Can't tell for sure, but if your routing has "low points" in your hoses, then this presents a possible problem with fumes condensing and liquid building up in those low points and constricting, and possibly blocking, crankcase venting. This would be a deeply suboptimal situation.
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2011 335d 11.68 @ 125.71 mph 1/4 mile NHRA certified track
Ram Cummins with lots-o-mods
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