Emissions System for BMW X Series E53 (2000-2006)

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

For vehicles with production date from 09/1998

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T#:2855

Part#: 11617501566

Ships on Oct 1, 2026

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

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T#:24179138

Part#: 11747810831

Back Ordered

$ 23.99 USD

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$ 23.99 USD

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Vacuum control valve used in emissions control systems.

Profile-gasket 11611729728

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T#:18889

Part#: 11611729728

In Stock

$ 4.99

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

$ 4.07 USD

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PROFILE-GASKET 11611729728 Manufactured by Reinz

OEM BMW Engine Rubber Mounting 11727559515

For vehicles with production date up to 10/2003

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T#:13041

Part#: 11727559515

In Stock

$ 6.99

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

$ 4.71 USD

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$ 4.71 USD

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OEM BMW RUBBER MOUNTING:116095

Rein - Crank Case Vent Valve (CCV) E53 X5, E52 Z8

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T#:33980389

Part#: 11617508541

In Stock

$ 32.99

This product was last offered at the strikethrough price on
06-10-2026

$ 29.99 USD

Limited Qty Sale

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$ 32.99

This product was last offered at the strikethrough price on
06-10-2026

$ 29.99 USD

Limited Qty Sale

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Located on the intake manifold this valve is engineered to reduce internal pressure, minimize the risk of oil leaks, and help your engine run more efficiently

Elring Crank Case Vent Valve Gasket - M60 M62

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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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Bosch Oxygen Sensor - Left Bank - E53

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T#:13055

Part#: 11787524530

In Stock

$ 162.67 USD

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$ 162.67 USD

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BMW LAMBDA MONITOR SENSOR Oxygen Sensor

Bav Auto Upper Oil Separator Vent Tube - E36 E46 E60 E84 Z3 Z4 M54 M5...

For vehicles with production date up to 10/2003

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T#:640502

Part#: 11617504535

In Stock

Sale - Save 20% $ 24.99

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

$ 19.99 USD

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$ 24.99

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$ 19.99 USD

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Runs from the top of the oil separator up to rear of the intake manifold. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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BMW Crankcase Pressure Regulator Valve

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T#:46478579

Part#: ABH0263

In Stock

$ 23.99 USD

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$ 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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Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm) - Priced Eac...

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T#:637408

Part#: 028092ECS11AKT

In Stock

Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-14-2026

$ 2.99 USD

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$ 3.99

This product was last offered at the strikethrough price on
06-14-2026

$ 2.99 USD

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Upgrade your exhaust system with the Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm). This high-quality weld bung is made from stainless steel, ensuring durability and resistance to corrosion. It features M18x1.5mm threads, making it compatible with most oxygen sensors. Perfect for custom exhaust setups or replacing damaged bungs, this weld bung is a must-have for any automotive enthusiast.

Made from high-quality stainless steel for durability and corrosion resistance
M18x1.5mm threads ensure compatibility with most oxygen sensors
Ideal for custom exhaust setups or replacing damaged bungs
Essential for automotive enthusiasts looking to upgrade their exhaust system

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Oil Separator Hose - E46, Z4

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T#:579880

Part#: 55080

In Stock

Sale - Save 20% $ 24.99

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

$ 19.99 USD

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$ 24.99

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05-03-2026

$ 19.99 USD

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Cold climate version for extra insulation! Fits all E46 and Z4 chassis equipped with an M54 engine.

Bremmen Crankcase Ventilation Hose - E39 E53 E60 E83 E46

For vehicles with production date up to 10/2003

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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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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

80 Piece Vacuum Cap Assortment

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T#:641955

Part#: TIT45252

In Stock

$ 14.99 USD

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$ 14.99 USD

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Great for capping unused vacuum lines.

Oil Separator - Crankcase Ventilation System

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T#:8741203

Part#: 11151705237

In Stock

Sale - Save 44% $ 15.99

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

$ 9.00 USD

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Sale - Save 44%

$ 15.99

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

$ 9.00 USD

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Critical crankcase ventilation cyclone separator - great replacement or custom install! Failure of the oil separator commonly causes problems related to smoking or a check engine light. Featuring an approximately ¾” air inlet/outlet and ½” oil drain outlet, this oil separator/CCV commonly found in custom installations on many vehicles.

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1.5mm X 51mm Metric Buna-N 70 O-ring

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T#:388889

Part#: N1.50X051

In Stock

Sale - Save 25% $ 5.99

This product was last offered at the strikethrough price on
06-13-2026

$ 4.49 USD

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$ 5.99

This product was last offered at the strikethrough price on
06-13-2026

$ 4.49 USD

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1.5mm X 51mm Metric Buna-N 70 O-ring is the perfect sealing solution for various industrial applications. Made from high-quality Buna-N material, this O-ring provides reliable sealing performance, ensuring leak-free connections. With its metric sizing and 70 durometer hardness, it offers versatility and durability for a wide range of uses.

