2012 BMW Z4 Bulb Sizes

Headlight Bulb High Beam and Low Beam - D1S

Back Up Reverse Light Bulb - 921

Stepwell Light Bulb - 2825

Brake Light Bulb(without adaptive lighting) - 921

Trunk or Cargo Area Light - 2825

Interior Door Light Bulb - 2825

Courtesy Light Bulb - 2825

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