The BMW O-Ring ATE 34314650345, manufactured by ATE (part number 390479), is an OE Supplier component that ensures reliable sealing between the brake master cylinder and brake booster. Specifically designed for select BMW models equipped with ATE brake master cylinders, this O-Ring delivers precise fitment and OE-level quality for critical brake system maintenance.
Key features:
- OE Supplier part for BMW brake systems (OEM)
- Ensures proper seal between brake master cylinder and brake booster
- Designed for use only with ATE brake master cylinders
Verified fitment includes select models and years of BMW 1602, 2002, 2002tii, 2500, 2800, 2800CS, 2.8 Bavaria, 3.0CS, 3.0S, 3.0Si, 318i, 320i, 325, 325e, 325es, 325i, 325is, 325iX, 528e, 528i, 530i, 630CSi, 633CSi, Bavaria, and M3, as detailed in the vehicle catalog. Fitment is limited to vehicles with ATE brake master cylinders.
For precise compatibility, always confirm your vehicle’s brake master cylinder type before purchase.