High-quality Buna-N material
Reliable sealing performance
Metric sizing for versatility
70 durometer hardness for durability

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Universal Vortex Breather Catch Can

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T#:587831

Part#: 034-101-4000

Ships in 2 Business Days

Sale - Save 10% $ 153.00

This product was last offered at the strikethrough price on
06-28-2026

$ 137.70 USD

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Qty

Sale - Save 10%

$ 153.00

This product was last offered at the strikethrough price on
06-28-2026

$ 137.70 USD

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Crankcase Vent Hose - Cylinders 1-4

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T#:384973

Part#: 11617547185

Ships in 3 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

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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

Crankcase Ventilation Hose

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T#:378279

Part#: 11617533398

Ships in 1 Business Day

$ 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 5-8

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T#:384972

Part#: 11617547186

Ships in 3 Business Days

$ 59.99 USD

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$ 59.99 USD

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Should be replaced anytime leaks are detected

Pressure Regulator Valve Repair Kit

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T#:600041

Part#: 11127547058

Ships in 1 Business Day

$ 14.99 USD

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$ 14.99 USD

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Rein Crankcase Ventilation Hose - Cylinders 1-4

For vehicles with updated valve cover, 11127563474

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T#:17738390

Part#: 11617563476

Ships in 3 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.

Secondary Air Injection Pump

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T#:639220

Part#: 11721437911

Ships in 1 Business Day

$ 130.66 USD

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$ 130.66 USD

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Keep your engine running efficiently

Febi Oil Separator - E53

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T#:363700

Part#: 11151705237

In Stock at Vendor

$ 21.99

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

$ 20.99 USD

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$ 20.99 USD

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Critical crankcase ventilation cyclone separator - great replacement or custom install!

BMW Breather Valve

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T#:17339405

Part#: 11127537733

In Stock at Vendor

$ 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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Bosch Oxygen Sensor - Right Bank - E53

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T#:13051

Part#: 11787506539

In Stock at Vendor

$ 142.38 USD

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$ 142.38 USD

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BMW LAMBDA MONITOR SENSOR - Bosch BMW Oxygen Sensor

Pierburg Secondary Air Injection Pump - E53

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T#:591851

Part#: 11721437911

In Stock at Vendor

$ 223.77

This product was last offered at the strikethrough price on
05-04-2026

$ 164.71 USD

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$ 164.71 USD

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Keep your engine running efficiently

Pierburg Air Pump Control Valve - E53

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T#:369787

Part#: 11727540471

In Stock at Vendor

$ 130.99

This product was last offered at the strikethrough price on
03-30-2026

$ 130.96 USD

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$ 130.96 USD

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Located on the cylinder head, allows air to enter into the exhaust

Oil Separator

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T#:555633

Part#: 11151705237

Ships in 1 Business Day

$ 10.99

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

$ 9.99 USD

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$ 9.99 USD

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Critical crankcase ventilation cyclone separator - great replacement or custom install!

"Cold Climate" Crankcase Pressure Regulator Valve

For vehicles with production date from 10/2003

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T#:376770

Part#: 11617533400

Ships in 1 Business Day

$ 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

Oil Return Hose

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T#:592793

Part#: 11157560068

Ships in 1 Business Day

$ 9.99 USD

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$ 9.99 USD

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Hose that attaches between the crankcase vent and the oil return pipe

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

For vehicles with production date up to 10/2003

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T#:2853

Part#: 11611432559

Ships in 1 Business Day

$ 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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Return Pipe

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T#:372847

Part#: 11617504536

Ships in 1 Business Day

$ 16.99 USD

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$ 16.99 USD

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Runs from the intake manifold back to connecting hose

Genuine BMW Secondary Air Pump Hose - E53 M54 3.0L

For vehicles with a production date from 10/2003

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T#:37415

Part#: 11727510956

Ships in 1 day

5% off MSRP $ 81.99

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

$ 77.99 USD

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5% off MSRP

$ 81.99

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

$ 77.99 USD

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Genuine BMW Suction Pipe -
This item fits the following BMW Chassis:
E53 X5

Fits BMW Engines including:
M54

Genuine BMW Emission Control-Air Valve - E38 740i M62 740iL M62 E39 5...

