Oil Separation & Breather System for BMW 5 Series E60 (2004-2010)

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Every car has a crankcase vent system that is supposed to suppress oil from making it into the intake ports and combustion chamber. A good functioning system will separate oil from the atmosphere and return it to the oil pan (or collect it in a catch can) while allowing the leftover vapors to burn in the combustion chamber or recirculate through the system. This has always been known as a PCV system (Positive Crankcase Ventilation) but BMW has several other names for it - oil separator, crankcase vent (CCV), and cyclonic separator. Failures in the system will allow raw oil to enter the intake and eventually into the engine itself which can have disastrous effects on engine performance and longevity. As emissions regulations on oil and gas venting have gotten more stringent the PCV systems have gotten more complex and failure prone. And because the CCV is intertwined with other systems you could experience rough running, loss of power, higher oil consumption, misfiring, stalling, or other annoying issues. There is no replacement interval for these so we recommend inspecting your crankcase vent system as part of your regular maintenance routines. Symptoms of a bad crankcase vent are: whitish or yellowish film on the underside of the oil cap, whistling/squealing noises (not caused by a belt), suction on the oil cap that makes it hard to unscrew, large amounts of white smoke from the exhaust, and excessive oil consumption.

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Crankcase Oil Separator and Vent Hose Kit - E90 325xi/330xi, E60 525xi/530xi (Early Production)
Crankcase Oil Separator and Vent Hose Kit - E90 325xi/330xi, E60 525x...
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Packaged by Turner - Corporate Logo
T#:221962
Part#: TMS221962
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$ 458.99 USD
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The BMW N52 engine was deisgned with a crankcase vent system that relies on a heated oil separator valve to separate vapor from the liquid oil. Under ideal circumstances, the oil vapor would pass back into the intake and get burned up during normal combustion. The liquid oil would follow a path back down into the oil pan and be reused. This system is environmentally friendly but plagued with problems. The heating elements can fail or oil and carbon particles can block the oil separator valve. With no escape, the oil will continue to pool and collect in the valve cover or make its way into the combustion chamber leading to excessive oil consumption, blue smoke from the exhaust, idle and running issues. These issues are worse in colder climates where the freezing temperatures create an oil sludge condition that is impossible to clear. The plastic hoses can become brittle and crack which leads to vacuum leaks and oil leaks. Thankfully, the CCV is replaceable on the early N52 engines (2006 and some 2007 models) and should be inspected during a major service and any time the valve cover is off. Oil can also back up into the throttle body, which is easier to check than the oil separator itself. Later N52 engines do not have a serviceable oil vent as it is integrated into the valve cover and not a separate part.

This is a kit containing the oil separator, the vent hoses, and the intake manifold gaskets that are done during a typical oil separator replacement. Complete kit includes:
  • 11617531423, Genuine BMW oil separator
  • 11617559530, vent hose
  • 11157522931, oil separator hose
  • 11157567801, return hose
  • 11157537701, extraction hose
  • 11617547242, intake manifold gaskets (set of 6)
    The intake manifold must be removed to access the oil separator so new profile gaskets are included. We also recommend (but not required) a new oil separator fitting on the intake manifold because it's one of the heated elements that vaporizes the oil as it enters the intake.

    The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.

    This kit fits the following BMWs:
    -10/2005 E90 BMW 325xi 330xi - Sedan
    -10/2005 E91 BMW 325xi - Wagon
    -10/2005 E60 BMW 525xi 530xi
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    Febi Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4
    Febi Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:6707
    Part#: 11157532649
    Ships in 2 Business Days
    $ 19.12

