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Hi all,
Just bought an '08 135i with an N54, and will be predominantly used as a track car.
I'm told that the Oil Cooler is not upto the task and needs an upgrade, and that the ER Dual Oil Cooler kit is a must.
As it's pretty expensive for an oil cooler, is there anything else out there worth looking into? Or can I put a better core on the existing setup? Does the 1M have a different setup?
FWIW I will be leaving the power output mostly stock, will do dump pipes, IC and MHD tune at a later stage.
Cheers
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