Home/BMW/Z4/BMW Z4 E89 (2009-2013)/Repair manual/Manual & Power Steering/Steering and Wheel Alignment - Repair
Contents Wiring diagrams Section: Manual & Power Steering All sections

Steering and Wheel Alignment - Repair BMW Z4 E89

Manual & Power Steering 53 illustrations ~6433 words

32 00 620 Adjusting rear axle

Note. A camber change always means a toe change as well. The camber must therefore be adjusted first.

Adjusting camber

Replace nut (2) and tighten to 5 Nm.

Turn eccentric bolt (1) to adjust camber to setpoint value.

Tighten nut (2).

Tightening torque 33 32 3AZ .

Scheme 7

Scheme 7: 32 00 620 Adjusting rear axle

Adjusting toe

Slacken bolts of bearing block by approx. 1 to 1.5 turns.

Attach special tool 32 3 030 to bolt head and pin (1).

Turn special tool 32 3 030 to adjust toe to specified value.

Tighten down screws.

Tightening torque 33 32 2AZ .

Scheme 8

Scheme 8

32 00 610 Adjusting toe-in and camber on front axle

IMPORTANTChanges in axle geometry caused by accidents must under no circumstances be rectified by camber adjustment!

Note. Camber and toe-in influence each other. Adjust the toe-in first in order to simplify the adjustment procedure. The centering pin may only be driven or twisted out if the camber is outside the specified tolerance after toe adjustment.

Adjust toe-in

Move steering into straight-ahead position by means of markings on cap (1) and steering gear (2).

Align steering wheel centrally and secure with steering wheel arrester.

Scheme 9

Scheme 9

Clean thread on tie rod.

Loosen screw (2).

Turn tie rod (3) and if necessary grip tie rod end (1) to adjust toe-in to setpoint value.

Tighten down clamping nut (2).

Tightening torque 32 21 3AZ .

If necessary, correct installation position of gaiter.

Scheme 10

Scheme 10

Adjusting camber

Disassemble adjustment tool 32 3 140, recondition and fit with spindle 32 3 146.

  1. Previous version (consisting of 32 3 144 and 32 3 145)
  2. New version (consisting of 32 3 145, 32 3 146 and 32 3 147)

Scheme 11

Scheme 11

Remove protective cap.

Twist/drive out centering pin (1).

Clean wheel arch from below in area of support bearing with compressed air.

Slacken nut (2).

Scheme 12

Scheme 12

Insert special tool 32 3 140 into opening in wheel arch.

Note. The spindle 32 3 146 must be aligned in such a way that the short end of the guide sleeve (3) points upwards.

Screw knurled nut 32 3 147 onto stud.

Replace nuts (1) and screw on but do not tighten down fully.

Turn nut (2) of special tool 32 3 140 to adjust camber to setpoint value.

Tighten down nuts (1).

Tightening torque 31 31 1AZ .

Remove special tool 32 3 140.

Scheme 13

Scheme 13

Replace nut (1) and tighten down.

Tightening torque 31 31 1AZ .

Scheme 14

Scheme 14

After installation

  1. Check directional stability of vehicle, check steering wheel position; if necessary repeat toe-in adjustment

61 31 996 Carrying out steering angle sensor adjustment

Note. Steering angle sensor adjustment must be carried out: after adjustment work on the front axle/steering after all mechanical work on the steering system after disconnection of battery after replacement/coding/programming of the following components: Fixture for switches of steering column/switch cluster/steering angle sensor Dynamic Stability Control (DSC) control unit

Connect vehicle to BMW diagnosis system.

Select and carry out steering angle sensor adjustment under Service functions.

00 Danger of poisoning if oil is ingested/absorbed through the skin

Danger of poisoning!

Ingesting oil or absorbing through the skin may cause poisoning!

Possible symptoms are

  1. Headaches
  2. Dizziness
  3. Stomach aches
  4. Vomiting
  5. Diarrhoea
  6. Cramps/fits
  7. Unconsciousness

Protective measures/rules of conduct

  1. Pour oil only into appropriately marked containers
  2. Do not pour oil into drinking vessels (drinks bottles, glasses, cups or mugs)
  3. Observe country-specific safety regulations

First aid measures

  1. Do not induce vomiting. If the person affected is still conscious, he/she must rinse out their mouth with water, drink plenty of water and consult a doctor immediately. If the person affected is unconscious, do not administer anything by mouth, place the person in the recovery position and seek immediate medical attention.

Scheme 15

Scheme 15: 31 00... Front axle + steering: wheel/chassis alignment check must be carried out after the followin

A WHEEL/CHASSIS ALIGNMENT CHECK must be carried out after the following work

  1. Release of following screw/bolt connections: Steering gear to front axle carrier Control arm to front axle carrier Support bearing to body (if centering pin is missing) Tie rod end to tie rod
  2. Replacement of following parts: Front axle carrier Steering gear Gaiter (if the tie rod end has to be screwed off) Control arm Support bearing (only if centering pin is missing) Swivel bearing Tie rod end Tie rod

Scheme 16

Scheme 16: 32 00... General chassis and suspension definitions
  1. Toe
  2. Camber
  3. Caster (with 10° or 20° wheel lock)
  4. Toe angle difference (with 20° wheel lock)
  5. Wheel misalignment
  6. Camber
  7. Rear-wheel position
  8. Toe
  9. Geometrical driving axis

32 00... General information and definitions

Toe angle difference

a Toe difference angle

D Centre point of operating circle

The toe angle difference is the angle adjustment of the inner cornering wheel relative to the outer cornering wheel when negotiating a curve. Steering is designed in such a way that angular position of wheels changes as steering lock progresses.

A correctly adjusted toe angle difference produces equal values for left and right lock with consideration of factory tolerances.

Toe angle difference provides information on corresponding operation of steering trapezoid for left or right steering lock from center position.

