ATE Master Cylinder Reservoir Grommet – A critical seal preventing brake fluid leaks and air ingress into the hydraulic system. Sourced directly from ATE, each grommet is designed for a perfect, leak‑free fit on BMW Z4 models (2006‑2008, 3.2L engine). Sold individually; two required per vehicle.
Key Features & Benefits
- OE Quality Rubber: Durable elastomer resists fluid degradation and cracking.
- Prevents Leaks: Secures master cylinder to reservoir seal.
- Air Exclusion: Maintains hydraulic pressure and pedal feel.
- Direct Fitment: Matches original BMW part specifications.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| BMW | Z4 | 2006–2008 | 3.2L6 |
Technical Specifications
| Part Numbers | 0004310950, 91135592200, 03.3304-2208.1, 390090 |
| Material | Rubber |
| Quantity Required | 2 per vehicle |
| Brand | ATE |
Installation Notes
Replace in pairs during brake fluid service; professional installation recommended.
About ATE
ATE is a leading OE supplier of braking components, known for precision engineering and reliability.
This part also goes by the following cross reference.
Cross Reference Part Number:
Fits These Vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | Z4 | 3.2L6 | 2006–2008 |
| Make | Model | Engine | Years |
|---|---|---|---|
| No vehicles listed for this group. | |||