Emissions System for BMW 3 Series E46 (1999-2005)

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Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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Oxygen Sensor - Priced Each
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URO - Corporate Logo
T#:35863157
Part#: 11781742050
In Stock
$ 49.99 USD
Free Shipping on orders $49 and up
This direct fit oxygen sensor plugs directly into your factory connector. It is the pre-cat sensor. No cutting or splicing required. A new oxygen sensor can improve driveability and lengthen engine life. It fits BMW E46 E39 E38 X3 X5 Z3 Z4. Bosch # 13 477.

This item fits the following BMWs:
1999-3/2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330xi 330ci
1999-2003 E39 BMW 525i 528i 530i M5
1997-2003 E39 BMW 540i
1995-2001 E38 BMW 750il
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
2000-2003 E53 BMW X5 4.4i 4.6is
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
2000-2003 E52 BMW Z8
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Genuine BMW - Corporate Logo
T#:13043
Part#: 11727831039
In Stock
2% off MSRP $ 41.99

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

$ 40.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 41.99

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

$ 40.99 USD
Free Shipping on orders $49 and up


Genuine BMW Pressure Hose Assy
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54

Genuine BMW - Corporate Logo
T#:13024
Part#: 11617503666
In Stock
$ 23.99 USD
Free Shipping on orders $49 and up


Genuine BMW Hose Elbow -
This item fits the following BMW Chassis:
E39,E46,E53 X5,E83 X3,E85

Fits BMW Engines including:
M54


Fuel Tank Breather Valve
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URO - Corporate Logo
T#:591935
Part#: 13901433603
Ships in 1 Business Day
$ 49.99 USD
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Valve between charcoal canister and throttle body

Engine Oil Separator Package - Level 2 - E46 325, E39 525i M54 ...
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Packaged by Turner - Corporate Logo
T#:24344785
Part#: M54OILSEPKT
In Stock
Sale - Save 35% $ 177.99

This product was last offered at the strikethrough price on
11-07-2026

$ 115.41 USD
Free Shipping on orders $49 and up
Sale - Save 35%
$ 177.99

This product was last offered at the strikethrough price on
11-07-2026

$ 115.41 USD
Free Shipping on orders $49 and up
If you need to perform a complete oil separator system service, this Level 2 kit provides you with all of the main components necessary to service your engine oil separator system. This Level 2 kit includes the following: Oil Separator Hose from oil separator to dipstick tube Hose from oil separator to valve cover Hose from intake manifold back to the connector hose Hose from oil separator up to the intake manifold Throttle body gasket Throttle body inlet boot ICV rubber grommet Oil dipstick tube o-ring seal It is highly recommended to replace the oil dipstick tube with the updated design by BMW as this also a common place for sludge to build up.
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Genuine BMW - Corporate Logo
T#:13028
Part#: 11617533399
In Stock
2% off MSRP $ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up
GENUINE BMW CONNECTING LINE:111060

Genuine BMW - Corporate Logo
T#:348236
Part#: 11617504536
In Stock
2% off MSRP $ 43.99

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

$ 42.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 43.99

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

$ 42.99 USD
Free Shipping on orders $49 and up

Part of the vacuum and emissions system that runs from the intake manifold back to the connecting hose.
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.

Fits the following BMW's:
E46 M52 (from 01/2000) and M54
E39 M52 (from 01/2000) and M54
E53 M54
E60 M54
E83 M54
Z3 M52 (up to 01/2000 for 2.3L and from 01/2000 for 2.8L) and M54
Z4 M54

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Genuine BMW - Corporate Logo
T#:12911
Part#: 11157831311
Ships in 1 day
2% off MSRP $ 102.99

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

$ 100.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 102.99

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

$ 100.99 USD
Free Shipping on orders $49 and up
This hose directs the oil & combustion vapors from the valve cover and directs them to the intake manifold where they are put through combustion again in order to reduce emissions. We recommend replacing this hose when replacing the oil separator #11157840446.

This item fits the following BMWs:
2001-2004 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
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Rein M52 M54 Upper Oil Separator Vent Tube (CCV) - 11617504535 - E46,...
For vehicles with production date from 01/2000
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Rein - Corporate Logo
T#:378292
Part#: 11617504535
In Stock
$ 22.99 USD
Free Shipping on orders $49 and up
$ 22.99 USD
Free Shipping on orders $49 and up
Runs from the top of the oil separator up to intake manifold.

