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 MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 776 (ENGINE ELECTRICAL SYSTEM -- REPAIR (N54))
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 776 (Engine Electrical System -- Repair (N54))
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 776 (Engine Electrical System -- Repair (N54))
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW 335xi, 2010 BMW 335i, 2009 BMW 335xi, 2009 BMW 335i, and 2008 BMW 335xi. However, it is still accessible from the selected car via links, so may be relevant.
- 00 Troubleshooting
- 12 Ignition Wires, Spark
- 13 Ignition Coil
- 14 Electronic Switching
- 12 14 521 Replacing Crankshaft Pulse Generator (N54)
- 12 14 523 Replacing Pulse Generator On Inlet Camshaft (N54)
- 12 14 524 Replacing Pulse Generator On Exhaust Camshaft (N54)
- 12 14 550 Replacing Control Unit (DME)
- 12 14 600 Removing/Replacing Knock Sensors (N54, N53)
- 12 14 650 Replacing Suction Pressure Sensor On Intake Air Manifold (N54)
- 12 14 651 Replacing Suction Pressure Sensor On Charge-Air Duct (N54)
- 12 14 700 Coding Control Module (DME/DDE)
- 12 14 705 Programming Control Unit (DME/DDE)
- 61 14 ... Removing and Installing/Replacing Engine Compartment B+ Terminal
- 31 Alternator With Drive
- 32 Regulator
- 41 Starter With Mounting
- 42 Starter Lead
- 51 Engine Wiring Loom
- 61 Oil Pressure-Oil Temperature
- 90 Control Unit Box
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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.