Emissions System for BMW 5 Series E39 (1996-2003)

Genuine BMW Leak Detection Pump

T#:367881

Part#: 16137193479

Ships in 1 day

6% off MSRP $ 266.99

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

$ 250.99 USD

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6% off MSRP

$ 266.99

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

$ 250.99 USD

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Upgrade your BMW's fuel containment system with the Turner Motorsport Genuine BMW Leak Detection Pump. This essential component tests for vapor leaks to the atmosphere, ensuring optimal performance. A failed pump can trigger the check engine light, compromising the vehicle's efficiency.

Key Benefits:

Genuine BMW quality for precise fit and reliable performance.
Tests fuel containment system for vapor leaks.
Helps avoid triggering the check engine light.

Ensure the health of your BMW's fuel system with the Turner Motorsport Genuine BMW Leak Detection Pump.

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Genuine BMW Secondary Air Pump Hose - E39 M5

T#:37315

Part#: 11721407017

In Stock

7% off MSRP $ 86.99

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

$ 80.99 USD

Limited Qty Sale

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7% off MSRP

$ 86.99

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

$ 80.99 USD

Limited Qty Sale

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Genuine BMW Pressure Hose Assy
This item fits the following BMW Chassis:
E39 M5,E39

Fits BMW Engines including:
S62

Genuine BMW Crank Case Breather Pipe - E38 M62 4.4L, E39 M62 4.4L ...

For vehicles with production date from 09/1998

T#:6691

Part#: 11151705301

Ships in 1 day

2% off MSRP $ 51.99

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

$ 50.99 USD

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2% off MSRP

$ 51.99

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$ 50.99 USD

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E38,E39

Fits BMW Engines including:
M62

Genuine BMW Crankcase Pressure Regulator Valve

For vehicles with production date from 09/1998

T#:367709

Part#: 11617501566

Ships in 1 day

6% 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.

$ 96.99 USD

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6% 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.

$ 96.99 USD

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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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Upper Oil Separator Vent Tube

2X Entries Into Our F80 M3 Sweepstakes

T#:552486

Part#: 11617533399

Ships in 1 day

$ 35.99 USD

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$ 35.99 USD

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Runs from the top of the oil separator up to rear of the intake manifold.

Genuine BMW Oxygen Sensor

For vehicles with production date up to 4/1998. 2 used in the exhaust manifold, 2 locat...

T#:367737

Part#: 11781427884

Ships in 1 day

6% off MSRP $ 445.99

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

$ 418.99 USD

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6% off MSRP

$ 445.99

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

$ 418.99 USD

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Genuine BMW Crankcase Ventilation Hose

For vehicles with production date from 09/1998

T#:367590

Part#: 11157532649

Ships in 1 day

$ 39.99 USD

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$ 39.99 USD

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Genuine BMW Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

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

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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

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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 Secondary Air Pump - Pressure Hose - E39 525i 528i 530i ...

T#:7049

Part#: 11721435456

Ships in 1 day

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

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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

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Genuine BMW Pressure Hose Assy -
This item fits the following BMW Chassis:
E39

Fits BMW Engines including:
M52,M54

Genuine BMW CCV Connector

For vehicles with production date up to 09/1998

T#:32260

Part#: 11151747976

Ships in 3 Business Days

6% off MSRP $ 47.99

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

$ 44.99 USD

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6% off MSRP

$ 47.99

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

$ 44.99 USD

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Genuine BMW Connector -
This item fits the following BMW Chassis:
E34,E38,E39

Fits BMW Engines including:
M60,M62

Genuine BMW Crank Case Vent Valve Kit - E31 840Ci, E38 740i/iL, E39 5...

T#:377891

Part#: 11617501563KT1

Ships in 1 day

$ 137.99

This product was last offered at the strikethrough price on
09-03-2026

$ 135.99 USD

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$ 135.99 USD

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Genuine BMW Crankcase Ventilation Hose

For use in cold climates

T#:19233

Part#: 11617533398

Ships in 1 day

$ 47.99 USD

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$ 47.99 USD

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Genuine BMW ENGINE VENT PIPE

Genuine BMW Secondary Air pump valve - E39 528i Z3 2.5i 2.8 3.0i 2.5 ...

T#:19353

Part#: 11727540472

Ships in 1 day

2% off MSRP $ 194.99

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

$ 190.99 USD

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$ 194.99

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$ 190.99 USD

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VALVE 11727540472

AIR PUMP CHECK VALVE
Fits BMWs:

Genuine BMW Oil Separator Valve - E38 740i 740iL M62, E39 540i M62 ...