Scheme 17

Scheme 17: 32 00... General information and definitions

Camber

Inclination of the wheel from the perpendicular.

Scheme 18

Scheme 18

Toe

Reduction in distance of front of front wheels to rear of front wheels. The toe-in prevents the wheels from moving apart during driving and thus

  1. the wheels from vibrating and grinding
  2. excessive tire wear
  3. excessive strain on the steering linkage and its links/joints
  4. heavy vehicle steering

Measurement is performed in "straight-ahead mode".

Scheme 19

Scheme 19

Castor

Is the inclination of the kingpin in the direction of travel viewed from the side. The line through the center point of the spring strut support bearing and the control arm ball joint corresponds to the "kingpin".

Thanks to caster, wheels are pulled and not pushed. In a similar manner to king pin inclination, when driving in curves or around corners, returning forces are reproduced to help return wheels to straight-ahead position.

Scheme 20

Scheme 20

Geometrical driving axis 1

Is the angle bisector from the total rear-wheel toe.

Front-wheel measurements are taken in reference to this axis.

Symmetrical axis 2

Centre line running through front and rear axles.

Scheme 21

Scheme 21

Wheel misalignment

Angle by which one front wheel is displaced more towards front or rear than the other front wheel. The wheel offset angle is positive when the right wheel is displaced towards the front and negative when it is displaced towards the rear.

Scheme 22

Scheme 22

Kingpin offset/scrub radius

Is the distance from the center of the wheel contact face to the intersection point of the kingpin extension. The line through the center point of the spring strut support bearing and the control arm ball joint corresponds to the "kingpin".

The scrub radius is influenced by camber, kingpin angle and wheel offset of the wheel rim.

Scheme 23

Scheme 23

Situation

In the event of accidents or driving conditions similar to accidents, shocklike loads can cause different types of damage to steering gears. When a steering gear is externally undamaged, it is sometimes only possible to identify damage with great difficulty and with great effort. However, damage of this nature poses an unacceptable risk to the vehicle because it can result in failure of the steering system.

Because of the disproportionate amount of effort involved, it is generally not sensible to check thoroughly all the individual components of the steering gear and as an alternative it is necessary to take into account other components which can be checked more easily.

Procedure

The steering gear must be replaced if one or more of the following points apply

  1. Visible or noticeable damage to the steering gear Version with electric steering gear (EPS): Examine in particular the control unit with all plug connections for damage and hairline cracks.
  2. Unacceptable torque increase and jamming when the steering gear is turned from lock to lock (without hydraulic/electrical assistance)
  3. Permissible tolerances exceeded during axle/wheel alignment (include alignment record with invoice/report if necessary)
  4. Fire damage
  5. Damage, permanent deformation or fractures to: Wheel rims in the event of a negative result from the wheel/axle alignment check Spring struts, steering knuckles, wheel carriers Control arms struts or diagonal members or stabilizers with this function Body-side screwing/bolting points for wheel guide/control components Front axle support Pitman arms Tie rods Steering gear fixtures Steering Column

This guideline is binding for all accident repairs to BMW and MINI vehicles.

Note. If the steering gear replacement work which is required for safety reasons is refused by the customer or an insurance company for cost reasons, a memorandum to that effect must be drawn up and countersigned by the party bearing the costs of the accident repair.

IMPORTANTThe vehicle's type approval will be invalidated whenever the function of any of its safety components is compromised!

32 00 155 KDS chassis/wheel alignment check with ride height measurement without vehicle load

Note. Read and comply with GENERAL INFORMATION AND DEFINITIONS . Read and comply with GENERAL CHASSIS DEFINITION . Check compliance with TEST CONDITIONS , repair vehicle if necessary.

  1. If necessary, prepare vehicle hoist.
  2. Drive vehicle onto vehicle hoist. NOTE: The front and rear wheels must be positioned centrally on the rotary and sliding plates.
  3. Remove locking pins from both rotary and sliding plates.

Scheme 24

Scheme 24
IMPORTANTOnly use quick-clamping holders with polycontrol pins (1). Other quick-clamping holders are not permitted because of the inaccuracy of measurement!

Scheme 25

Scheme 25

Scheme 26

Scheme 26

Scheme 27

Scheme 27
  1. Attach quick-clamping holder to vehicle and remove clamping levers in area of front wheels
  2. Attach pickup to quick-clamping holder, align using bubble level and connect to turntables
  3. If necessary, attach spoiler adapter. If necessary, switch on chassis alignment system. Enter customer and vehicle data Identify chassis and suspension version (standard/VDC suspension) and select vehicle Enter tire inflation pressure and tread depth Measure and enter «VEHICLE RIDE HEIGHT»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__31-33-095-measure-vehicle-ride) Install brake tensioner.

Scheme 28

Scheme 28
IMPORTANTRisk of damage! In order to avoid damaging the front side panel during the "Max. steering angle" drive-in routine, make sure the pickups are removed from the quick-clamping holders/quick-clamping units during output and input alignment. In the process do not detach the connecting cable from the pickups or the rotary plates.

Note. After the drive-in routine, reconnect the pickups to the quick-clamping holders/quick-clamping units, align using the bubble levels and secure in place.

  1. Perform input measurement in accordance with equipment manufacturer's instructions.
  2. Compare nominal values See «WHEEL ALIGNMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-technical-data) or «WHEEL ALIGNMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-technical-data) with actual values.

Only in event of customer complaint (e.g. poor driving performance)

IMPORTANTDo not remove screws/bolts (front axle support to engine support or body)!

Slacken all screws/bolts (front axle support to engine support or body) and then retighten to specified torque.

