CSF BMW B58/B48 Front Mount Heat Exchanger w/ rock guard (Triple-pass)

B58 High-Performance Heat Exchanger (CSF #8131 / 8131B)

*CSF #8131/8131B

***Product Update October 2019 Production*** CSF's pursuit of cooling perfection continues with improvements to The Ultimate BMW B58 High Performance Heat Exchanger. As of October 2019, CSF has released a new and improved "Version 2.0" of the BMW B58 Heat Exchanger. Improvements include the following three (3) key updates:

• Upgraded Inlet/Outlet Design with New Tapered Entry and Exit Points from End Tanks, Resulting in Optimised Water Flow and Increased Performance (Matches OEM Spec)*
• After Extensive Wind-Tunnel, Dynamometer (Rolling-Road Test), and Field Testing, CSF Engineers Have Improved the Core Spec from Version 1's 68mm 2-Row Core with 8mm Fin Height to Version 2's Ultra-Efficient 42mm 2-Row Core, with CSF's B-Tube Technology