Heat Exchanger for B58 2020+ Toyota GR Supra, BMW Z4 & G20/G21 M340i, 330i, 320i

Increase your cooling capacity for better performance

This heat exchanger upgrade is a high-quality replacement that dramatically lowers engine oil and water temperatures by providing a 50% larger cooling surface than OEM. The benefits are most noticed during back to back runs at higher boost levels where the factory cooling capacity can be overwhelmed resulting in ignition timing pull and reduced turbo efficiency. Direct bolt-in installation. 

Replaces OEM part #17118666811 and 16400-WAA03

Features & Benefits 

• Direct Fit Replacement
• 50% increase in external surface area
• 32% increase in core volume
• 6º-8º F drop in intake air temperatures over stock
• Excellent longevity and durability
• Lightweight aluminum construction

Vehicle Fitment

Toyota Supra
• 2020-Present GR Supra Mk5 3.0L 6 cyl.
• 2020-Present GR Supra Mk5 2.0L 4 cyl.

BMW Z4
• 2019-Present G29 BMW Z4 sDrive M40i 3.0L 6 cyl., sDrive30i 2.0L 4 cyl.

BMW 3 Series
• 2019-Present G20 BMW 320i 2.0L 4 cyl., 330i, M340i, & M340iX 3.0L 6 cyl.
• 2019-Present G21 BMW 330i, 330iX, & M340iX 3.0L 6 cyl.