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.
Input/output Central Locking
2011 BMW Alpina B7SECTION Input/output Central Locking
COMPONENTS DESCRIPTION CHART
| Index | Explanation |
|---|---|
| 1 | ID transmitter |
| 2 | Central locking button |
| 3 | Interior trunk button in the A-pillar |
| 4 | Car Access System 4 (CAS 4) |
| 5 | Center-lock button |
| 6 | Central locking, fuel filler flap |
| 7 | Exterior trunk button |
| 8 | Junction box electronics module (JB) |
| 9 | Automatic soft-close drive in the trunk lock |
| 10 | Trunk central locking system |
| 11 | Lock (4x) in vehicle doors |
| 12 | Driver's-door lock barrel |
| 13 | Footwell module (FRM) |
| K-CAN2 | Bodyshell CAN |
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.