For vehicles with production date from 09/1998

T#:12627

Part#: 11151705272

Ships in 1 day

5% off MSRP $ 76.99

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

$ 72.99 USD

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5% off MSRP

$ 76.99

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

$ 72.99 USD

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Genuine BMW Oil Separator -
This item fits the following BMW Chassis:
E38,E39

Fits BMW Engines including:
M62

Secondary Air Valve - E39 M5, E36 318i M44, Z3 1.9

T#:5509

Part#: 11721433713

Ships in 1 day

2% off MSRP $ 243.99

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

$ 237.99 USD

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2% off MSRP

$ 243.99

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$ 237.99 USD

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This secondary air shut off valve helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.

This is also one of the main causes of carbon build-up in the E39 M5 secondary air system. This shut-off valve can allow exhaust gas to blow back into the system where it accumulates. Regular replacement of this part will help prevent that build-up.

This item fits the following BMWs:
1996-1998 E36 BMW 318i 318is 318ti 318ic with M44 engine
1997-2003 E39 BMW M5
1996-1998 Z3 BMW Z3 1.9
2000-2003 E52 BMW Z8 Roadster

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Vacuum Hose - E39

T#:63389

Part#: 34331165496

Ships in 3 Business Days

$ 32.99 USD

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$ 32.99 USD

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Genuine BMW Vacuum Hose -
This item fits the following BMW Chassis:
E39

Genuine BMW Oil Separator Kit - E39 540i

For vehicles with production date up to 09/1998

T#:376836

Part#: 11151747066KT

Back Ordered

$ 306.99 USD

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$ 306.99 USD

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The hoses and oil separator can crack or become faulty, leading to vacuum leaks or oil leaks. This is caused by the stress the plastic components are exposed to during heating and cooling cycles, especially if the vehicle is not brought up to operating temperature during driving in cold weather climates.

This kit includes the needed hoses, oil separator, mounting grommet, and hardware.

Fits the following BMWs:
1996-09/1998 E39 BMW 540i

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Vapor Canister Purge Valve Hose - E39

T#:43697

Part#: 13901707939

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

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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

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E39

Fits BMW Engines including:
M52

Genuine BMW Bracket Activated Carbon Con - 11611705171

T#:36352

Part#: 11611705171

Ships in 6 Business Days

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

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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

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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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Vacuum Hose - E39

T#:62401

Part#: 34301163638

Special Order: No Guaranteed ETA

4% off MSRP $ 27.99

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

$ 27.00 USD

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4% off MSRP

$ 27.99

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

$ 27.00 USD

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Genuine BMW Vacuum Hose -
This item fits the following BMW Chassis:
E39

Genuine BMW Fuel Pressure Regulator Vacuum Line - E39 M5

T#:41966

Part#: 13531407568

Special Order: No Guaranteed ETA

2% off MSRP $ 103.99

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

$ 101.99 USD

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2% off MSRP

$ 103.99

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

$ 101.99 USD

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Genuine BMW Vacuum Pipe
This item fits the following BMW Chassis:
E39 M5,E39

Fits BMW Engines including:
S62

Return Pipe - E39

T#:36147

Part#: 11537830558

Ships in 6 Business Days

3% off MSRP $ 224.99

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

$ 217.99 USD

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3% off MSRP

$ 224.99

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

$ 217.99 USD

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Genuine BMW Return Pipe
This item fits the following BMW Chassis:
E39 M5,E39

Fits BMW Engines including:
S62

Vacuum Pipe - E39

T#:45164

Part#: 16131184233

Ships in 6 Business Days

4% off MSRP $ 46.99

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

$ 44.99 USD

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4% off MSRP

$ 46.99

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

$ 44.99 USD

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Genuine BMW Vacuum Pipe -
This item fits the following BMW Chassis:
E39

Fits BMW Engines including:
M52

Crankcase Oil Separator Valve - E46 E39 E60 X3 X5 Z3 Z4

We Price Match - Give Us A Call or Chat!

