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Necessary Preliminary Tasks:

Disconnect battery negative lead. Refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Remove flap in right luggage compartment wheel arch trim. Refer to 51 47 172 REMOVING AND INSTALLING/REPLACING FLAP IN LUGGAGE COMPARTMENT TRIM, LEFT OR RIGHT .

Disconnect plug connections (1).

Installation:

Ensure correct cable routing.

Release screws (2).

Feed out power module (3) in direction of arrow and remove.

Fig 1: Plug Connections, Screws, Power Module And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out coding/programming.

Observe following IDC specifications:

Programming.
Coding.
Car & Key Memory.
CD "CIP".

Fig 2: Identifying Programming Unit
Courtesy of BMW OF NORTH AMERICA, INC.

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.

Safety Warning

61 35 030 Removing And Installing (Replacing) Power Module

Use the Manual With the Right Hardware

When to See a Mechanic