Integrated Suspension Systems - Repair BMW Z4 E89

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.

64 00 000 Information on using cleaning agent/paints (personal protection equipment)

First Aid

1. If product comes in contact with eyes, immediately flush with running water for about 10 - 15 minutes. Seek the advice of eye specialist.
2. In the event of skin contact and where applicable an allergic skin reaction, clean the affected areas immediately with soap and water and then apply silicone-free skin cream. Seek advice of physician.
3. If an adhesive product is swallowed, rinse mouth/parts of mouth thoroughly with running water. Drink 1-2 glasses of water. Do not induce vomiting. Consult a doctor.
4. After inhaling vapours ensure ample supply of fresh air. Keep calm, keep respiratory tracks clear and call doctor.

Recycling

Dispose of cleaning agents/paints in a professional manner!

Observe national/country-specific disposal regulations.

Scheme 1

Safety instructions&general information Deactivate/activate air spring system

Bleed/fill pressure accumulator

Carry out ride height adjustment

1. Air suspension strut, front left and right
2. Ride height sensor, front left and right
3. Vertical Dynamics Management (VDM) control unit
4. Air suspension strut, rear left and right
5. Relay, air supply unit
6. Electronic ride-height control (EHC) control unit
7. Pressure accumulator for air suspension
8. Air supply system with solenoid valve manifold
9. Ride height sensor, rear left and right
10. Air lines
11. Ride-height control switch

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

Protective measures/rules of conduct

1. Wear protective goggles
2. Wear oil-resistant protective gloves
3. Observe country-specific safety regulations

First aid measures

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)

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.

MSA function is deactivated by

Scheme 2

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 Workshop mode A = 10 mm 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 3

When working with diagnosis tools

1. Observe instructions in diagnosis tool

00 Safety instructions for handling oil

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.

37 11 030 Removing and installing complete left or right spring strut shock absorber

Necessary preliminary tasks

1. Remove «FRONT WHEEL»(/bmw/z4/e89-2009-2013/remont/wheel-tire-system/#wheel-and-tires-repair__36-10-300-removing-or-installing)
2. Remove «STABILIZER LINK FROM SPRING STRUT»(/bmw/z4/e89-2009-2013/remont/axle-shafts/#front-axle-repair__31-35-005-removing-and-installingreplacing)
3. Disconnect plug connection and expose line up to holder on spring strut
4. Unlock line from VDC damper in engine compartment and disconnect
5. Remove front «PULSE GENERATOR»(/bmw/z4/e89-2009-2013/remont/mechanical-hydraulic/#brakes-repair__34-52-525-replacing-one-front) from swivel bearing
6. Remove «FRONT BRAKE DISC»(/bmw/z4/e89-2009-2013/remont/mechanical-hydraulic/#brakes-repair)

Remove jointed rod of ride-height sensor from control arm.

Scheme 4

Slacken CONTROL ARM BOLT CONNECTION ON FRONT AXLE CARRIER in order to prevent control arm rubber mount from being damaged.

Remove CONTROL ARM FROM SWIVEL BEARING .

Remove TIE ROD END FROM SWIVEL BEARING .

Remove TENSION STRUT FROM SWIVEL BEARING

Release nuts (1) and remove spring strut with swivel bearing towards bottom.

Installation

Clean contact surface in spring strut dome.

Align spring strut using centring pin to bore in wheel arch or studs to wheel arch and push upwards.

Replace self-locking nuts.

Tightening torque 31 31 1AZ .

Scheme 5

After installation

1. Perform «CHASSIS ALIGNMENT CHECK»(/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)

37 12 001 Checking function of self-levelling suspension system

Carry out error search with BMW diagnosis system; if necessary, refer to Troubleshooting on self-levelling suspension system.

37 12 131 Replacing left or right rear shock absorber (adaptive M suspension)

Note. Read and comply with INFORMATION ON REPLACING SHOCK ABSORBERS .