For vehicles with production date from 09/1998

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T#:367723

Part#: 11721707619

Ships in 1 day

2% off MSRP $ 226.99

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

$ 222.99 USD

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2% off MSRP

$ 226.99

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

$ 222.99 USD

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Tubing Support

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T#:7377

Part#: 16131177494

Ships in 1 day

$ 4.99 USD

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Qty

$ 4.99 USD

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Genuine BMW Tubing Support
This item fits the following BMW Chassis:
E36 M3,E46 M3,E70 X5M,E71 X6M,E82 1M Coupe,E53 48IS,E34,E36,E38,E39,E46,E53 X5 X5,E70 X5,E71 X6,E82,E90,E92,E93,F15

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Genuine BMW Crankcase Ventilation Hose - Cylinders 1-4

For vehicles with updated valve cover, 11127563474

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T#:36550

Part#: 11617563476

Ships in 1 day

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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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 Secondary Air Pump Hose - E53 M54 3.0L

For vehicles with a production date from 10/2003

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T#:37414

Part#: 11727510955

Ships in 4 Business Days

4% off MSRP $ 52.99

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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4% off MSRP

$ 52.99

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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Genuine BMW Pressure Hose Assy -
This item fits the following BMW Chassis:
E53 X5

Fits BMW Engines including:
M54

Pierburg Air Pump Control Valve - E53, E60, Z4

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T#:379003

Part#: 11727553067

Ships in 1 day

$ 144.02 USD

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$ 144.02 USD

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Located on the cylinder head, allows air to enter into the exhaust

Spacer Sleeve

Chrome-Free Cr(Vi)

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T#:44364

Part#: 16117195118

Ships in 1 day

6% off MSRP $ 15.99

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

$ 14.99 USD

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6% off MSRP

$ 15.99

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

$ 14.99 USD

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Genuine BMW Spacer Sleeve
This item fits the following BMW Chassis:
E39 M5,E60 M5,E63 M6,E46 M3,E36,E38,E39,E46,E53 X5 X5,E63,E65,F06,F10,F12,F13,F25 X3,F26 X4 X4

Genuine BMW Oxygen Sensor - E53 X5

Right

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T#:408098

Part#: 11787530735

Ships in 5 Business Days

15% off MSRP $ 406.99

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

$ 346.99 USD

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15% off MSRP

$ 406.99

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

$ 346.99 USD

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Genuine BMW Secondary Air Injection Hose - Filter to Pump - E53 X5 ...

For vehicles with production date up to 09/2003

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T#:37336

Part#: 11721438105

Ships in 7 Business Days

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.

$ 26.99 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.

$ 26.99 USD

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Genuine BMW Hose -
This item fits the following BMW Chassis:
E53 X5

Fits BMW Engines including:
M54

Oil Separator Valve

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T#:22064593

Part#: AS826M-D851

Ships on Jul 28, 2026

$ 62.99 USD

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$ 62.99 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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Pierburg EGR Valve - E38, E39, E53

For vehicles with production date from 09/1998

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:373954

Part#: 11721707619

Ships on Jul 28, 2026

$ 104.99 USD

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$ 104.99 USD

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Be sure to pass emission checks with a new check valve

OEM Febi Vacuum Control Valve - BMW E & F Chassis

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T#:38452808

Part#: 11740396414

Special Order: No Guaranteed ETA

$ 64.99 USD

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$ 64.99 USD

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Ensure optimal performance in your BMW with a new Vacuum Control Valve. This solenoid-operated vacuum control switch is a crucial component used in various applications throughout your vehicle. Designed to meet the high standards of BMW parts, this valve ensures reliable operation and compatibility with your BMW model.

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Meyle Oxygen Sensor - Post-Catalytic - E36 318i M44, E38 750il, E53 X...

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T#:5973263

Part#: 11781739845

Special Order: No Guaranteed ETA

$ 88.99 USD

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$ 88.99 USD

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This direct-fit Meyle oxygen sensor (lambda sensor) plugs directly into your factory connector. Fits M44 engine 318i/is/ic and e38 750il M73N engine, and X5 4.4i 4.6is with M62 engine. No cutting or splicing is required. A new oxygen sensor can improve driveability and lengthen engine life. This is the post-catalytic converter oxygen sensor

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Meyle Oxygen Sensor - Post-Cat - E46 E39 X3 X5 Z3 Z4

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T#:5944219

Part#: 11781433940

Special Order: No Guaranteed ETA

$ 78.99 USD

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$ 78.99 USD

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This is the post-cat oxygen sensor for cylinders 4-6 for BMW E46 E39 X3 X5 Z3 Z4. This item fits the following BMWs: 1999-3/2003 E46 BMW 323i 323ci 325xi 328i 328ci 330i 330ci 330xi 2001-3/2003 E46 BMW 325i 325ci only for cars with M54 engine 1999-2003 E39 BMW 528i 525i 530i 2004-2006 E83 BMW X3 2.5 - Bank 1 Only 2004-2006 E83 BMW X3 3.0i - Bank 1 - Automatic Transmission Only 2000-2006 E53 BMW X5 3.0i 1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 2003-2006 E85 BMW Z4 2.5i Z4 3.0i

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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:47439371

Part#: 02SB1815

Ships on Feb 2, 2027

Sale - Save 39% $ 3.99

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

$ 2.44 USD

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Sale - Save 39%

$ 3.99

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

$ 2.44 USD

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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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