Oil Catch Can For Gen 2 B58 BMW G05 X5 40i & G06 X6 40iKeep Oil Out of your G Chassis B58 X5 X6 BMW Air Intake System! It's no secret that turbo BMW motors can suffer from oil control problems causing the oil to blow through and coat the intercooler and charge piping, gunking up intake valves and the VANOS system, lowering the effective octane, and generally degrading engine performance. The higher your boost levels the more apparent these problems become. The solution to this problem has finally arrived.