The CSF 8042 is a race-spec transmission and oil cooler for 2007-2015 BMW E9X 335i, E9X M3, and E84 X1 xDrive35i, running about 30 percent more efficiently than the OEM unit. It works as a DCT transmission cooler on automatic cars or an engine oil cooler on 6-speed manual cars. It uses a dual-pass core built from a 1-row super-high-pressure 22mm 11-channel microtube with a high-density multi-louvered fin design, offering 20 percent more surface contact and 11 cooling tubes versus the OEM 10-tube unit. It is a drop-in fit that accepts all OEM oil-line connections and mounting brackets.
- Type: race-spec transmission / engine oil cooler
- Core: dual-pass, 1-row 22mm 11-channel microtube
- Fins: high-density multi-louvered, 20 percent more surface contact
- Function: DCT trans cooler (automatic) or engine oil cooler (6MT)
- Efficiency: about 30 percent more efficient than OEM
- Fitment: drop-in, accepts OEM oil lines and brackets
- Part number: 8042
Vehicle Applications
Direct fit on the following:
- 2007 BMW 335i (E9X)
- 2008 BMW 335i (E9X)
- 2009 BMW 335i (E9X)
- 2010 BMW 335i (E9X)
- 2011 BMW 335i (E9X)
- 2012 BMW 335i (E9X)
- 2013 BMW 335i (E9X)
- 2008 BMW M3 (E9X)
- 2009 BMW M3 (E9X)
- 2010 BMW M3 (E9X)
- 2011 BMW M3 (E9X)
- 2012 BMW M3 (E9X)
- 2013 BMW M3 (E9X)
- 2013 BMW X1 xDrive35i (E84)
- 2014 BMW X1 xDrive35i (E84)
- 2015 BMW X1 xDrive35i (E84)
FAQ
What vehicles does the CSF 8042 fit?
The 2007-2013 BMW 335i (E9X), 2008-2013 M3 (E9X), and 2013-2015 X1 xDrive35i (E84).
Is it a transmission cooler or an oil cooler?
Both. It works as a DCT transmission cooler on automatic cars and an engine oil cooler on 6-speed manual cars.
How much more efficient is it than OEM?
About 30 percent more efficient, with 11 cooling tubes versus the OEM 10-tube design.
Is it a drop-in fit?
Yes. It accepts all OEM oil-line connections and mounting brackets.
