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 MANUALSBMW2010535I AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUESCONTROL UNIT BOX12 90 CONTROL UNIT HOUSING
2010 BMW 535i Automatic
12 90 Control Unit Housing
2010 BMW 535i AutomaticSECTION 12 90 Control Unit Housing
CONTROL UNIT HOUSING - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Assembly of upper and lower sections | E32 / E34 / E36 | 5 Nm | ||
| 2AZ Center section to body | E32 / E34 | 3 Nm | ||
| 3AZ Control unit holder in E box | E36 | 5 Nm | ||
| 4AZ Control unit box cover | E38 / E39 / E52 | 4 Nm | ||
| E46 | 6 Nm | |||
| E53 / E36/7 / E54 | 3 Nm | |||
| 5AZ Electronics box to firewall | E65 | Plastic screw | 6 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.