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GENUINE BMW Crankcase Vent Hose - 11-15-7-553-949

GENUINE BMW Crankcase Vent Hose - 11-15-7-553-949

GENUINE BMW
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UGC 11-15-7-553-949
$82.07 - $82.07
$82.07
$82.07 - $82.07
$82.07
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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GENUINE BMW

Crankcase Vent Hose

This product also goes by these part numbers: 11 15 7 553 949, 11157553949, 11-15-7-553-949

This part also goes by the following cross reference.

Cross Reference Part Number: 11157553949

Fits These Vehicles 10 applications
BMW
Make Model Engine Years
BMW Z4 3.0L6 2009–2016
BMW 335is 3.0L6 2011–2013
BMW 1 Series M 3.0L6 2011–2011
BMW 535i xDrive 3.0L6 2009–2010
BMW 535i 3.0L6 2008–2010
BMW 335i xDrive 3.0L6 2009–2010
BMW 335i 3.0L6 2007–2010
BMW 135i 3.0L6 2008–2010
BMW 535xi 3.0L6 2008–2008
BMW 335xi 3.0L6 2007–2008

Fitment data last updated: 2026-06-30

Fits 10 vehicle applications Check vehicle fitment before ordering View fitment

About this Crankcase Ventilation (PCV)

The GENUINE BMW 11-15-7-553-949 is part of the crankcase ventilation (PCV) system, which routes gases that escape past the pistons back into the intake to be burned, and separates oil out of them. When the system fails, crankcase pressure and oil consumption can rise quickly.

Frequently asked questions

What does the crankcase ventilation system do?

It relieves pressure inside the engine by drawing blow-by gases back into the intake, while an oil separator or valve keeps oil out of the intake. Correct crankcase pressure protects seals and gaskets.

What are the signs of a failed PCV valve or oil separator?

A whistling or howling noise at idle, rough idle, lean-running fault codes, higher oil consumption, oil leaks from seals, blue smoke, or suction at the oil filler cap strong enough to hold the cap down.

What should I replace along with it?

Crankcase vent hoses become brittle with heat and age, so inspect and replace cracked hoses and fittings at the same time. On many European engines, the valve cover and separator are serviced together.

Can I replace PCV components myself?

Many parts are accessible with basic tools, though some separators sit under the intake manifold. Handle old plastic fittings carefully, as they can break during removal.

How do I make sure this crankcase ventilation part fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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