The BMW N54 engine has common control issues. We have designed a complete catch can kit that eliminates these control issues. On the vented crankcase oil blows through the intercooler and charge pipe and lines the valves with excess oil vapours and other crud shouldn't be there. Its even made worse by a remap on these cars and the higher Boost pressure you run the worse this problem becomes. We have a complete machined billet steel catch can from a dingle billet piece and not welded like other catch cans. Its is very compact design and size with a complete fitting bracket that can be mounted in various parts of the engine bay. Usually people attach this to the strut brace on the 335i. It also comes complete with a set of silicone hoses for the 335i N54. We have Black Blue and Red hoses available. The catch tank has decent capacity and we recommend emptying the tank every 4 months.
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