BMW Differential Lock Plate for 1/5–8 Series, M Models, X5, Z4/Z8

Original BMW differential lock plate for BMW 1/5–8 Series, M Models, X5, Z4/Z8, Alpina B7 (1978–2021). It retains the matching bearing, shaft, or housing component in its installed position.

Original BMW Parts are designed, produced, and tested to match the specifications of the car they were built for, rather than to fit the widest possible range of vehicles. Check the fitment table below against your model, year, and build.

Technical Details

• Manufacturer part number: 33-12-1-205-138
• System: Rear axle and differential
• Product type: Differential Lock Plate
• Vehicle application: BMW 1/5–8 Series, M Models, X5, Z4/Z8, Alpina B7 (1978–2021)
• Primary function: retains the matching bearing, shaft, or housing component in its installed position

Fitment & Compatibility

Use the fitment table below to confirm axle configuration, drivetrain, mounting location, and production year. Each listed year should be checked against the exact submodel and equipment.

If production or equipment details are uncertain, PMB Performance can compare the VIN. Our team has more than 20 years of parts experience.