If necessary, adjust front axle and rear axle See 3200620 ADJUSTING REAR AXLE or 3200610 ADJUSTING TOE-IN AND CAMBER ON FRONT AXLE

  1. Perform output measurement in accordance with equipment manufacturer's instructions.
  2. Save and print out test record.
  3. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)
  4. Insert locking pins into both rotary and sliding plates
  5. Remove chassis/wheel alignment system
  6. Drive vehicle off vehicle hoist

32 00 150 KDS chassis/wheel alignment check with vehicle load up to design position

Note. Read and comply with GENERAL INFORMATION AND DEFINITIONS . Read and comply with GENERAL CHASSIS DEFINITION .

  1. If necessary, prepare vehicle hoist.
  2. Drive vehicle onto vehicle hoist.

Note. The front and rear wheels must be positioned centrally on the rotary and sliding plates.

  1. Remove locking pins from both rotary and sliding plates.
IMPORTANTUse quick-clamping holders with poly control arm bushings (1) only. Due to excessive measuring inaccuracy, other quick-clamping units without poly control arm bushings are not permitted!
  1. Attach quick-clamping holder to vehicle and remove clamping levers in area of front wheels
  2. Attach pickup to quick-clamping holder, align using bubble level and connect to turntables
  3. If necessary, attach spoiler adapter.
  4. If necessary, switch on chassis alignment system.
  5. Enter customer and vehicle data
  6. Identify chassis/suspension version (standard suspension/VDC suspension) and select vehicle
  7. Enter tire inflation pressure and tread depth
  8. Move «VEHICLE INTO DESIGN POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-moving-vehicle-into-design)
  9. Install brake tensioner.
IMPORTANTRisk of damage! In order to avoid damaging the front side panel during the "Max. steering angle" drive-in routine, make sure the pickups are removed from the quick-clamping holders/quick-clamping units during output and input alignment. In the process do not detach the connecting cable from the pickups or the rotary plates.

Note. After the drive-in routine, reconnect the pickups to the quick-clamping holders/quick-clamping units, align using the bubble levels and secure in place.

  1. Perform input measurement in accordance with equipment manufacturer's instructions.
  2. Compare nominal values See «WHEEL ALIGNMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-technical-data) or «WHEEL ALIGNMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-technical-data) with actual values.

Only in event of customer complaint (e.g. poor driveability)

IMPORTANTDo not remove screws/bolts (front axle support to engine support or body)!

Slacken all screws/bolts (front axle support to engine support or body) and then retighten to specified torque.

If necessary, adjust front axle and rear axle See 3200620 ADJUSTING REAR AXLE or 3200610 ADJUSTING TOE-IN AND CAMBER ON FRONT AXLE

  1. Perform output measurement in accordance with equipment manufacturer's instructions.
  2. Save and print out test record.
  3. Insert locking pins into both rotary and sliding plates
  4. Remove chassis/wheel alignment system
  5. Drive vehicle off vehicle hoist

32 00... Moving vehicle into design position

Necessary preliminary tasks

  1. Move «VEHICLE INTO NORMAL POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-moving-vehicle-into-normal)
  1. Add/distribute weights in area of spring struts until the vehicle ride height is within the tolerance (refer to Technical Data See «REAR AXLE - RIDE HEIGHT E89»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#rear-axle-technical-data) or «FRONT AXLE - RIDE HEIGHT E89»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-technical-data) ). Measure ride-level height of vehicle See «3353... MEASURING RIDE HEIGHT OF VEHICLE (REAR AXLE)»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#rear-axle-repair__33-53-measuring-ride-height-of) or «3133095 MEASURE VEHICLE RIDE HEIGHT, FRONT AXLE»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__31-33-095-measure-vehicle-ride)

32 00... Moving vehicle into normal position

Necessary preliminary tasks

  1. Check compliance with «TEST CONDITIONS»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-test-conditions-for-chassiswheel) , bring vehicle to a stop if necessary.
  1. Check vehicle interior and luggage compartment (incl. luggage compartment recess) for load, unload vehicle if necessary
  2. Introduce DIN load (refer to «TECHNICAL DATA»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-technical-data) ) into vehicle

32 00... Performing rim runout compensation

Note. Rim runout compensation involves electronically recording the lateral runout of the rim and the possible clamping error of the quick-clamping unit for one wheel rotation and compensating the toe and camber for measurement/alignment.

Raise body.

Perform rim runout compensation in accordance with equipment manufacturer's instructions.

Compress/deflect car.

00...... Raising vehicle with trolley jack

IMPORTANTObserve the following trolley-jack-related instructions: Use only BMW-distributed/approved trolley jacks which have rubber plate contact points. Trolley jacks must be regularly serviced and always checked for functional reliability before they are used! Check the rubber plate on the trolley jack prior to each use, replacing if necessary.

Scheme 29

Scheme 29
WARNINGThe vehicle may be raised with a trolley jack only at the following jacking points!
  1. Car jacking point
  2. Side car jacking points
  3. Rear differential ( «REMOVE HEAT SHIELD»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#rear-axle-repair__51-71-390-removing-and-installingreplacing) ) Risk of damage: It is not permitted to raise the vehicle at the rear differential cover!
  4. Bolting point for rear axle tension struts

Scheme 30

Scheme 30

Scheme 31

Scheme 31: 33 00... Rear axle: wheel/chassis alignment check must be carried out after the following work

A WHEEL/CHASSIS ALIGNMENT CHECK must be carried out after the following work

  1. Release of following screw/bolt connections: Bearing block to trailing arm/body Upper control arm to trailing arm Lower control arm to trailing arm
  2. Replacement of following parts: Rear axle carrier Lower control arm Trailing arm/rubber mount/bearing block Upper control arm

00 Risk of injury if oil comes into contact with eyes and skin

Danger of injury!

Contact with eyes or skin may result in injury!

Possible symptoms are

  1. Impaired sight
  2. Irritation of the eyes
  3. Reddening of the skin
  4. Rough and cracked skin
  1. Wear protective goggles
  2. Wear oil-resistant protective gloves
  3. Observe country-specific safety regulations
  1. Eye contact: Rinse eyes immediately with plenty of water for at least 15 minutes; if available, use an eye-rinsing bottle. If irritation of the eyes persists, consult a doctor.
  2. Skin contact: Wash off with soap and water immediately. If irritation persists, consult a doctor. NOTE: Do not use solvents/thinners.

