Oil Separator Hose, Rein - Oil Separator to Intake, Rein - E53 X5 4.4/4.6is M62TU

OEM-type crankcase vent hose for E53 X5 V8 replaces BMW part #11157556838

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Price:
$16.99

This vent hose runs from the oil separator on the M62TU engine used in 1999-2003 E53 X5 4.4i and 4.6is engines. The crankcase vent system is responsible for separating oil from the air inside the engine and air intake. Liquid oil is returned to the oil pan while oil vapors are sent to the intake manifold to be burned up during the combustion cycle. It's also known as a a PCV, CCV, oil separator, and a cyclonic separator system. Too much oil in the intake air lowers the effective fuel octane, leads to drivability issues, and causes increased emissions. A completely blocked CCV has the potential for very serious engine failure (hydrolock) if liquid oil ends up in the intake. Signs of a failing CCV include: whistling noises in the intake, blueish smoke in the exhaust, high oil consumption, and thick white or yellow gunk under the oil cap.

This is a X5 crankcase vent hose manufactured by Rein (CRP) Automotive - an original supplier to BMW for many engine components. As an OEM, Rein meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

BMW Fitments:
X5 Series
E53 X5 (00-06) > X5 4.4i M62 (99-03)
E53 X5 (00-06) > X5 4.6is M62
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