New coolant expansion tank with level sensor, also referred to as a water reservoir or radiator overflow bottle. Direct-fit replacement for BMW 320i / 320Ci E46 (1999-2006, engine codes M54226S1, M54B22), E83 (2004-2007) and E53 (2001-2007).
This economical aftermarket expansion tank restores normal cooling system performance and helps prevent engine overheating and coolant leakage.
Please note: original radiator cap is NOT included; you will need to reuse your existing cap during installation.
- Aftermarket coolant expansion tank with built-in level sensor
- Exact fit for BMW E46, E83, E53 specified models & engine codes
- Heat-resistant construction to resist cracking and coolant leaks
- Cost-effective replacement for failed original reservoirs
- Simple installation, no modifications required
- Re-use your original radiator cap (cap not supplied)
What's in the box
1 x Water botter