CSF BMW G-Chassis B58/B48/B46 High-Performance Heat Exchanger

G-Series High-Performance Heat Exchanger (CSF #8154)Significantly Reduces Intake Air Temperature (IAT) for Maximum Performance (with Faster Heat Soak Recovery)Improves Air Flow to the Rest of the Cooling System for Both Lower Engine Water and Engine Oil Temperatures2-Row, 42mm Ultra High Performance Core6.5mm Tall Multi-Louvered Fin with CSF’s Exclusive B-Tube TechnologyCNC Machined Mounting Brackets and OEM Style “Quick Connect” Inlet/Outlet100% All Aluminum TIG-Welded ConstructionIncludes Rock Guard & Transmission Oil Cooler Mounting Kit (Industry Exclusive)“Drop-in” Fit2-Year Limited Warranty1-Hour “Mirror Finish” Hand PolishTested and Proven by CSF’s Global Network of R&D Partners, Including Leading Time Attack Teams, Tuners, and Turbo Kit ManufacturersFits:2020+ Toyota Supra (A90/A91)& 2018+ BMW Models:G29 Z4 20i, 30i & M40iG20 3-Series (320i, 330i, 330iX, M340i, M340iX)G21 3-Series Touring (330i, 330iX, M340iX)OEM#: 16400-WAA03 & 17118666811Fitment GuideYearModelSub-ModelChassis CodeEngine Code18-20320iSedanG20B48D18-20320iSedanG20B46D18-20320i 1.6SedanG20B4818-20330eSedanG20B48X18-20330i(X)SedanG20B48D18-20330i(X)SedanG20B46D18-20M340i(X)SedanG20B58D18-20330i(X)TouringG21B48D18-20M340iXTouringG21B58D18-20Z4 20iRoadsterG29B48D18-20Z4 20iRoadsterG29B46D18-20Z4 30iRoadsterG29B48D18-20Z4 30iRoadsterG29B46D18-20Z4 M40iRoadsterG29B58C18-20Z4 M40iRoadsterG29B58D