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The CSF race-spec dual-pass oil cooler boasts a range of features, including a unique top/bottom dual-pass design that replaces the OEM unit's single-pass design and plastic shroud, resulting in maximum surface area and flow. Plus, it requires no modifications to install and accepts factory oil-line connections, making it a hassle-free "drop-in fit". This is the ultimate oil cooler upgrade for your E46 M3 or E39 M5 race car!
The oil cooler's fully TIG-welded extruded-endtank design is far superior in reliability and durability when compared to the OEM mechanically jointed and tack-welded design. It fits perfectly with the contour of the OEM bumper, with no issues when attaching aftermarket splitters.
The turbulated heavy-duty bar/plate design offers the most reliable and durable oil cooler available for your BMW platform. It features 8 rows of maximum cooling with a high density multi-louvered fin pitch design. The CSF Dual-pass Oil Cooler is designed to work with OEM radiator brackets or CSF's all-aluminum triple-pass radiator (CSF #7058).
Finally, the oil cooler's motorsport silver finish adds a sleek and stylish look to your BMW, and its OEM #17212228942 ensures it is the perfect fit for your vehicle.