CSF has taken up the task of upgrading the power steering cooling. If the power steering fluid gets too warm, it could lead to excess strain and wear to the steering rack. This unit has 6 cooling cores and still fits in the stock location without any issues.
Fits the following BMW:
2006-2012 E9X BMW 325i/xi 328i/xi 330i/xi M3
2007-2013 E82/E88 BMW 128i