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 MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 875 (GENERAL ELECTRICAL SYSTEM - REPAIR)35 ECUS MODULES32 43 010 REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR ACTIVE FRONT STEERING

2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans

32 43 010 Removing And Installing/Replacing Control Unit For Active Front Steering

2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 32 43 010 Removing And Installing/Replacing Control Unit For Active Front Steering

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection) . See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks:

Disconnect battery negative lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Remove front left wheel arch cover (rear section) . See 51 71 039 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER (REAR SECTION) .

Release nut (1) and disconnect ground cable.

Disconnect plug connections (2).

Unclip cable holder (3).

Installation:

Replace damaged cable holder.

Fig 1: Identifying Plug Connections And Cable Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1, 2).

Tightening torque. See GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Remove active front steering control unit (3).

Fig 2: Identifying Active Front Steering Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Replacement only: Carry out coding . See VEHICLE PROGRAMMING AND CODING .
Only when replacing / programming / coding: Carry out adjustment for active front steering . See 32 10 005 ADJUSTMENT FOR ACTIVE FRONT STEERING .

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.