MMR03-1502
Each MMR cap starts life as a solid billet of 6061 aerospace-grade aluminium.
Product features
Additional information
Fitting information
MMR BMW 90mm billet coolant cap for BMW
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The MMR Performance 90mm billet coolant expansion cap for BMWs has been designed from the ground up in the UK, engineered from a solid billet of aluminium.
Each cap was designed to directly replace the OE cap, not merely a cover stuck in place. Fitment is for models with the matching OE (17 11 7 639 021) part number.
Product fitment.
While every effort has been made to ensure the accuracy of this information, we are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their vehicle.
Where to purchase
Our network of expert MMX Performance dealers can supply our full range, together with product guidance and advice, plus often an experience fitting service.
If you haven't got a MMX Performance dealer close to you, don't worry! Remember you can buy direct from our MMX Performance webshop.
Find a dealerAbout MMX
MMX Performance products have been designed and developed in the UK with passion by enthusiasts, for enthusiasts. All of our products are created in the world's toughest development lab: motorsport. We push the limits and reach new heights on track; then refine our products to give you the performance you need when you want it on the road.
Our extensive range of BMW and MINI upgrades offer unrivalled quality, performance and reliability worldwide; furthermore, every product carrying the MMX logo is thoroughly durability tested both on the road and track, so you can have complete peace of mind that you're installing only the best quality products to unlock the true performance potential from your car.