Frequently asked questions
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Original Equipment Manufacturer. Parts made by the factory.
Life Cycle Impulse. BMW's term for a facelifted or updated model.
Digital Motor Electronics. The primary engine control unit (ECU).
BMW's variable valve timing system.
The distance from the hub mounting surface to the center line of the wheel.
The internal designation for a vehicle generation (e.g., E30, E46, F80).
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