FEBI Bilstein Coolant Expansion Tank For BMW 3 Series X3 X5 Z4
Reliable coolant level control for your BMW with the FEBI Bilstein 33550 coolant expansion tank, designed as a direct replacement for multiple OE part numbers used across a wide range of BMW petrol and diesel vehicles.
The coolant expansion tank allows excess coolant to expand safely as engine temperatures rise, helping maintain correct system pressure and preventing leaks or overheating. Over time, plastic tanks can degrade, leading to cracks, coolant loss or warning light issues.
The FEBI Bilstein 33550 coolant expansion tank is manufactured to OE matching standards for a precise fit and dependable performance. Suitable for BMW 3 Series, X3, X5 and Z4 models, it helps restore correct cooling system operation and supports long-term engine protection.
Key Features
- Direct replacement coolant expansion tank for BMW vehicles
- OE matching quality for accurate fit and reliable sealing
- Helps prevent coolant leaks and pressure loss
- Restores correct cooling system operation
- Suitable for worn, cracked or leaking original tanks
- Supplied by FEBI Bilstein, a trusted aftermarket brand
Specification
- Material: Plastic
- Supplementary information: Supplied without cover
Vehicle Compatibility
Suitable for selected BMW models, including:
- BMW 3 Series E46 Saloon, Touring, Coupe, Cabriolet and Compact
- BMW X3 E83
- BMW X5 E53
- BMW Z4 E85 Roadster
- BMW Z4 E86 Coupe
Always confirm compatibility with an expert if unsure.
OE NumbersThis part is designed as a replacement for the following OE numbers:
1436413, 17111436413, 17117573751, 17117573781, 17132247553, 17137514401, 17137573781, 17137787039, 2247553, 7573781, 7787039