Genuine BMW - Corporate Logo
T#:367705
Part#: 11611432559
Ships in 1 day
$ 47.99 USD
Free Shipping on orders $49 and up
$ 47.99 USD
Free Shipping on orders $49 and up
Secondary Air Pump To Valve Hose - E46
For vehicles with production date up to 03/2003
Genuine BMW - Corporate Logo
T#:7062
Part#: 11727555680
Ships in 1 day
3% off MSRP $ 37.99

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

$ 36.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 37.99

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

$ 36.99 USD
Free Shipping on orders $49 and up
The secondary air system helps to reduce emissions by pumping fresh air into the exhaust system ahead of the catalytic converter. As the air is heated it helps to combust the un-burned fuel coming from the engine as well as bring the catalytic converters up to operating temperature sooner. This hose connects the secondary air pump to the seconadary air pump with the secondary air valve.

This item fits the following BMWs:
1999-2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
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Leak Detection Pump
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URO - Corporate Logo
T#:15445597
Part#: 16136756440
In Stock
$ 153.99 USD
Free Shipping on orders $49 and up
Leak detection pump tests fuel containment system for vapor leaks to atmosphere. Failed pump often turns on check engine light.


Pierburg - Corporate Logo
T#:362205
Part#: 11747810831
In Stock
$ 74.99

This product was last offered at the strikethrough price on
07-09-2026

$ 42.19 USD
Free Shipping on orders $49 and up
$ 42.19 USD
Free Shipping on orders $49 and up

This electric valve serves one of several purposes depending on which car it is used on. Please read the application listings below to ensure you are purchasing the correct part. 

Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.


This item fits the following BMWs:
Secondary Air System Valve
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1999-3/2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
2003-2005 E46 BMW 325i 325ci (M56)
1997-2003 E39 BMW 525i 528i 530i 
2000-2006 E53 BMW X5 3.0i 
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 
1997-2000 Z3 BMW M Roadster M Coupe (S52)

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Suction Pump
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URO - Corporate Logo
T#:377591
Part#: 11617545382
In Stock
$ 59.62

This product was last offered at the strikethrough price on
11-07-2026

$ 53.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 59.62

This product was last offered at the strikethrough price on
11-07-2026

$ 53.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
A common source for vacuum leaks
Genuine BMW - Corporate Logo
T#:348228
Part#: 11157532629
Ships in 1 day
$ 39.99 USD
Free Shipping on orders $49 and up
$ 39.99 USD
Free Shipping on orders $49 and up

Upper Oil Separator Vent Tube
For vehicles with production date from 01/2000
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URO - Corporate Logo
T#:362022
Part#: 11617504535
Ships in 1 Business Day
$ 20.99 USD
Free Shipping on orders $49 and up
$ 20.99 USD
Free Shipping on orders $49 and up
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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Pressure Hose
For vehicles with production date from 03/2003
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URO - Corporate Logo
T#:585279
Part#: 11727555681
Back Ordered
$ 43.99 USD
Free Shipping on orders $49 and up
$ 43.99 USD
Free Shipping on orders $49 and up
Pressure hose for the secondary air pump system. This hose runs from the secondary air pump to the solenoid.
Crankcase Pressure Regulator Valve
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URO - Corporate Logo
T#:373032
Part#: 11617501566
Ships in 1 Business Day
$ 25.99 USD
Free Shipping on orders $49 and up
$ 25.99 USD
Free Shipping on orders $49 and up
Commonly referred to as the "oil separator" or PCV

Rein Vent Hose - 11157513756 - E46 325i 325Ci
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Rein - Corporate Logo
T#:594296
Part#: 11157513756
Ships in 3 Business Days
$ 35.75

This product was last offered at the strikethrough price on
08-13-2026

$ 30.99 USD
Free Shipping on orders $49 and up
$ 30.99 USD
Free Shipping on orders $49 and up
Connects the intake manifold to the valve cover
Genuine BMW - Corporate Logo
T#:367590
Part#: 11157532649
Ships in 1 day
$ 39.99 USD
Free Shipping on orders $49 and up
$ 39.99 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:37434
Part#: 11727553059
Ships in 1 day
$ 39.99 USD
Free Shipping on orders $49 and up