Risk of injury!

Contact with eyes or skin may result in injury!

Possible symptoms are

  1. Impaired sight
  2. Irritation of the eyes
  3. Reddening of the skin
  4. Rough and cracked skin
  1. Wear protective goggles
  2. Wear oil-resistant protective gloves
  3. Observe country-specific safety regulations
  1. Eye contact: Rinse eyes immediately with plenty of water for at least 15 minutes; if available, use an eye-rinsing bottle. If irritation of the eyes persists, consult a doctor.
  2. Skin contact: Wash off with soap and water immediately. If irritation persists, consult a doctor. NOTE: Do not use solvents/thinners.

00 Safety information for working on vehicles with automatic engine start-stop function (MSA)

WARNINGIf the engine hood/bonnet contact is pulled upwards (workshop mode), the information "switch closed" is output. The automatic engine start-stop function is active. An automatic engine start is possible.

Observe safety precautions when working on MSA vehicles

Before carrying out practical work on the engine, always ensure that the MSA functionality is deactivated so as to prevent automatic engine starting while work is being carried out in the engine compartment.

Scheme 32

Scheme 32: MSA function is deactivated by
  1. Deactivate MSA by means of button (1) in passenger compartment
  2. Open seat belt buckle and driver's door
  3. Open engine bonnet/hood and ensure that engine hood/bonnet contact is not in workshop mode
  4. Workshop mode A = 10 mm
  5. Basic setting (engine hood/bonnet open) B = 7 mm

To make sure that the engine hood/bonnet contact is at the basic setting, if necessary press the hood/bonnet contact up to the limit position before starting work and slowly release.

Scheme 33

Scheme 33

When working with diagnosis tools

  1. Observe instructions in diagnosis tool

00 Safety instructions for handling oil

WARNINGDANGER OF POISONING if oil is ingested/absorbed through the skin! RISK OF INJURY if oil comes into contact with eyes and skin!

Recycling

Observe country-specific waste-disposal regulations.

Measures if oil is unintentionally released

  1. Personal precautionary measures: Danger of slipping! Keep non-involved persons away from the work area. Wear personal protective clothing/equipment.
  2. Environmental protection measures: Prevent oil from draining into drain channels, sewerage systems, pits, cellars, water and the ground.
  3. Limiting spread: Use oil blocks to prevent the surface spread of oil.
  4. Cleaning procedure: Bind and dispose of escaped oil with nonflammable absorbents. NOTE: Do not flush oil away with water or aqueous cleaning agents.

32 00... Test conditions for chassis/wheel alignment check

Observe the following test conditions prior to the chassis/wheel alignment check

  1. Correct and identical rim and tire sizes.
  2. Correct tread depth. The tread depth for each axle may differ from left to right by max. 1-2 mm.
  3. Correct tire inflation pressure (see instruction plate on car).
  4. Wheel bearing clearance OK
  5. Steering backlash OK
  6. Condition of suspension and shock absorbers OK: Visually inspect for breakage, etc.
  7. Cars with ride level control: Pull fuse of air supply unit so that there is no controlling down or up.

In the event of accidents or driving conditions similar to accidents, shocklike loads can cause different types of damage to steering gears. When a steering gear is externally undamaged, it is sometimes only possible to identify damage with great difficulty and with great effort. However, damage of this nature poses an unacceptable risk to the vehicle because it can result in failure of the steering system.

Because of the disproportionate amount of effort involved, it is generally not sensible to check thoroughly all the individual components of the steering gear and as an alternative it is necessary to take into account other components which can be checked more easily.

The steering gear must be replaced if one or more of the following points apply

  1. Visible or noticeable damage to the steering gear Version with electric steering gear (EPS): Examine in particular the control unit with all plug connections for damage and hairline cracks.
  2. Unacceptable torque increase and jamming when the steering gear is turned from lock to lock (without hydraulic/electrical assistance)
  3. Permissible tolerances exceeded during axle/wheel alignment (include alignment record with invoice/report if necessary)
  4. Fire damage
  5. Damage, permanent deformation or fractures to: Wheel rims in the event of a negative result from the wheel/axle alignment check Spring struts, steering knuckles, wheel carriers Control arms struts or diagonal members or stabilizers with this function Body-side screwing/bolting points for wheel guide/control components Front axle support Pitman arms Tie rods Steering gear fixtures Steering Column

This guideline is binding for all accident repairs to BMW and MINI vehicles.

Note. If the steering gear replacement work which is required for safety reasons is refused by the customer or an insurance company for cost reasons, a memorandum to that effect must be drawn up and countersigned by the party bearing the costs of the accident repair.

IMPORTANTThe vehicle's type approval will be invalidated whenever the function of any of its safety components is compromised!

32 11 100 Replacing gaiter for steering gear on left or right

IMPORTANTThe power steering gear must be replaced if the polished surface of the rack is damaged (e.g. by corrosion)!

Necessary preliminary tasks

  1. Remove front «UNDERBODY PROTECTION»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__51-47-490-removing-and-installingreplacing)

Release band clamp (1).

Mark screw-in depth of tie rod (2) or count thread turns.

Release screw (3).

Tightening torque 32 21 3AZ .

Twist tie rod (2) out of tie rod end (4).

Installation

Replace microencapsulated screw.

Scheme 34

Scheme 34

Release EAR CLAMP (1).

Detach gaiter (2) from tie rod (3).

Installation

Clean rack and check surface for damage (e.g. by corrosion).

Grease rack (refer to STEERING AND WHEEL ALIGNMENT - OPERATING FLUIDS ).

Clean tie rod and apply grease to taper. This ensures that the gaiter is not rotated when the tie rod is rotated.

