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 MANUALSBMW2023X5 M BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALMOTORS, SWITCHES, RELAYSGENERAL ELECTRICAL SYSTEM -- REPAIR X5 M (F95)61 35 CONTROL UNITS, MODULES61 35 278 REMOVING/INSTALLING BODY DOMAIN CONTROLLER (BDC) CONTROL UNIT (X5 M)INSTALL THE BDC CONTROL UNIT
2023 BMW X5 M Base
Install the BDC control unit
2023 BMW X5 M BaseSECTION Install the BDC control unit
- Connect the connector of the positive battery cable (1) to the BDC control unit (4).
It is essential to observe the sequence:
- Install the positive battery cable connector (1) in the direction of the arrow.
- Check that retaining lug (2) is engaged correctly.
- Close lock (3) arrow direction.
- Guide in the BDC control unit (1).
- Connect all connectors (1) and lock.
- Guide in the BDC control unit (2) in the direction of the arrow.
- Connect all connectors (1) and lock.
- Insert cover (2) in arrow direction.
- Check the detents (1).
- Tighten screw (2) at cover (3).TIGHTENING TORQUE SPECIFICATIONS
Body Domain Controller (BDC) Sheet metal screw
4.8X16tightening torque 1.2 Nm - Position the carpet (1).
Follow-up work
- Refer to INSTALLING SIDE TRIM PANEL IN FOOTWELL ON RIGHT A-PILLAR .
- Refer to INSTALLING THE FRONT 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.