Genuine BMW Suction Hose -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M54,M56


Genuine BMW - Corporate Logo
T#:19233
Part#: 11617533398
Ships in 1 day
$ 47.99 USD
Free Shipping on orders $49 and up
$ 47.99 USD
Free Shipping on orders $49 and up
Genuine BMW ENGINE VENT PIPE
Genuine BMW Upper Oil Separator Vent Tube
For vehicles with production date from 01/2000
Genuine BMW - Corporate Logo
T#:7025
Part#: 11617504535
Ships in 1 day
2% off MSRP $ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up


Genuine BMW Connecting Line -
This item fits the following BMW Chassis:
E39,E46,E53 X5,E83 X3,E85

Fits BMW Engines including:
M52,M54

Genuine BMW E46 M52 Activated Charcoal Filter - 16131183893
This is only the Charcoal Filter (does not come with pump)
Genuine BMW - Corporate Logo
T#:20709
Part#: 16131183893
Ships in 1 day
3% off MSRP $ 456.99

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

$ 441.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 456.99

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

$ 441.99 USD
Free Shipping on orders $49 and up

Genuine BMW E46 M52 Activated Charcoal Filter is a vital component for maintaining air quality and reducing harmful emissions in BMW vehicles. Engineered to BMW's exacting standards, this charcoal filter effectively captures pollutants and odors from the vehicle's ventilation system. Upgrade your BMW E46 with this genuine BMW activated charcoal filter for cleaner air and a healthier driving environment.

  • Maintains air quality and reduces emissions
  • Engineered to BMW's exacting standards
  • Effectively captures pollutants and odors
  • Improves ventilation system efficiency
  • Genuine BMW quality


Genuine BMW Activated Charcoal Filter -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M52

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Rein - Corporate Logo
T#:552486
Part#: 11617533399
Ships in 1 day
$ 35.99 USD
Free Shipping on orders $49 and up
Runs from the top of the oil separator up to rear of the intake manifold.
Genuine BMW - Corporate Logo
T#:19447
Part#: 16131183906
Ships in 1 day
3% off MSRP $ 369.99

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

$ 357.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 369.99

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

$ 357.99 USD
Free Shipping on orders $49 and up


Genuine BMW Activated Charcoal Filter
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
N51,S54

Genuine BMW - Corporate Logo
T#:37437
Part#: 11727555681
Ships in 1 day
2% off MSRP $ 54.99

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

$ 53.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 54.99

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

$ 53.99 USD
Free Shipping on orders $49 and up


Genuine BMW Pressure Hose Assy -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M54,M56


Genuine BMW - Corporate Logo
T#:43685
Part#: 13901437611
Ships in 1 day
2% off MSRP $ 43.99

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

$ 42.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 43.99

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

$ 42.99 USD
Free Shipping on orders $49 and up


Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M52


Genuine BMW - Corporate Logo
T#:36352
Part#: 11611705171
Ships in 1 day
3% off MSRP $ 30.99

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

$ 29.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 30.99

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

$ 29.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket Activated Carbon Container -
This item fits the following BMW Chassis:
E39,E46,E53 X5,E83 X3,E85

Fits BMW Engines including:
M52,M54

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Genuine BMW - Corporate Logo
T#:42005
Part#: 13531437282
Ships in 7 Business Days
3% off MSRP $ 39.99

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

$ 38.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 39.99

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

$ 38.99 USD
Free Shipping on orders $49 and up


Genuine BMW Vacuum Pipe -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M52


Vacuum Control Valve - E36 E39 E46 E53 E65 E66 E70 E83 E90
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URO - Corporate Logo
T#:24179138
Part#: 11747810831
Ships in 1 Business Day
$ 27.99 USD
Free Shipping on orders $49 and up
Vacuum control valve used in emissions control systems.
Oil Separator Kit - Level 1
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Packaged by Turner - Corporate Logo
T#:15710823
Part#: E46M5411_61KT
In Stock
Sale - Save 40% $ 124.99

