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.
2011 BMW 750Lxi 4.4 CFACTORY OEM SERVICE PROCEDURE
61 35 Control units
TIGHTENING TORQUE SPECIFICATIONS - CONTROL UNITS
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Control unit for Car Access System | F01 / F02 / F03 / F04 / F06 / F12 / F13 | 3.3 Nm | ||
| 2AZ Control unit for camera-based driver support systems (KAFAS) | F01 / F02 / F03 / F04 / F06 / F07 / F10 / F11 / F12 / F13 | 3.3 Nm | ||
| 3AZ Central gateway module | F01 / F02 / F03 / F04 / F06 / F07 / F10 / F11 / F12 / F13 | 3.3 Nm | ||
| 4AZ Footwell module | F01 / F02 / F03 / F04 / F07 / F10 / F11 | 3 Nm | ||
| 5AZ Control unit for Car Access System | F07 / F10 / F11 | M6 | 4.5 Nm | |
| 6AZ Battery charger module on body | F06 / F12 / F13 | M6 | 8 Nm |
Factory Service Tools
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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.
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