T#:2855

Part#: 11617501566

Ships on Dec 23, 2026

$ 48.99 USD

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$ 48.99 USD

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This Crankcase Oil Separator Valve fits BMWs with the M52tu 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. It is fairly common for this valve to become plugged with sludge which can create rough idle and excessive oil consumption.
Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

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 525i 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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Bremmen Crankcase Oil Seperator Valve - E38 E39 M62 4.4L

10X Entries Into Our F80 M3 Sweepstakes

T#:640156

Part#: 11151705272

Special Order: No Guaranteed ETA

Sale - Save 16% $ 34.99

This product was last offered at the strikethrough price on
05-03-2026

$ 29.47 USD

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Sale - Save 16%

$ 34.99

This product was last offered at the strikethrough price on
05-03-2026

$ 29.47 USD

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BMW has an issue with oil separators freezing in cold weather if the engine is not fully warmed up during driving. Common symptoms are a howling noise followed by oil leaks. Crankcase breather valve used to purge the oil vapor from the engine block into the valve cover. This valve has 4 hoses connected to it, running to the dipstick, valve cover, and air intake.

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Pierburg EGR Valve - E39

For vehicles with production date from 09/1998

T#:377257

Part#: 11727540468

Special Order: No Guaranteed ETA

$ 147.99 USD

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$ 147.99 USD

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Be sure to pass emission checks with a new check valve

Vacuum Control Valve - E36 E39 E46 E53 E65 E66 E70 E83 E90

2X Entries Into Our F80 M3 Sweepstakes

T#:24179138

Part#: 11747810831

Back Ordered

$ 23.99 USD

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Qty

$ 23.99 USD

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Vacuum control valve used in emissions control systems.

Turner Oil Separator Valve Service Kit - E39 M5

10X Entries Into Our F80 M3 Sweepstakes

T#:555299

Part#: 11151406788KT3

Back Ordered

$ 326.99

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

$ 325.99 USD

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Qty

$ 325.99 USD

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The rubber hoses and oil separator can crack or become faulty, leading to vacuum leaks or oil leaks. This is caused by the stress the components are exposed to during heating and cooling cycles, especially if the vehicle is not brought up to operating temperature during driving in cold weather climates.

This kit includes the needed hoses, oil separator, mounting grommet, and hardware.

Fits the following BMWs:
1998-2003 E39 BMW M5

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Bosch Leak Diagnosis Pump - E39, E46, Z3

For vehicles with production date up to 09/2001

T#:377059

Part#: 16136756440

Back Ordered

$ 221.99

This product was last offered at the strikethrough price on
05-07-2026

$ 202.11 USD

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$ 202.11 USD

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Located under the vehicle, near the transmission bellhousing or in the rear.

Pierburg Emission Air Pump - E39 528i

T#:371802

Part#: 11721427911

Back Ordered

$ 213.99

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

$ 213.75 USD

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Qty

$ 213.75 USD

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Vaico Oil Separator Valve - E38, E39

For vehicles with production date from 09/1998

We Price Match - Give Us A Call or Chat!

T#:363292

Part#: 11151705272

In Stock

Sale - Save 25% $ 31.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.87 USD

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Qty

Sale - Save 25%

$ 31.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.87 USD

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Connects to the vent tube which is attached to the PCV valve

Crankcase Ventilation Hose

For vehicles with production date from 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:30629689

Part#: 11157532649

In Stock

Sale - Save 24% $ 15.99

This product was last offered at the strikethrough price on
05-03-2026

$ 12.23 USD

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Qty

Sale - Save 24%

$ 15.99

This product was last offered at the strikethrough price on
05-03-2026

$ 12.23 USD

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Genuine BMW Mounting Grommet

Up to Model Year 09/1998

T#:360723

Part#: 13411733217

In Stock

$ 17.86 USD

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Qty

$ 17.86 USD

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Bremmen Crankcase Ventilation Hose - E39 E53 E60 E83 E46

For vehicles with production date from 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:640147

Part#: 11611432559

In Stock

Sale - Save 22% $ 23.99

This product was last offered at the strikethrough price on
05-03-2026

$ 18.76 USD

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Qty

Sale - Save 22%

$ 23.99

This product was last offered at the strikethrough price on
05-03-2026

$ 18.76 USD

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Crankcase Vent Hose - From Valve Cover to Oil Separator - Fit BMWs with the M52 or M54 6 cylinder engine

Oil Separator Kit - Level 1

10X Entries Into Our F80 M3 Sweepstakes

T#:15710823

Part#: E46M5411_61KT

In Stock

Sale - Save 24% $ 123.99

This product was last offered at the strikethrough price on
05-03-2026

$ 93.71 USD

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Qty

Sale - Save 24%

$ 123.99

This product was last offered at the strikethrough price on
05-03-2026

$ 93.71 USD

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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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BMW Crankcase Pressure Regulator Valve

