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 MANUALSBMW2011535I GTREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPENGINE ELECTRICAL SYSTEM - REPAIR
2011 BMW 535i GT
Engine Electrical System - Repair
2011 BMW 535i GTSECTION Engine Electrical System - Repair
- Troubleshooting
- 61 20... Battery replacement information
- 61 13... Butt connector for repairing a plug connection
- 12 00... Instructions for removal and replacement of control units
- 12 00... Instructions for working on the ignition system
- 61 00... Notes for disconnecting and connecting battery
- 61 13... Notes for opening contacts and locks of different plug contact systems
- 61 00... Notes on handling wiring harnesses and cables
- 12 00... Notes/information on start assistance (jump starting)
- 12 00 Removing and installing/replacing ignition coil cover (N55)
- 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
- Ignition Wires, Spark Plugs
- Ignition Coil
- Electronic Switching Or Control Units
- 12 14 700 Coding control module (DME / DDE)
- 12 14 705 Programming control unit (DME / DDE)
- 12 14 600 Removing/replacing knock sensors (N55)
- 12 14 550 Replacing control unit (DME) (N55)
- 12 14 521 Replacing crankshaft pulse sensor (N55)
- 12 63 586 Replacing power distribution module (N20, N52T, N55)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (N55)
- 12 14 523 Replacing pulse sensor on intake camshaft (N55)
- 12 14 650 Replacing suction pressure sensor on intake plenum (N55)
- Alternator With Drive And Mounting
- Controller
- Starter With Mounting
- Starter Lead
- Engine Wiring Loom
- Oil Pressure/Oil Temperature/Oil Gauge
- Switches And Relays
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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.