There are 9 choices

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Air Bag
- (front)
  - main control
  - passenger side occupant detector
Body Control (BCM)
Memory
- (mirror folding control)
Roof
- (Convertible top control)
Theft-Locking
- alarm
- immobilizer
Transmission
- 2.5L
- 3.0L

Chassis Computer for 2003 BMW Z4

Fits: Theft-Locking alarm (change)

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