Necessary preliminary tasks

1. Remove «REAR WHEEL»(/bmw/z4/e89-2009-2013/remont/wheel-tire-system/#wheel-and-tires-repair__36-10-300-removing-or-installing)
2. Remove «LUGGAGE COMPARTMENT WHEEL ARCH TRIM»(ref-381258-S29124522692010122800000)
3. Unlock and disconnect plug connection of VDC damper and expose line to shock absorber

When supporting components, make sure that

1. the vehicle can no longer be raised or lowered
2. the vehicle does not lift off the locating plates on the lifting platform

Support trailing arm with a workshop jack (1).

Release screw.

Tightening torque 33 52 3AZ .

Installation

Thrust washer (2) on rubber bearing must point to screw head.

Tighten bolt in NORMAL POSITION .

Scheme 6

Unscrew nuts (1).

Remove shock absorber with support bearing towards bottom.

Installation

Replace flat seal (between support bearing and body).

Replace self-locking nuts.

Tightening torque 33 52 2AZ .

Scheme 7

Replacement

Remove SUPPORT BEARING .

Remove or detach plate (1), spacer, auxiliary damper (2) and protective tube (3) from shock absorber (4).

Installation

Check auxiliary damper (2) and protective tube (3) for damage, replace if necessary.

Scheme 8

After installation

1. Check that output shaft is correctly seated in rear differential.

37 14 027 Removing and installing/replacing rear mounted acceleration sensor

Necessary preliminary tasks

1. Remove «RIGHT LUGGAGE COMPARTMENT TRIM PANEL»(ref-381258-S02997741392010122800000)

Unfasten plug connection (1) and disconnect.

Release nuts (2) and remove mounted acceleration sensor (3).

Tightening torque 37 14 8AZ .

Scheme 9

37 14 017 Removing and installing/replacing front mounted acceleration sensor

Necessary preliminary tasks

1. Remove «FRONT WHEEL ARCH TRIM»(ref-381258-S19052335092010122800000)

Unfasten plug connection (1) and disconnect.

Release screws (2) and remove mounted acceleration sensor (3).

Tightening torque 37 14 8AZ .

Scheme 10

37 14 511 Replacing front ride-height sensor

Unfasten plug connection (2) and disconnect.

Release nut (1) and disconnect jointed rod.

Tightening torque 37 14 7AZ .

Scheme 11

Release screws (1) and remove ride-height sensor.

Tightening torque 37 14 5AZ .

Installation

Sensor lever must point to front from ride-height sensor.

Scheme 12

37 14 512 Replacing rear ride-height sensor

Release nut (1) and disengage jointed rod with lever extension (2).

Tightening torque 37 14 3AZ .

Scheme 13

Unfasten plug connection (1) and disconnect.

Release screws (2) and remove ride-height sensor.

Tightening torque 37 14 1AZ .

Installation

Sensor lever (3) must point from ride-height sensor in direction opposite to direction of travel.

Scheme 14

37 15 055 Removing and installing/replacing EDC control unit

Release screws (1).

Remove electronics box cover (2).

Scheme 15

Unlock plug connections (1) and disconnect.

Unlock control unit (2) and remove upwards from holder.

Scheme 16

After installation

1. Carry out programming/coding.

See also:
• FRONT WHEEL
• STABILIZER LINK FROM SPRING STRUT
• PULSE GENERATOR
• FRONT BRAKE DISC
• CONTROL ARM BOLT CONNECTION ON FRONT AXLE CARRIER
• TIE ROD END FROM SWIVEL BEARING
• TENSION STRUT FROM SWIVEL BEARING
• 31 31 1AZ
• CHASSIS ALIGNMENT CHECK
• STEERING ANGLE SENSOR ADJUSTMENT
• INFORMATION ON REPLACING SHOCK ABSORBERS
• 33 52 3AZ
• NORMAL POSITION
• SUPPORT BEARING
• PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)
• 37 14 8AZ
• DANGER OF POISONING
• RISK OF INJURY