BMW Brake Fluid Reservoir Cap for 1/3 Series, M Models, X1 (2006–2015)

This Original BMW brake fluid reservoir cap stores brake fluid above the master cylinder and supplies the hydraulic circuit on BMW 1/3 Series, M Models, X1 (2006–2015).

BMW keeps Original BMW Parts available for a model from its launch until after the model range is discontinued, which is what makes long-term ownership practical. Confirm the listed years and body style in the fitment table below before ordering.

Technical Details

• Manufacturer part number: 34-33-6-774-451
• Product type: Brake Fluid Reservoir Cap
• System: Brake system
• Primary function: stores brake fluid above the master cylinder and supplies the hydraulic circuit
• Vehicle application: BMW 1/3 Series, M Models, X1 (2006–2015)

Fitment & Compatibility

Use the fitment table below to confirm hydraulic layout, installation position, and model year. Match the vehicle’s production date and installed equipment to the application.

Send PMB Performance the VIN when side, chassis, or equipment details are unclear. We have more than two decades of European-parts experience.