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.
Necessary preliminary tasks
2011 BMW 335dSECTION Necessary preliminary tasks
- Remove RIGHT LUGGAGE COMPARTMENT TRIM PANEL
- Remove TOP TRIM FROM TAIL PANEL
Disconnect plug connection (1).
Slacken nut (2) on battery negative terminal.
Tightening torque 61 21 1AZ .
IMPORTANT:
Do not under any circumstances use force to pull off pole shoe.
Do not under any circumstances release socket-head cap screw of IBS.
Do not under any circumstances release socket-head cap screw of IBS.
Detach battery negative lead (3) with intelligent battery sensor (IBS) in upward direction.
Release nut (4) and remove cable.
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.