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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2011335IS 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 482 (ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES - 540I)CONTROL UNIT BOX12 90 CONTROL UNIT HOUSING
2011 BMW 335is 2D Convertible, Standard
12 90 Control Unit Housing
2011 BMW 335is 2D Convertible, StandardSECTION 12 90 Control Unit Housing
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL UNIT BOX SPECIFICATION
| Application | Type | Thread | 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
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.