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Technically, it does have to be programmed and coded. The module, if uncoded, may keep the vehicle awake and not allow other modules to be coded if the VIN doesn't match with the KOMBI and DSC control units. A good example of this would be the battery. When you replace the battery, you don't need to register it in order for it to work and the car to start. You need to register it to provide adequate charge information to other modules for correct draw, or risk significantly reducing the life of the battery or worse.
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BMW LED Performance Wheel | OEM FULL Carbon Fiber | E9X M3 Gauge Cluster | E9X Exterior Mirrors | E9X M3 Full Suspension | E9X M3 Diff | PT-CAN2 Enabled | Bilstiens | Michelin PSS's | NBT Navigation Retrofit with Touch Pad
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