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 1668 (ENGINE ELECTRICAL SYSTEM - REPAIR - E91)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 1668 (Engine Electrical System - Repair - E91)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 1668 (Engine Electrical System - Repair - E91)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
- 1200 Troubleshooting
- 61 20... Battery replacement information
- 12 00... Instructions for disconnecting and connecting battery
- 12 00... Instructions for working on the ignition system
- 12 13 Notes on checking ignition system
- 61 00... Notes on handling wiring harnesses and cables
- 12 00... Notes/information on removing and installing control units
- 12 00... Notes/information on start assistance (jump starting)
- 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
- 1212 Ignition Wires, Spark Plugs
- 1213 Ignition Coil
- 1214 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 (N52, N52K, N51)
- 12 14 550 Replacing control unit (DME)
- 12 14 521 Replacing crankshaft pulse generator (N52, N52K, N51, N53)
- 12 14 524 Replacing exhaust camshaft pulse generator (N52, N52K, N51, N53)
- 12 14 523 Replacing inlet camshaft pulse generator (N52, N52K, N51, N53)
- 1231 Alternator With Drive And Mounting
- 1232 Regulator
- 1241 Starter With Mounting
- 1242 Starter Lead
- 1251 Engine Wiring Loom
- 1261 Oil Pressure/Oil Temperature/Oil Gauge
- 1290 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.