This product was last offered at the strikethrough price on
11-07-2026

$ 74.97 USD
Free Shipping on orders $49 and up
Sale - Save 40%
$ 124.99

This product was last offered at the strikethrough price on
11-07-2026

$ 74.97 USD
Free Shipping on orders $49 and up
Replace all the components of the oil separator system together to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable. BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. 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. ur Level 1 kit includes the following; Oil separator Hose from oil separator to dipstick tube Hose from oil separator to valve cover Hose from intake manifold back to the connector hose Hose from oil separator up to the intake manifold
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Cold Climate Oil Separator Kit - Level 2
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Packaged by Turner - Corporate Logo
T#:15744065
Part#: 114317400450-KT
In Stock
Sale - Save 44% $ 231.99

This product was last offered at the strikethrough price on
06-15-2026

$ 128.81 USD
Free Shipping on orders $49 and up
Sale - Save 44%
$ 231.99

This product was last offered at the strikethrough price on
06-15-2026

$ 128.81 USD
Free Shipping on orders $49 and up
If you are ready to perform a truly complete oil separator system service, our Level 2 kit provides you with all of our Level 1 kit components plus a throttle body gasket, throttle body inlet boot, ICV grommet, and dipstick tube o-ring. Our Level 2 Cold Climate kit includes the following: Oil separator - BMW cold climate recommended Hose from oil separator to dipstick tube - BMW cold climate recommended Hose from oil separator to valve cover Hose from intake manifold back to the connector hose Hose from oil separator up to the intake manifold Throttle body gasket Throttle body inlet boot ICV rubber grommet Oil dipstick tube o-ring seal It is highly recommended to replace the oil dipstick tube with the updated design by BMW as this also a common place for sludge to build up.
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Rein - Corporate Logo
T#:46478579
Part#: ABH0263
In Stock
$ 23.99 USD
Free Shipping on orders $49 and up
$ 23.99 USD
Free Shipping on orders $49 and up
BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. 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. Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.
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OEM BMW Engine Rubber Mounting 11727559515
For vehicles with production date up to 03/2003
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URO - Corporate Logo
T#:13041
Part#: 11727559515
In Stock
$ 4.79 USD
Free Shipping on orders $49 and up
$ 4.79 USD
Free Shipping on orders $49 and up
OEM BMW RUBBER MOUNTING:116095
URO Parts Non-Return Valve - 11611312737 - E36, E46, E34, E39, E24, E...
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URO - Corporate Logo
T#:56977985
Part#: 11611312737
In Stock
New Item
$ 12.99 USD
Free Shipping on orders $49 and up
Keep your BMW's vacuum and secondary air injection systems operating with complete efficiency under all driving conditions using this URO Parts non-return valve


Crankcase Ventilation Hose - E46 M3 Z3M Coupe S54
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URO - Corporate Logo
T#:25109076
Part#: 11157831311
Ships on Dec 7, 2026
$ 17.99 USD
Free Shipping on orders $49 and up

This hose runs from the oil separator to the intake manifold and is designed to allow the recirculation of built-up oil vapors.

Due to its proximity to engine heat, this hose tends to get brittle and break as it ages. This can lead to oil leaks, vacuum leaks, misfires, and more.

If your crankcase ventilation hose is brittle or leaking, replace it with this unit from URO Parts.

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Air Adjustment Unit/DISA Valve Kit
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Packaged by Turner - Corporate Logo
T#:15677538
Part#: 11617533344-KT
In Stock
Sale - Save 40% $ 162.99

This product was last offered at the strikethrough price on
11-07-2026

$ 97.70 USD
Free Shipping on orders $49 and up
Sale - Save 40%
$ 162.99

This product was last offered at the strikethrough price on
11-07-2026

$ 97.70 USD
Free Shipping on orders $49 and up
A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes. If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage. Very easy to replace, just need to undo the 4 bolts holding it to the intake manifold. Includes new mounting hardware
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Rein - Corporate Logo
T#:34181269
Part#: 11157831311
Back Ordered
$ 11.99 USD
Free Shipping on orders $49 and up

Crankcase Vent Hose ABV0329 is an essential component designed for BMW engines, ensuring optimal performance of the crankcase ventilation system. This high-quality vent hose plays a critical role in regulating and redirecting excess gases from the crankcase back into the engine's intake, reducing harmful emissions and preventing pressure buildup. Crankcase Vent Hose ABV0329 helps maintain engine efficiency and protects against potential damage caused by over-pressurization or oil leaks.

