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.
12 51 200 Replacing wiring harness section for injectors (M57T2) (Version 1)
2011 BMW X5 35dSECTION 12 51 200 Replacing wiring harness section for injectors (M57T2) (Version 1)
Necessary preliminary tasks:
- Remove acoustic covers. See 13..... REMOVE THE ACOUSTIC COVERS (M57T2 WITH AND WITHOUT SCR) .
- Disconnect control unit, refer to REMOVING CONTROL UNIT
- Remove intake air manifold. See 11 61 050 REMOVING AND INSTALLING INTAKE PLENUM (M57T2/SCR) .
Disconnect plugs on injectors.
Release bolts (1).
Remove cable duct (2) from mounting towards top.
Pull out lock (1)
Press out black plug (2) in chamber A.
Press out white plug (3) in chamber B.
Assemble engine.
NOTE:
Read out DDE fault memory.
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.