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 1105 (ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES)ELECTRONIC SWITCHING OR CONTROL UNIT12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
12 14 Electronic Shift Units or Control Units
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 12 14 Electronic Shift Units or Control Units
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
ELECTRONIC SHIFT UNITS OR CONTROL UNITS - TORQUES SPECIFICATION TABLE
| - | Type | Thread | Tightening specification | Measure |
|---|---|---|---|---|
| 1AZ Knock sensor | N54 | M8x30 | - | 21 Nm |
| 2AZ Pulse generator for crankshaft | N54 | M6x16 | - | 8 Nm |
| 3AZ Pulse generator for inlet camshaft | N54 | M6x16 | - | 8 Nm |
| 4AZ Pulse generator for exhaust camshaft | N54 | M6x16 | - | 8 Nm |
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.