Scheme 35

Scheme 35

After installation

  1. Perform chassis alignment check See «3200150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-150-kds-chassiswheel-alignment) or «3200155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-155-kds-chassiswheel-alignment)
  2. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

In the event of accidents or driving conditions similar to accidents, shocklike loads can cause different types of damage to steering gears. When a steering gear is externally undamaged, it is sometimes only possible to identify damage with great difficulty and with great effort. However, damage of this nature poses an unacceptable risk to the vehicle because it can result in failure of the steering system.

Because of the disproportionate amount of effort involved, it is generally not sensible to check thoroughly all the individual components of the steering gear and as an alternative it is necessary to take into account other components which can be checked more easily.

The steering gear must be replaced if one or more of the following points apply

  1. Visible or noticeable damage to the steering gear Version with electric steering gear (EPS): Examine in particular the control unit with all plug connections for damage and hairline cracks.
  2. Unacceptable torque increase and jamming when the steering gear is turned from lock to lock (without hydraulic/electrical assistance)
  3. Permissible tolerances exceeded during axle/wheel alignment (include alignment record with invoice/report if necessary)
  4. Fire damage
  5. Damage, permanent deformation or fractures to: Wheel rims in the event of a negative result from the wheel/axle alignment check Spring struts, steering knuckles, wheel carriers Control arms struts or diagonal members or stabilizers with this function Body-side screwing/bolting points for wheel guide/control components Front axle support Pitman arms Tie rods Steering gear fixtures Steering Column

This guideline is binding for all accident repairs to BMW and MINI vehicles.

Note. If the steering gear replacement work which is required for safety reasons is refused by the customer or an insurance company for cost reasons, a memorandum to that effect must be drawn up and countersigned by the party bearing the costs of the accident repair.

IMPORTANTThe vehicle's type approval will be invalidated whenever the function of any of its safety components is compromised!

32 13 070 Removing and installing (replacing) electric steering gear (EPS)

IMPORTANTSteering gear: Check connection of steering gear for corrosion, clean contacts if necessary. The steering gear must be replaced if the corrosion is too far advanced. Connecting cable: In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting cable. If the insulation reveals any noticeable/striking features, it will be necessary to replace the part. Otherwise it will be sufficient to replace the contacts or plug housing.

Note. In a warranty case, a fault memory printout must be included with the defective part.

Necessary preliminary tasks

  1. Disconnect «BATTERY NEGATIVE LEAD»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-20-900-disconnecting-and-connecting) NOTE: High-current-carrying lead laid with permanent positive connection (80 A fuse protection).
  2. Remove «FRONT UNDERBODY PROTECTION»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__51-47-490-removing-and-installingreplacing)
  3. Remove «V-STRUT ON LEFT AND RIGHT»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__51-61-011-removing-and-installingreplacing)
  4. Remove «LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-070-removing-and-installingreplacing)
  5. Remove both «TIE ROD ENDS FROM SWIVEL BEARING»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-21-151-replacing-left-or)
  6. Replacement: Remove «BOTH TIE ROD ENDS FROM STEERING GEAR»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-21-151-replacing-left-or)

Release cable holder (1) on steering gear.

Unlock plug connections (2) and disconnect.

Installation

Check plug connections for moisture and corrosion. To do so, read and follow notes/information at the start of the document.

Make sure wiring harnesses are laid correctly.

Plug connections must audibly snap into place.

Scheme 36

Scheme 36

Release nuts and remove screws (1) towards bottom.

Remove steering gear (2) towards front.

Installation

Replace screws and nuts.

Tightening torque 32 00 1AZ .

Scheme 37

Scheme 37

After installation

  1. Teach in «END STOP SOFTWARE»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-10-teaching-in-end-stop)
  2. Perform chassis alignment check See «3200150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-150-kds-chassiswheel-alignment) or «3200155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-155-kds-chassiswheel-alignment)
  3. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 10... Teaching in end stop software for electric steering gear (EPS)

Note. The end stop software must be taught in: after the steering gear is replaced after programming/coding

Connect vehicle to BMW diagnosis system.

Select and perform end stop under Service functions.

32 41... Instructions for removing and installing ear clips

Note. The work steps are show on assorted components. Ear clip must always be replaced.

To remove an ear clip, place special tool 32 1 260 at right angles to ear and cut ear open.

Scheme 38

Scheme 38: 32 41... Instructions for removing and installing ear clips

The ear clip can be fitted not only axially but also radially after the hook fastener has been opened.

Scheme 39

Scheme 39

Attach hook fastener and press ear together with special tool 32 1 260.

Scheme 40

Scheme 40

Side cutter of special tool 32 1 260 can be used in areas which are difficult to access.

Scheme 41

Scheme 41
IMPORTANTGap (A) max. 1 mm!

Scheme 42

Scheme 42

32 21 231 Replacing (removing and installing) left or right tie rod

IMPORTANTThe steering gear must be replaced if the polished surface of the rack is damaged (e.g. by corrosion)!

Necessary preliminary tasks

  1. Remove «TIE ROD END FROM SWIVEL BEARING»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-21-151-replacing-left-or)
  2. Remove «GAITER FROM STEERING GEAR»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-11-100-replacing-gaiter-for) and slide back
IMPORTANTTo avoid damage to rack and to suspension mounting, move rack in as far as possible.

Release joint (1) with special tool 32 3 160 on steering gear rack.

Tightening torque 32 21 1AZ .

Installation

Clean rack.

Check surface of rack for damage (e.g. corrosion).

Lightly grease rack (refer to STEERING AND WHEEL ALIGNMENT - OPERATING FLUIDS ).

Scheme 43

Scheme 43

On replacement, assemble new part with gaiter

  1. Determine measurement (A) to simplify following adjustment of front axle

Installation

Slacken clamping screw (1) and screw off tie rod end.

