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(E46) 2005 BMW 330i (E46)
Technology in Red
High-flow 3-1/2" diameter stainless steel piping for improved power and quicker turbo spool
Dual-Pass Core Configuration with 2-Stage Water Cooling for Maximum Efficiency and Intake Temperature Reduction
CSF Cooling - Racing & High Performance Division BMW F8X M3/M4/M2C Auxiliary Radiators w/Rock Guards (Sold Individually Fits Left and Right) 8258 3519 (E46) 2005 BMW 330i (E46)Like the other cooling systems on the F8X, the factory auxiliary radiators do a pretty good job in stock form. However, once you start adding a lot of power and pushing the car in aggressive driving conditions, the factory systems start to show its limitations. As more and more owners have pushed the limits of their S55, CSF saw the need and demand. The F8X platform is also almost a decade old with the newest examples being at least 5 years old. Over