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Integrated Suspension Systems - Repair - e90 BMW M3 E90

Suspension Control Systems 12 illustrations ~986 words

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)

WARNINGUse of cleaning agents/paints not compliant with instructions can cause serious injuries or burns! Handling cleaning agents/paints can trigger allergic skin and respiratory reactions!
IMPORTANTObserve following instructions: Store cleaning agents/paints only in a secure cabinet. Keep cleaning agents/paints away from naked flames and other sources of ignition. Protect cleaning agents/paints from high temperatures and direct sunlight. Always keep an eye bath on hand, change the water regularly (once a month).
IMPORTANTObserve following instructions before use: Manufacturer's instructions (on container/packaging) Hazard warnings (on container/packaging) Manufacturer's instructions on package insert Material safety data sheet of manufacturer Product information in EPC National market regulations
IMPORTANTObserve following instructions during use: Do not eat, drink or smoke while working with these products. Avoid direct contact with skin and eyes. Wear personal protective clothing/equipment. Ensure that all enclosed areas are well ventilated or extract fumes directly. Immediately change working clothes soiled with cleaning agent/paint. After finishing work, wash your hands and apply protective skin cream.
IMPORTANTFollow hazard warnings and wear 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 vapors 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 12

Scheme 12: 37... Overview of 2-axle ride-height control

Scheme 13

Scheme 13: 37.... Overview of Electronic Damper Control (EDC)

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)

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.

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

Scheme 14

Scheme 14
  1. 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 15

Scheme 15

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.

37 12 001 Checking function of self-levelling suspension system

Carry out error search with BMW diagnosis system.

37 14 017 Removing and installing/replacing front mounted acceleration sensor (M3)

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks

  1. Remove «FRONT WHEEL ARCH COVER (REAR SECTION)»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-71-039-removing-and-installingreplacing)

Disconnect plug connection (1).

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

Scheme 16

Scheme 16

37 14 027 Removing and installing/replacing rear mounted acceleration sensor (M3)

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks

  1. Remove «HOLDER FOR REAR RIGHT BUMPER»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-12-801-removing-and-installingreplacing)

Disconnect plug connection (1).

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

Scheme 17

Scheme 17

37 14 511 Replacing front ride-height sensor

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Release nut (1) and disconnect jointed rod (2).

Installation

Tightening torque 37 14 3AZ .

Scheme 18

Scheme 18

Release screws (4).

Remove ride-height sensor and disconnect plug connection (3).

Installation

Sensor lever (5) must point from ride-height sensor to left front wheel.

Tightening torque 37 14 1AZ .

After installation

  1. Check headlight adjustment . See «6310004 ADJUSTING HEADLIGHTS»(/bmw/m3/e90-2007-2013/remont/exterior-lights/#lights-repair-e90__63-10-004-adjusting-headlights) or «6310004 ADJUSTING HEADLIGHTS»(/bmw/m3/e90-2007-2013/remont/exterior-lights/#lights-repair-e90__63-10-004-adjusting-headlights) , correct if necessary

37 14 512 Replacing rear ride-height sensor (M3)

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Release nut (1) and disengage jointed rod (2) on ride-height sensor.

Installation

Replace self-locking nut.

Sensor lever (3) must point starting from ride-height sensor to left rear wheel.

Tightening torque 37 14 3AZ .

Scheme 19

Scheme 19

Release bolt (4) and remove ride-height sensor with holder from rear axle carrier.

Installation

Align holder to corresponding bore in rear axle carrier.

Tightening torque 37 14 2AZ .

Disconnect plug connection (1).

Release screws (3) and remove ride-height sensor from bracket (2).

Installation

Tightening torque 37 14 1AZ .

Scheme 20

Scheme 20

After installation

  1. Check «HEADLIGHT ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/exterior-lights/#lights-repair-e90__63-10-004-adjusting-headlights) , correct if necessary

37 15 055 Removing and installing (replacing) EDC control unit (M3)

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks

  1. Remove right luggage compartment wheel arch trim

Remove cable ties (1) from body.

Feed cable (2) out of insulating mat (3) and lay insulating mat to one side.

Scheme 21

Scheme 21

Release screws (1) and remove equipment carrier (2).

Scheme 22

Scheme 22

Disconnect plug connection (1).

Unlock catch (2) and lift control unit (3) out of equipment carrier.

Scheme 23

Scheme 23

After installation

  1. Replacement only: Carry out Vehicle programming and encoding