Tightening torque 32 21 3AZ .

Slide gaiter with ear clip and band clamp on tie rod.

Screw in tie rod end to measurement (A).

Scheme 44

Scheme 44

After installation

  1. Only if replacing/removing tie rod end: Perform chassis alignment check See «3200150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-150-kds-chassiswheel-alignment) or «3200155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-155-kds-chassiswheel-alignment)
  2. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 21 151 Replacing left or right tie rod

Note. If the tie rod end to tie rod screw/bolt connection is released, it is necessary after reinstallation to carry out a wheel/chassis alignment check.

Release nut (1); if necessary, grip at Torx socket.

Tightening torque 32 21 2AZ .

Remove tie rod end (2) from swivel bearing.

Installation

Keep tie rod end to swivel bearing connection clean and free from oil and grease.

Replace self-locking nut.

Scheme 45

Scheme 45: 32 21 151 Replacing left or right tie rod

Determine measurement (A) to simplify following adjustment of front axle.

Release bolt (1).

Tightening torque 32 21 3AZ .

Screw off tie rod end; if necessary, grip tie rod with open-end wrench.

Installation

Check GAITER for damage, replace if necessary.

Screw tie rod end onto tie rod to measurement (A).

After installation

  1. Perform chassis alignment check See «3200150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-150-kds-chassiswheel-alignment) or «3200155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-00-155-kds-chassiswheel-alignment)
  2. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 31 020 Removing and installing/replacing lower section of steering column trim

Necessary preliminary tasks

  1. Remove upper section of «STEERING COLUMN TRIM»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-003-removing-and-installingreplacing)

Press detent lugs outwards a little and unclip steering column trim downwards.

Installation

Align steering column trim by means of detent lugs to steering column and press up as far as it will go.

Press steering column trim on both sides together a little and then press upwards completely until detent lugs snap into place.

Check installation position, correct if necessary.

Scheme 46

Scheme 46

32 31 070 Removing and installing/replacing lower section of steering spindle

Necessary preliminary tasks

N52K engine

  1. Remove «INTAKE FILTER HOUSING»(/bmw/z4/e89-2009-2013/remont/fuel-system/#fuel-system-repair-n52__13-71-000-removing-and-installingreplacing)
IMPORTANTIf the lower section of the steering spindle is separated from the steering gear/steering column, the steering-column switch cluster may be damaged when the steering wheel is turned.

Release clamping screw (1).

Return steering to straight-ahead drive setting and remove ignition key.

Detach lower section of steering spindle from steering gear.

Installation

Clean thread to remove all remnants of screw securing adhesive.

Replace clamping screw.

Lower section of steering spindle can only be attached in one position to the steering gear.

Tightening torque 32 31 1AZ .

Scheme 47

Scheme 47

Release clamping screw (1).

Detach steering spindle upper section from steering column.

Installation

Clean thread to remove all remnants of screw securing adhesive.

Replace clamping screw.

Clamping screw must rest in groove of steering column.

Tightening torque 32 31 2AZ .

Scheme 48

Scheme 48

After installation

  1. Turn steering wheel in both directions to full lock. The airbag warning lamp must not light up in the process.
  2. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)
  3. Check directional stability of car

32 31 082 Removing and installing/replacing steering angle sensor

Note. Steering angle sensor is integrated in STEERING-COLUMN SWITCH CLUSTER .

After installation

  1. Replacement only: Carry out programming/coding
  2. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 31 090 Removing and installing/replacing steering column

Necessary preliminary tasks

  1. Remove «STEERING WHEEL»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-33-010-removing-and-installingreplacing)
  2. Remove steering column trims . See «3231020 REMOVING AND INSTALLING/REPLACING LOWER SECTION OF STEERING COLUMN TRIM»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-020-removing-and-installingreplacing) or «3231003 REMOVING AND INSTALLING/REPLACING UPPER SECTION OF STEERING COLUMN TRIM»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-003-removing-and-installingreplacing)
  3. Remove «PANEL»(ref-381258-S24808505562010122800000) for pedal assembly
  4. Release «STEERING SPINDLE»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-070-removing-and-installingreplacing) from steering column (in engine compartment)
  5. Disconnect plug connection on electric steering column lock
  6. Remove wiring harnesses from steering column

Secure steering column against falling out.

Release screws (1).

Tightening torque 32 31 3AZ .

Remove steering column towards rear.

Installation

Check steering column sleeve.

Scheme 49

Scheme 49

Replacement

  1. Modify «STEERING-COLUMN SWITCH CLUSTER»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-31-008-removing-and-installingreplacing)

After installation

  1. Replacement: Lock and unlock electric steering column lock and clear fault memory in Car Access System (CAS)
  2. Replacement: Turn steering wheel in both directions to full lock. The airbag warning lamp must not light up in the process.
  3. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 31 003 Removing and installing/replacing upper section of steering column trim

Move steering column into "lower" and "extended" position.

Lever out upper section of steering column trim (1) with special tool 51 1 110 in direction of arrow towards top.

Scheme 50

Scheme 50: 32 31 003 Removing and installing/replacing upper section of steering column trim

Tilt steering column trim (1) towards front.

Unclip steering column gap cover (2) from steering column trim.

Installation

Tilt steering column trim towards rear, align by way of lock to lower section (of steering column trim) and press down.

Scheme 51

Scheme 51

Tilt steering column trim forwards.

Unclip gap cover from steering column trim.

Scheme 52

Scheme 52

32 31 241 Replacing adjusting lever for steering column

Necessary preliminary tasks

  1. Remove «STEERING COLUMN»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-090-removing-and-installingreplacing)

If necessary, remove cable duct from steering column.

Unclip adjusting lever.

Installation

Align adjusting lever to steering column and attach straight to prevent the locks from being damaged.

Check locks after attachment, replace adjusting lever if necessary.

