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.
61 35 080 Removing And Installing (Replacing) Control Unit For Left Or Right Seat Adjustment (Front Seat)
The following SM variants are affected:
- SM BA/M.
- SM BA/M-HK.
In the event of a repair, some cables are laid a little tauter.
Necessary Preliminary Tasks:
- Disconnect battery negative lead. Refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Unclip trim in upper rail at front (1) in direction of arrow and remove.
Unclip trim in upper rail on outside (1) towards top, feed out towards rear and remove.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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