ATE Brake Booster for BMW 3 Series (1999–2006)

The ATE Brake Booster fits the listed BMW 3 Series applications spanning 1999–2006. Designed for direct service at the installed brake-system location, it provides brake-pedal assist for the hydraulic braking system.

ATE-branded brake booster are engineered as direct-fit brake-system components for their listed applications, supporting correct braking operation, fitment, and serviceability at the installed location.

Technical Details

• Manufacturer: ATE
• Manufacturer part number: 300123
• OE/reference number: 34-33-6-779-682
• Part type: Brake Booster
• Listed vehicle range: BMW 3 Series
• Listed model years: 1999–2006

Fitment & Compatibility

Use the fitment table below to confirm the exact year, make, model, and submodel before ordering. Brake-system equipment can vary within the same model year, so compare the installed component and reference number when possible.

PMB Performance can help verify the application when the vehicle has multiple brake packages. Provide the VIN or existing part number for support from a team with more than 20 years of brake-component experience.