    This product was last offered at the strikethrough price on
    05-29-2026

    $ 17.34 USD
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    $ 17.34 USD
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    ENGINE VENT HOSE 11157532649
    Return Pipe
    Return Pipe
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:372847
    Part#: 11617504536
    Ships in 2 Business Days
    $ 16.99 USD
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    $ 16.99 USD
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    Runs from the intake manifold back to connecting hose
    Oil Separator Valve
    Oil Separator Valve
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:594299
    Part#: 11617531423
    Ships in 4 Business Days
    $ 120.81 USD
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    $ 120.81 USD
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    The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.
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    OEM Rein Oil Separator Vent Hose - E60/1 E90/1 N52
    OEM Rein Oil Separator Vent Hose - E60/1 E90/1 N52
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:402020
    Part#: 11617522933
    Ships in 2 Business Days
    $ 19.99 USD
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    $ 19.99 USD
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    If your BMW has a damaged vent hose, be sure to replace it to restore functionality of this rather important emissions system.
    Crankcase Ventilation Hose
    Crankcase Ventilation Hose
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    URO - Corporate Logo
    T#:378279
    Part#: 11617533398
    Ships in 2 Business Days
    $ 21.99 USD
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    $ 21.99 USD
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    The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.
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    Crankcase Vent Hose - Cylinders 1-4
    Crankcase Vent Hose - Cylinders 1-4
    For vehicles with production date up to 11/2006
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:384973
    Part#: 11617547185
    Ships in 4 Business Days
    $ 57.99 USD
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    $ 57.99 USD
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    Should be replaced anytime leaks are detected
    Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4
    Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:375092
    Part#: 11617504536
    In Stock
    $ 19.99 USD
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    $ 19.99 USD
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    Runs from the intake manifold back to connecting hose
    BMW Breather Valve
    BMW Breather Valve
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:17339405
    Part#: 11127537733
    Ships in 2 Business Days
    $ 27.99

    This product was last offered at the strikethrough price on
    05-29-2026

    $ 19.99 USD
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    $ 19.99 USD
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    Are you experiencing a slight loss of power? This pressure regulator valve repair kit could easily be the culprit. With a bad gasket or weak spring you could be losing pressure, resulting in less power.
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    "Cold Climate" Crankcase Pressure Regulator Valve
    "Cold Climate" Crankcase Pressure Regulator Valve
    Superior performance for both warm and cold climates
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:376770
    Part#: 11617533400
    Ships in 2 Business Days
    $ 70.99

    This product was last offered at the strikethrough price on
    04-10-2026

    $ 40.99 USD
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    $ 40.99 USD
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    Commonly referred to as the "oil separator" or PCV
    Crankcase Vent Hose - From Valve Cover to Oil Separator - E46 E39 E60 X3 X5 Z3 Z4
    Crankcase Vent Hose - From Valve Cover to Oil Separator - E46 E39 E6...
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:2853
    Part#: 11611432559
    Ships in 2 Business Days
    $ 14.99 USD
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    $ 14.99 USD
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    This Crankcase Vent Hose - From Valve Cover to Oil Separator fits BMWs with the M52 or M54 6 cylinder engine including E46 323i 325i 328i 330i E39 525i 528i 530i E60 525i 530i X3 2.5i 3.0i X5 3.0i Z3 2.5 2.8 3.0i Z4 2.5i 3.0i.

    This item fits the following BMWs:
    1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi
    1999-2005 E46 BMW 325i 325ci 325xi - only with M54 engine
    1999-2003 E39 BMW 528i 528i 530i
    2004-2005 E60 BMW 525i 525xi 530i 530xi
    2004-2006 E83 BMW X3 2.5i X3 3.0i
    2000-2006 E53 BMW X5 3.0i
    1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8i Z3 3.0i
    2003-2006 E85 BMW Z4 2.5i Z4 3.0i
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    Hose - From Oil Separator to Oil Dipstick Tube - E46 E39
    Hose - From Oil Separator to Oil Dipstick Tube - E46 E39
    For use in cold climates
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:2879
    Part#: 11157532629
    Ships in 2 Business Days
    $ 10.99 USD
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    $ 10.99 USD
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    This is the updated hose that goes from the Crankcase Oil Separator Valve to the oil dipstick tube. This tube tends to get plugged with oil sludge and becomes brittle and cracks. It fits E46 323i 323ci 325i (M54) 325ci (M54) 325xi 328i 328ci 330i 330ci 330xi - E39 525i 530i - E60 525i 530i 2004-2005 - X3 2.5i 3.0i 2004-2006 - Z3 2.5i 3.0i - Z4 2.5i 3.0i 2003-2006.
    In german, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the world’s finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