Made from durable, heat-resistant materials, this hose is built to withstand the high temperatures and pressures common in BMW engines. It is a direct-fit replacement, making installation simple and efficient for both professionals and DIY mechanics. Available from Turner Motorsport, Crankcase Vent Hose ABV0329 is the perfect solution for restoring and maintaining your BMW’s crankcase ventilation system.

Key Benefits:

  • Ensures proper crankcase ventilation for optimal engine performance
  • Reduces harmful emissions by redirecting excess gases into the intake
  • Prevents pressure buildup and protects against oil leaks
  • Constructed from durable, heat-resistant materials for long-lasting reliability
  • Direct-fit replacement, ensuring easy installation for various BMW models
  • Available from Turner Motorsport, a trusted source for BMW performance parts
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Crankcase Ventilation Hose
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URO - Corporate Logo
T#:378279
Part#: 11617533398
Ships in 1 Business Day
$ 21.99 USD
Free Shipping on orders $49 and up
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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Rein - Corporate Logo
T#:384805
Part#: 11611440317
Ships in 3 Business Days
$ 20.30 USD
Free Shipping on orders $49 and up
Return Pipe
For vehicles with production date from 01/2000
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URO - Corporate Logo
T#:372847
Part#: 11617504536
Ships in 1 Business Day
$ 16.99 USD
Free Shipping on orders $49 and up
$ 16.99 USD
Free Shipping on orders $49 and up
Runs from the intake manifold back to connecting hose

Pressure Hose
For vehicles with production date up to 03/2003
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URO - Corporate Logo
T#:372643
Part#: 11727555680
Ships in 1 Business Day
$ 17.99 USD
Free Shipping on orders $49 and up
$ 17.99 USD
Free Shipping on orders $49 and up
Runs from the air pump to the solenoid valve
Rein Return Pipe - 11617504536 - E46, E39, E60, E83, E53
For vehicles with production date from 09/1998 For vehicles with production date from 01/2000
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:375092
Part#: 11617504536
In Stock at Vendor
$ 19.99

This product was last offered at the strikethrough price on
10-22-2026

$ 13.99 USD
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$ 13.99 USD
Free Shipping on orders $49 and up
Runs from the intake manifold back to connecting hose

URO Crankcase Ventilation Hose - BMW M52TU M54
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:377307
Part#: 11157532649
Ships in 1 Business Day
$ 12.99 USD
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$ 12.99 USD
Free Shipping on orders $49 and up
From oil separator to dipstick tube

Genuine BMW - Corporate Logo
T#:45137
Part#: 16131183912
In Stock
$ 9.99

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

$ 7.99 USD
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$ 7.99 USD
Free Shipping on orders $49 and up


Genuine BMW Sealing Grommet
This item fits the following BMW Chassis:
E39 M5,E46 M3,E70 X5M,E71 X6M,E82 1M Coupe,E85 Z4M,E38,E39,E46,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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Crankcase Vent Hose - From Valve Cover to Oil Separator - E46 E39 E6...
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:2853
Part#: 11611432559
Ships in 1 Business Day
$ 14.99 USD
Free Shipping on orders $49 and up
$ 14.99 USD
Free Shipping on orders $49 and up
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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Rein M52 M54 Cold Climate Crankcase Ventilation Dipstick Hose (CCV) -...
For use in cold climates
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:2879
Part#: 11157532629
In Stock at Vendor
$ 10.99 USD
Free Shipping on orders $49 and up
$ 10.99 USD
Free Shipping on orders $49 and up
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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Crankcase Ventilation Dipstick Hose - BMW M52TU M54
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:359570
Part#: 11157532629
Ships in 1 Business Day
$ 12.99 USD
Free Shipping on orders $49 and up

This tube runs from the oil separator to the lower dipstick tube.

 

BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. 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.

Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.

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Genuine BMW - Corporate Logo
T#:32270
Part#: 11157513756
Ships in 1 day
$ 148.91 USD
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Genuine BMW Vent Hose -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M56