CSF B58 HIGH-PERFORMANCE HEAT EXCHANGER - F3X 340i | G2X M340i | F3X 440i | F2X M240i

B58 High-Performance Heat Exchanger (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 optimized 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, and 6.5mm multi-louvered fin height. *Increase of 15% more cooling tubes used in the core vs. V1 design for better surface area contact and heat dissipation.Results in optimized airflow through the hea