BMW G20 340i | 330i | A90 Supra Heat Exchanger (B46 | B58)

The Project Gamma heat exchanger for the BMW 330i, 340i, and A90 Supra models substantially provides extra cooling to the engine's coolant temperatures. This plug and play solution utilizes the extra space in the front of the vehicle to allow for lower intake air temperatures. Made for the B46 and B58 engines, this heat exchanger is the perfect mod to get the extra cooling your vehicle needs for a higher performance. 

If your item is in stock and the order is placed before 3 PM, it will ship the same day. Products that include ceramic coating are shipped the following business day. If the product or color you’re looking for is out of stock, you can join the waitlist by clicking the “Email When Available” button. We’ll notify you as soon as it’s back and provide an estimated restock time.

Custom Orders
For custom requests, please email us directly. We’ll review your order and provide an estimated delivery time based on the required manufacturing process.

Damaged, Incorrect, or Missing Items
If your order arrives damaged, incorrect, or missing parts, simply email us a photo along with your order number. We’ll arrange a refund or exchange right away. Contact us at info@ttmengineering.se and we’ll make it right.

Returns & Satisfaction
Unused and uninstalled products are eligible for a refund, exchange, or store credit. Unfortunately, once a product has been used or installed, we cannot accept returns or offer refunds. If you decide you don’t like a product after installation, it will not qualify for return.

Restocking Fee
A restocking fee of 20% of the original purchase price may apply to returned products. This fee covers the costs of processing and restocking. Please refer to our Policies Page for full details on exchanges and returns.