Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2011Z4 30I, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEEXTERIOR BODY PANELSCOLLISION - BODY PANEL REPAIR (E89)4100 BODY PANEL REPAIR GENERAL INFORMATION32 00... INFORMATION ON REPLACING STEERING GEAR AFTER ACCIDENT DAMAGEPROCEDURE
2011 BMW Z4 30i, Automatic
32 00... Information On Replacing Steering Gear After Accident Damage: Procedure
2011 BMW Z4 30i, AutomaticSECTION Procedure
The steering gear must be replaced if one or more of the following points apply:
- 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.
- Unacceptable torque increase and jamming when the steering gear is turned from lock to lock (without hydraulic/electrical assistance)
- Permissible tolerances exceeded during axle/wheel alignment (include alignment record with invoice/report if necessary)
- Fire damage
- 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.