They sent my friend a cap for a non-m car and it took him a while to figure out the leak was from the brand new cap.
Cons: incorrect cap, caused leak
Vehicle:
BMW
Reviews of MISHIMOTO expansion tank cap
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3 votes
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1 review
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What we know about MISHIMOTO expansion tank cap
The brand is registered in USA. Official website: https://www.mishimoto.eu.
In March 2026, PartReview does not yet have a formed opinion of MISHIMOTO expansion tank cap. You can help by adding a review for MISHIMOTO expansion tank cap.
Currently there are 1 review and 3 votes. Average rating — 1 out of 5. Vote balance: 0 up, 3 down.
Users also evaluated the qualities of MISHIMOTO expansion tank cap:
- Seal - no coolant smell or wetness around the tank cap - rated negatively. 1 point out of 5.
- Pressure release - short hiss after shutdown is normal and brief - no rating yet
- Temperature stability - gauge stays steady in traffic when the cap holds pressure - no rating yet
Expansion tank cap MISHIMOTO in car-specific ratings
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