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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2023M3 BASE, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTGENERAL ELECTRICAL SYSTEM -- REPAIR -- M3 (G80)61 35 CONTROL UNITS, MODULES61 35 278 REMOVING/INSTALLING BODY DOMAIN CONTROLLER (BDC) CONTROL UNIT (M3 BASE, M3 COMPETITION, M3 COMPETITION M XDRIVE, M3 CS)INSTALL THE BDC CONTROL UNIT
2023 BMW M3 Base, Standard Trans
Install the BDC control unit
2023 BMW M3 Base, Standard TransSECTION Install the BDC control unit
- Feed the BDC control unit (2) into the holder (3) in the arrow direction
- Engage the BDC control unit (2) into the detent (1)
- Connect all connectors and lock
- Feed in the cover (3) in the arrow direction and engage it into the detents (2)
- Position the carpet (1)
- Feed in the power distribution (2)
upwards and engage it correctly into the detents (1)
Follow-up work
- Refer to INSTALLING SIDE TRIM PANEL IN FOOTWELL ON RIGHT A-PILLAR .
- Refer to INSTALLING THE RIGHT DOOR SILL COVER STRIP .
- Refer to INSTALLING RIGHT FOOTWELL TRIM .
- Refer to RECONNECTING ALL BATTERY GROUND LEADS .
- Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.