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.
Removing and Installing/Replacing Control Unit for Backrest Width Adjustment
2008 BMW M5 (E60) V10-5.0L (S85)SECTION Removing and Installing/Replacing Control Unit for Backrest Width Adjustment
61 35 076 - Removing and installing/replacing control unit for backrest width adjustment
Special tools required:
- 52 0 050 52 0 050 Pliers
Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).
Necessary preliminary tasks:
- Remove switch combination for seat adjustment
Unclip cover (1) on front seat.
Release screws (1) on thigh support.
Disconnect plug connection (2).
Remove thigh support (3) towards top.
Installation Note:
Insert screws (1) with Loctite.
Unclip trim (1) for thigh support carrier.
Detach seat cover (1).
Tilt back seat cover (1) with padding towards middle of vehicle.
Loosen retainers (1).
Tilt back thigh support (2) towards rear.
Remove all remnants of clips from seat cover and seat mechanism.
Installation Note:
Bend new retainers closed with pliers 52 0 050 52 0 050 Pliers.
Release screw (1) under tilted-up seat padding.
Unlock plug connections (2) and disconnect.
Remove control unit for backrest width adjustment (3) towards bottom.
Replacement:
Carry out programming/coding Programming and Relearning.
RENDER: 1.0x
NO RELATED
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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.