Product Details
About this part
CNC machined coolant/water thermostat bypass to improve coolant/water flow through the engine for increased cooling on and off the track. Extensively tested on the One Lap of America 2010 event on an Active Autowerke supercharged E90M3.
Also used on Grand AM prepared E92 M3 race cars.
Easy plug and play installation.
Hard coat anodized for long life and reliability.
Fitment
Not sure it fits? Contact us with your car's year, model and VIN and we'll help you confirm before you order.
If a part doesn't fit as expected, contact us and we'll work with you to resolve it.
Majority of products have a fitment section in the product description or within the title.
Returns
- Unused, uninstalled parts can be returned or exchanged within 30 days of the order date.
- To start a return: Contact us first, don't use Return to Sender.
- Returns can have up to a 20% restocking fee.
- Built-to-order and special-order items can't be returned or cancelled once production begins.
Shipping
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- Inspect parts within 10 days of delivery, and reach out regarding any damage or missing pieces.
See our Tariff Policy
Warranty
- All parts retain the manufacturer's warranty.
- Warranty claims are subject to the manufacturer's approval.