Scheme 53

Scheme 53

32 31 102 Replacing steering spindle sleeve

Necessary preliminary tasks

  1. Release «STEERING SPINDLE»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-31-070-removing-and-installingreplacing) from steering column (in engine compartment)
  2. Put steering column in position "top" and "expanded"
  3. Remove «PANEL FOR PEDAL ASSEMBLY»(ref-381258-S24808505562010122800000)

Press release (1) downwards and remove sleeve.

Installation

First feed sleeve at top into guide and clip into place at bottom.

Sleeve must snap audibly into place!

Scheme 54

Scheme 54

After installation

  1. Carry out «STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__61-31-996-carrying-out-steering)

32 33 010 Removing and installing/replacing sport steering wheel

Note. Wheel/chassis alignment is not necessary after the steering wheel has been removed and installed or replaced.

Necessary preliminary tasks

  1. Remove «AIRBAG UNIT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-34-030-removing-and-installingreplacing)

Move wheels/steering wheel into straight-ahead position.

Unlock plug connections (1) and (2) and disconnect.

Release screw (3) and remove steering wheel.

Installation

Make sure connecting lead(s) is/are correctly laid.

Tightening torque 32 33 1AZ .

Scheme 55

Scheme 55

Installation

Align steering wheel using markings (arrows) to steering column and attach.

Scheme 56

Scheme 56

Replacement

  1. If necessary, modify «SHIFT PADDLES»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-31-113-removing-and-installingreplacing)
  2. If necessary, modify «MULTIFUNCTION STEERING WHEEL SWITCH»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-31-229-removing-and-installingreplacing)

32 33... Replacing spoke covers for steering wheel

Necessary preliminary tasks

  1. Remove «AIRBAG UNIT»(/bmw/z4/e89-2009-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair__32-34-030-removing-and-installingreplacing)

Release screws (1) and unclip spoke covers towards top.

Installation

Make sure connecting cables are correctly routed.

Check installation position of spoke covers, correct if necessary.

Scheme 57

Scheme 57

72 12... Procedure after airbag triggering as result of an accident

Check and/or replace following components after airbag triggering

Satellites (control unit + sensor)

  1. Components Satellite, A-/B-pillar, left/right Satellite, front door Satellite, rear seat Satellite, driver's/front passenger seat Satellite, vehicle center
  2. Procedure Inspect visually for mechanical damage Read fault memory Disconnect battery and observe waiting period Rectify faults Connect battery and observe waiting period (at least 10 seconds) Delete fault memory Turn off ignition and wait at least 2 minutes (no consumers may be switched on during this period such as e.g. inside lights, radio, etc.) Switch on ignition (wait at least 10 seconds) Clear fault memory and if necessary rectify faults

Cables and plugs

  1. Components and procedure Check cables and plugs for damage, replace if necessary. (e. g. corrosion, correct engagement, bent pin)

Belt system

  1. Components Retractor mechanism Belt buckle tensioner Seatbelt height adjustment Anchor fitting tensioner
  2. Procedure Check components, replace if necessary

Seats

  1. Components Seat Airbag module Active head restraint
  2. Procedure Check seats (function check of seat mechanism), replace if necessary Check seat screw/bolt connections Replace gas generator, active head restraint system If the severity of the impact has not caused any other damage to the seat, only the triggered gas generator needs to be replaced. External feature: The triggered head restraint is folded forwards and engaged. The repair work can be carried out in the car with the rear panel removed. The entire system can be pushed back into its original position and the new gas generator installed. The gas generator can be replaced up to 5 times. Replace airbag module and, if necessary, seat cover with padding

Driver's airbag

  1. Components Airbag module Steering Wheel Steering column (if damaged)
  2. Procedure Replace faulty components Replace steering wheel

Front-passenger airbag

  1. Components Airbag module Trim, instrument panel Supporting tube (if damaged)
  2. Procedure Check components; replace if necessary

Side airbag, front/rear

  1. Components Airbag module Door panel Door in white Seat
  2. Procedure Check components; replace if necessary

Head airbag

  1. Components Airbag module Trim, A-pillar Roofliner Trim, B-pillar (if damaged) Trim, C-pillar (if damaged) Connection/mounting (on side frame)
  2. Procedure Check components; replace if necessary

Knee airbag

  1. Components Panel (driver's side) Lower section of glovebox Active knee protector (driver's and passenger sides)
  2. Procedure Replace faulty components

Passive knee protector

  1. Components Trim panels (driver's side) Glovebox incl. knee protector (passenger side)
  2. Procedure Replace faulty components Check fastening elements

32 34 030 Removing and installing/replacing airbag unit

WARNINGObserve the following instructions to avoid any risk of injury by the airbag unit. Comply with SAFETY REGULATIONS for handling components with gas generators. Do not exert any force on the airbag unit. Use only specified tools for releasing the airbag unit.

Note. Incorrect handling may result in triggering of the airbag unit and thereby cause serious injury.

IMPORTANTSTEERING WHEEL must be replaced if airbag unit has been triggered! Follow PROCEDURE AFTER AIRBAG TRIGGERING .

Necessary preliminary tasks

  1. Disconnect «BATTERY NEGATIVE LEAD»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-20-900-disconnecting-and-connecting)
  2. If necessary, remove «SHIFT PADDLES»(/bmw/z4/e89-2009-2013/remont/horns/#general-electrical-system-repair__61-31-113-removing-and-installingreplacing) (TCT/automatic transmission)

Slide T20 Torx screwdriver (1) from below vertically into concealed opening on reverse side of steering wheel up to stop (2).

Press Torx screwdriver in direction of arrow outwards in order to press spring clip (3) inwards and to release airbag unit.

Repeat procedure on other side.

Installation

Make sure electrical leads are correctly positioned.

Snap airbag unit with uniform pressing force plane-parallel in direction of steering column shaft into steering wheel.

