Garrett Powermax™ direct fit performance charge air cooler for the 2015+ BMW M3 and M4 is engineered with a 47% larger core than stock. The dual pass air-to-water design helps reduce intake manifold temperatures by an average of 10 °F. CFD optimized end tanks improve air flow through the core. Back to back dyno testing at the Weistech facility resulted in an average increase of 12.4 horsepower and 4.9 lb-ft of torque were measured during back to back dyno pulls. This direct fit performance intercooler installs in 1.5 hours and reuses the stock bolts, hoses, and clamps. Available now in black finish, and in Q1 2020 the aluminum finish.

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CFD Optimized Design

Back To Back Dyno Testing

Available Now In Black, With Aluminum Coming Soon in Q1 2020

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