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 MANUALSBMW2023M240IREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTSTEERING COLUMN SWITCHESGENERAL ELECTRICAL SYSTEM -- REPAIR (G42)61 35 CONTROL UNITS, MODULES61 35 278 REMOVING/INSTALLING BODY DOMAIN CONTROLLER (BDC) CONTROL UNITINSTALL THE BDC CONTROL UNIT
2023 BMW M240i
Install the BDC control unit
2023 BMW M240iSECTION Install the BDC control unit
WARNING:
Work on components with requirements for a secure energy supply
Ensure proper function after a repair
Ensure proper function after a repair
- Lines are allowed to have only one repair area.
- Notices in the diagnostic system circuit diagrams must be observed.
- When components are replaced, the notices in the applicable BMW parts catalogue must be observed.
- Maneuver the BDC control unit (2) into the holder (3) in the arrow direction.
- Snap the BDC control unit (2) into the detent (1).
- Connect all connectors and lock.
- Insert the cover (3) in arrow direction and snap it into the locks (2).
- Position the carpet (1).
- Insert the power distribution box (2) to the top and snap it correctly into the locks (1).
Follow-up work
- Refer to INSTALLING SIDE TRIM PANEL IN FOOTWELL ON RIGHT A-PILLAR .
- Refer to INSTALLING INSIDE RIGHT DOOR SILL COVER STRIP .
- Refer to INSTALLING RIGHT FOOTWELL TRIM .
- Refer to ACTIVATING ELECTRICAL SYSTEM .
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.