Scheme 58

Scheme 58
WARNINGRisk of injury! Airbag unit may only be set down with the airbag itself facing upwards.

Tilt airbag unit forwards.

Disconnect plug connection (1) and remove airbag unit.

Installation

Connect plugs to connections of same color on airbag unit.

Scheme 59

Scheme 59

72 00... Safety regulations for handling components with gas generators

It is essential to comply with the regulations as specified in the law relating to the use of explosives when working on airbag units and seat belt tensioners.

Airbags, seat belt tensioners etc. are pyrotechnical objects. Pyrotechnical objects are assigned to different danger classes on the basis of the quantity of propellant that they contain. The assignment can be ascertained from the identification marking on the product

IMPORTANTFailure to comply with the warning notices and repair instructions for gas generator components can cause accidental deployment and result in injury and vehicle damage!

This applies in particular to the following components

  1. Airbag modules (driver's/front passenger airbags, side airbags)
  2. Buckle/belt tensioner
  3. Head airbag
  4. Active knee protection
  5. Active head restraint
  6. Safety battery terminal

1. Regulations

The regulations quoted in the following refer to the Federal Republic of Germany.

In all other countries, the relevant legislation and regulations must be observed in each case. Country-specific legal regulations that go beyond this information or court decisions based thereon must be followed in each case or given precedence over these regulations.

The following components used by BMW

  1. Pyrotechnical restraint systems are subject to danger class PT1
  2. Gas generators are pyrotechnical objects belonging to danger class T1.

Handling, transporting and storing non-fired gas generators are subject to the "Explosive Materials Act".

The relevant trade supervisory authority must be notified at least 2 weeks before pyrotechnical objects are handled for the first time. Here the relevant authority must be notified in writing of the person responsible (e.g. dealership owner, holder of general power of attorney or if necessary workshop supervisor). A certificate of qualification, i.e. specific training, is not required for the person responsible.

2. Disassembly and assembly

  1. Inspection, testing and installation work may only be carried out by expert trained personnel in BMW Service.
  2. Work on components of the airbag system should only ever be carried out with the battery disconnected, the negative terminal post covered and the plug connection of the cable leading to the gas generator disconnected. If only the battery is disconnected, the following prescribed waiting period must be observed without fail: 30 minutes for vehicles up to 9/93; 1 minute for vehicles from 9/93
  3. In the event of breaks in work, a component with a gas generator that has been removed must be secured against access by other persons.
  4. Individual components must never be repaired. Instead, always replace them.
  5. Do not treat airbag system components with cleaning agents or grease.
  6. Components of the airbag system must not be exposed to temperatures in excess of 75 °C.
  7. Airbag system components, including electronic diagnostic components, which have been dropped from heights in excess of 0.5 m must not be reinstalled in the vehicles.
  8. Before installing, subject components such as housing, connector pins etc. (including electronic diagnostic components) to a visual inspection for damage and replace if necessary.
  9. Airbag system components may only be electrically tested while they are installed and only with the BMW ISTA.
  10. Danger of injury: The airbag module may only be set down with the airbag itself facing upwards. Otherwise the generator will be thrown upwards if it is fired.
  11. Do not point the firing pellet of a gas generator at other persons.
  12. Components with gas generators must not be fired while they are removed. They must be disposed of by special disposal companies or returned to BMW in the packaging of the new components.
  13. When carrying out straightening and welding work with an electric welder: Disconnect battery Cover negative terminal (post)
  14. Avoid all contact with the skin when removing a fired airbag module - wear gloves. Wash with water after contact with the skin.

3. Transport

  1. Components with gas generators must be sent off in the packaging of the new components.

4. Storage

  1. Observe the regulations of the relevant trade supervisory authority and the applicable national regulations.

Note. The work steps are shown on assorted components. Ear clip must always be replaced.

To remove an ear clip, place special tool 32 1 260 at right angles to ear and cut ear open.

The ear clip can be fitted not only axially but also radially after the hook fastener has been opened.

Attach hook fastener and press ear together with special tool 32 1 260.

Side cutter of special tool 32 1 260 can be used in areas which are difficult to access.

IMPORTANTGap (A) max. 1 mm!

See also:
33 32 3AZ
32 21 3AZ
31 31 1AZ
VEHICLE RIDE HEIGHT
WHEEL ALIGNMENT
LOWERING FRONT AXLE SUPPORT
REAR AXLE - RIDE HEIGHT E89
FRONT AXLE - RIDE HEIGHT E89
3353... MEASURING RIDE HEIGHT OF VEHICLE (REAR AXLE)
REMOVE HEAT SHIELD
UNDERBODY PROTECTION
BATTERY NEGATIVE LEAD
V-STRUT ON LEFT AND RIGHT
INTAKE FILTER HOUSING
STEERING-COLUMN SWITCH CLUSTER
SHIFT PADDLES
MULTIFUNCTION STEERING WHEEL SWITCH
WHEEL/CHASSIS ALIGNMENT CHECK
GENERAL INFORMATION AND DEFINITIONS
GENERAL CHASSIS DEFINITION
TEST CONDITIONS
3200620 ADJUSTING REAR AXLE
3200610 ADJUSTING TOE-IN AND CAMBER ON FRONT AXLE
STEERING ANGLE SENSOR ADJUSTMENT
VEHICLE INTO DESIGN POSITION
VEHICLE INTO NORMAL POSITION
DANGER OF POISONING
RISK OF INJURY
EAR CLAMP
3200150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION
LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR
TIE ROD ENDS FROM SWIVEL BEARING
END STOP SOFTWARE
GAITER FROM STEERING GEAR
STEERING COLUMN TRIM
STEERING WHEEL
3231020 REMOVING AND INSTALLING/REPLACING LOWER SECTION OF STEERING COLUMN TRIM
STEERING COLUMN
AIRBAG UNIT
SAFETY REGULATIONS
PROCEDURE AFTER AIRBAG TRIGGERING