My Account
BMP Transmission Cooler Fitting
BMP Transmission Cooler Fitting

BMP Transmission Cooler Fitting



Only 1 left in stock

Transmission Cooling Line Fitting Adapters for most modern BMW automatic transmissions (sold individually).


Are you running your car hard at the track or on the streets?  If so your automatic transmission is most likely creating more heat then intended by the engineers at BMW.  Don't worry though we have you covered these fittings allow you to easily upgrade the cooling system for your transmission.  They Snap right in to the factory lines where the stock cooler is by the radiator and adapt to standard -8AN fittings which allows you to easily run new lines to any aftermarket transmission cooler you desire!  In addition these fitting come with 1/8" NPT port which allows you to monitor both line pressure and temperature by adding the required sensors you can purchase online and at most auto parts stores!

Transmission Cooling Line Fitting Adapter Features:
- Sold individually for those wanting to keep the factory cooler to get temps up quicker in cold climates
- 100% 6061 Billet Aluminum design (-8AN)
- Stainless Steel 1/8" NPT plug included for those not wishing to use the ports

- Anodized black to never corrode internally or externally



Product Fitment:

- F8X M3/M4 DCT


Please Note: These fittings are for the radiator end of the transmission cooling lines to connect to the factory transmission cooler, they are NOT for use on the transmission end.

*These fittings will not fit manual transmissions for the purpose of adding a transmission cooler.

We have a 20-day return policy, which means you have 20 days after receiving your item(s) to request a return. Please note we charge a 25% restocking fee on all returns. To be eligible for a return, your item must be in the same original/new condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Please inspect your order upon arrival, and contact us immediately if the item is defective, damaged or if you received the wrong item, so that we can evaluate the issue and make it right.

Exceptions/non-returnable items:

Certain items cannot be returned, like sale items, perishable goods, custom products (such as special orders or personalized items), hazardous materials, flammable liquids, and/or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember, it can take some time for your bank or credit card company to process and post the refund.