    This item fits the following BMWs:
    2001-2005 E46 BMW 325i 325ci 325xi Only for cars with M54 engine
    1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi
    2001-2003 E39 BMW 525i 530i
    2004-2005 E60 BMW 525i 525xi 530i 530xi
    2004-2006 E83 BMW X3 2.5i X3 3.0i
    2001-2002 Z3 BMW Z3 2.5i Z3 3.0i
    2003-2005 Z4 BMW Z4 2.5i Z4 3.0i
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    Pressure Regulator Valve Repair Kit
    Pressure Regulator Valve Repair Kit
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:600041
    Part#: 11127547058
    Ships in 2 Business Days
    $ 14.99 USD
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    $ 14.99 USD
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    Crankcase Vent Hose - Cylinders 5-8
    Crankcase Vent Hose - Cylinders 5-8
    For vehicles with production date up to 11/2006
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:384972
    Part#: 11617547186
    Ships in 4 Business Days
    $ 59.99 USD
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    $ 59.99 USD
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    Should be replaced anytime leaks are detected
    Rein Crankcase Ventilation Hose - Cylinders 1-4
    Rein Crankcase Ventilation Hose - Cylinders 1-4
    For vehicles with updated valve cover, 11127563474
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:17738390
    Part#: 11617563476
    Ships in 4 Business Days
    $ 46.99 USD
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    $ 46.99 USD
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    Manufactured with high-quality materials to withstand heat, dirt, and debris, matching OE expectations.
    URO Crankcase Ventilation Hose - BMW M52TU M54
    URO Crankcase Ventilation Hose - BMW M52TU M54
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:377307
    Part#: 11157532649
    Ships in 2 Business Days
    $ 12.99 USD
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    $ 12.99 USD
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    From oil separator to dipstick tube
    Oil Separator Vent Hose
    Oil Separator Vent Hose
    Burgaflex - Corporate Logo
    T#:57725199
    Part#: 11617522933
    Ships in 9 Business Days
    New Item
    $ 20.99 USD
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    $ 20.99 USD
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    The Burgaflex Oil Separator Vent Hose is built to high engineering standards to withstand the harsh thermal environments of a hard-driven engine bay.
    Rein Pressure Regulator Valve Repair Kit - E53, E60, E63, E64, E65, E66, E70
    Rein Pressure Regulator Valve Repair Kit - E53, E60, E63, E64, E65, E...
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:55821694
    Part#: 11127547058
    Ships in 4 Business Days
    New Item
    $ 16.99 USD
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    $ 16.99 USD
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    This Rein Automotive repair kit allows you to service the internal components of the crankcase breather valve independently. Instead of replacing the entire, costly valve cover or manifold assembly, this kit provides the exact wear items required to rebuild the factory housing back to original operating specifications. All components are manufactured to strict OE tolerances. The diaphragm is molded from premium, oil-resistant elastomers engineered to withstand prolonged exposure to aggressive synthetic lubricants, fuel vapors, and extreme under-hood heat cycles without losing its elasticity or sealing profile.
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    Crankcase Ventilation Hose
    Crankcase Ventilation Hose
    For vehicles with a production date from 11/2006+
    Burgaflex - Corporate Logo
    T#:2721004
    Part#: 11617563477
    Ships in 9 Business Days
    $ 81.99 USD
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    $ 81.99 USD
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    Maintain peak output and protect your vehicle from engine-robbing vacuum leaks with a high-performance replacement crankcase ventilation hose from Burgaflex.
    Crankcase Vent Hose - Cylinders 5-8
    Crankcase Vent Hose - Cylinders 5-8
    For vehicles with production date up to 11/2006
    Burgaflex - Corporate Logo
    T#:641601
    Part#: 11617547186
    Ships in 9 Business Days
    $ 37.99 USD
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    $ 37.99 USD
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    This Burgaflex hose provides a seamless replacement engineered for long-term durability and reliable performance under high thermal loads.
    Genuine BMW Crankcase Ventilation Hose - Cylinders 1-4
    Genuine BMW Crankcase Ventilation Hose - Cylinders 1-4
    For vehicles with updated valve cover, 11127563474
    Genuine BMW - Corporate Logo
    T#:36550
    Part#: 11617563476
    Ships in 1-2 days
    4% off MSRP $ 136.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 130.99 USD
    Free Shipping
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    4% off MSRP
    $ 136.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 130.99 USD
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    Genuine BMW Vent Pipe - Zyl. 1-4
    This item fits the following BMW Chassis:
    E53 48IS,E53 X5,E63,E65

    Fits BMW Engines including:
    N62

    Genuine BMW Fuel System Heater Element 13717560227
    Genuine BMW Fuel System Heater Element 13717560227
    Genuine BMW - Corporate Logo
    T#:15009
    Part#: 13717560227
    Ships in 1-2 days
    4% off MSRP $ 231.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 221.99 USD
    Free Shipping
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    4% off MSRP
    $ 231.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 221.99 USD
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    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.