2X Entries Into Our F80 M3 Sweepstakes

T#:46478579

Part#: ABH0263

In Stock

$ 23.99 USD

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Qty

$ 23.99 USD

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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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Air Adjustment Unit/DISA Valve Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15677538

Part#: 11617533344-KT

In Stock

Sale - Save 25% $ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD

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Qty

Sale - Save 25%

$ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD

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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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OEM BMW Engine Rubber Mounting 11727559515

2X Entries Into Our F80 M3 Sweepstakes

T#:13041

Part#: 11727559515

In Stock

$ 6.99

This product was last offered at the strikethrough price on
05-07-2026

$ 4.79 USD

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$ 4.79 USD

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OEM BMW RUBBER MOUNTING:116095

Oil Separator - Crankcase Ventilation System

For vehicles with production date from 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:8741202

Part#: 11151705272B

In Stock

Sale - Save 17% $ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 19.07 USD

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Qty

Sale - Save 17%

$ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 19.07 USD

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BMW has an issue with oil separators freezing in cold weather if the engine is not fully warmed up during driving. Common symptoms are a howling noise followed by oil leaks. Crankcase breather valve used to purge the oil vapor from the engine block into the valve cover. This valve has 4 hoses connected to it, running to dipstick, valve cover, air intake.

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Elring Crank Case Vent Valve Gasket - M60 M62

2X Entries Into Our F80 M3 Sweepstakes

T#:362757

Part#: 11611729728

In Stock

$ 7.13

This product was last offered at the strikethrough price on
06-03-2026

$ 6.11 USD

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$ 6.11 USD

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This gasket seals the PCV valve to the valve cover. If this leaks, you maybe experience poor running conditions or check engine lights. Replace your leaking seal with a new Elring gasket to ensure long lasting reliability.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW engines:
M60 3.0L 4.0L
M62 4.4L

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Victor Reinz O-Ring - E32, E34, E38, E39

T#:592731

Part#: 07119906360

In Stock

$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD

Limited Qty Sale

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Qty

$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD

Limited Qty Sale

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If this gasket fails it can cause oil leaks and other issues. Replace it at any sign of failure!

Profile-gasket 11611729728

T#:18889

Part#: 11611729728

In Stock at Vendor

$ 4.99

This product was last offered at the strikethrough price on
04-06-2026

$ 3.99 USD

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Qty

$ 3.99 USD

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PROFILE-GASKET 11611729728 Manufactured by Reinz

Oil Separator Valve

5X Entries Into Our F80 M3 Sweepstakes
5X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:22064588

Part#: AS819M

In Stock

$ 41.99

This product was last offered at the strikethrough price on
05-03-2026

$ 31.99 USD

Limited Qty Sale

Add to Wish List

Qty

$ 41.99

This product was last offered at the strikethrough price on
05-03-2026

$ 31.99 USD

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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.

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Non-Return Valve

2X Entries Into Our F80 M3 Sweepstakes

T#:56977985

Part#: 11611312737

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$ 12.99 USD

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$ 12.99 USD

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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

Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4

For vehicles with production date from 09/1998

2X Entries Into Our F80 M3 Sweepstakes

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

Febi Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...

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T#:6707

Part#: 11157532649

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$ 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

Secondary Air Pump

2X Entries Into Our F80 M3 Sweepstakes

T#:639230

Part#: 11721433959

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$ 234.59 USD

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$ 234.59 USD

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Common source of emissions related issues

Crankcase Vent Hose - From Valve Cover to Oil Separator - E46 E39 E6...

For vehicles with production date from 09/1998

2X Entries Into Our F80 M3 Sweepstakes

T#:2853

Part#: 11611432559

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$ 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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Sealing Grommet

T#:45137

Part#: 16131183912

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$ 7.99 USD

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$ 7.99 USD

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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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URO Crankcase Ventilation Hose - BMW M52TU M54

For vehicle with a production date from 09/1998

2X Entries Into Our F80 M3 Sweepstakes

T#:377307

Part#: 11157532649

Ships in 1 Business Day

$ 12.99 USD

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$ 12.99 USD

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From oil separator to dipstick tube

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Emissions System for BMW 5 Series E39 (1996-2003)

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