    Genuine BMW Heater Element
    This item fits the following BMW Chassis:
    E82 1M Coupe,E71 X6,E82,E89 Z4,E90,E92,E93,F01,F02

    Fits BMW Engines including:
    N54,N54T
     

     

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    Burgaflex Crankcase Vent Hose - Vent Valve to Oil Dip Stick Tube - E39 E46 E60 E83 Z3 Z4
    Burgaflex Crankcase Vent Hose - Vent Valve to Oil Dip Stick Tube - E3...
    Burgaflex - Corporate Logo
    T#:596606
    Part#: 11157532649
    Ships in 4 Business Days
    $ 12.99 USD
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    $ 12.99 USD
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    Maintain peak engine health and precise air-fuel control by replacing your worn or cracked factory breather assembly with a premium Burgaflex replacement.
    Burgaflex Crankcase Vent Pipe - Return Pipe from Connecting Hose - E39 E46 E53 E60 E83 Z3 Z4
    Burgaflex Crankcase Vent Pipe - Return Pipe from Connecting Hose - E3...
    Burgaflex - Corporate Logo
    T#:596611
    Part#: 11617504536
    Ships in 4 Business Days
    $ 17.99

    This product was last offered at the strikethrough price on
    09-26-2026

    $ 13.99 USD
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    $ 13.99 USD
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    Keep your vehicle running crisp and leak-free with this premium return pipe manufactured by Burgaflex.
    Engine Breather Hose
    Engine Breather Hose
    Burgaflex - Corporate Logo
    T#:57725177
    Part#: 11157522931
    Ships in 4 Business Days
    New Item
    $ 52.99 USD
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    $ 52.99 USD
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    Maintain peak engine health and keep your crankcase ventilation system operating seamlessly with this high-grade engine breather hose from Burgaflex.
    Rein Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4
    Rein Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:359420
    Part#: 11157532649
    In Stock
    $ 11.99 USD
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    $ 11.99 USD
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    ENGINE VENT HOSE 11157532649
    Burgaflex Crankcase Vent Hose - Cylinders 1-4 - E53 E63 E64 E65 E60 E66
    Burgaflex Crankcase Vent Hose - Cylinders 1-4 - E53 E63 E64 E65 E60 E...
    For vehicles with production date up to 11/2006
    Burgaflex - Corporate Logo
    T#:583521
    Part#: 11617547185
    Ships on Oct 21, 2026
    $ 46.99 USD
    Free Shipping on orders $49 and up
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    $ 46.99 USD
    Free Shipping on orders $49 and up
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    Maintain peak engine efficiency and track-ready performance by replacing degraded PCV components with the Burgaflex crankcase vent hose.
    Oil Separator Vent Hose
    Oil Separator Vent Hose
    10X Entries Into Our F80 M3 Sweepstakes
    Bremmen Parts - Corporate Logo
    T#:53326231
    Part#: 11617522933
    In Stock
    New Item
    Sale - Save 15% $ 23.99

    This product was last offered at the strikethrough price on
    09-16-2026

    $ 20.39 USD
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    Add to Wish List
    Sale - Save 15%
    $ 23.99

    This product was last offered at the strikethrough price on
    09-16-2026

    $ 20.39 USD
    Free Shipping on orders $49 and up
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    OEM Febi Crankcase Ventilation Return Hose - E60 E90 Z4 N52 3.0L
    OEM Febi Crankcase Ventilation Return Hose - E60 E90 Z4 N52 3.0L ...
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:38452821
    Part#: 11157527570
    Special Order: No Guaranteed ETA
    $ 93.99 USD
    Add to Wish List
    $ 93.99 USD
    Add to Wish List
    For your BMW's optimal performance, ensure the functionality of the hose connecting the oil dipstick to the crankcase vent valve. Positioned below the intake manifold, this hose is susceptible to clogging with oil film and condensation, leading to potential failure over time. Cracks and swelling in old hoses can result in oil and vacuum leaks, compromising engine performance.
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