Pierburg Emissions System

OEM Pierburg Oxygen Sensor - BMW M52 S52

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

T#:47164963

Part#: 11781427884

In Stock

$ 289.99

This product was last offered at the strikethrough price on
01-02-2026

$ 210.20 USD

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$ 210.20 USD

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A new oxygen sensor set can improve driveability and lengthen engine life. Ultimately, you achieve a smoother running engine that is more fuel efficient. Feedback from the oxygen sensors provides closed-loop control of the injected quantity of fuel for optimum air-fuel mixture, enabling virtually complete combustion to take place. Contaminants in gas and certain atmospheric conditions can drastically shorten the life of any oxygen sensor, therefore they should be checked with every periodic maintenance and changed if necessary. Sold separately, but four sensors are required. Fits E36 front and rear, M Roadster / Coupe front to 2000. Bosch Part # 13 884. Also replaces 11781437943. This item fits the following BMWs: 1996-1999 E36 BMW 323is 323ic 328i 328is 328ic M3 1997-1998 E39 BMW 528i 1998-2002 Z3 BMW Z3 M Roadster M coupe

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EGR Pressure Converter - BMW E70 xDrive 35d M57

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

T#:25109079

Part#: 11747805391

In Stock at Vendor

$ 150.99 USD

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$ 150.99 USD

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Part of the vacuum control system for your EGR system, this part can result in a check engine light when it fails.

Oxygen Sensor - Priced Each

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

T#:21966015

Part#: 11787537984

Ships on Oct 20, 2026

$ 170.99 USD

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$ 170.99 USD

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If your vehicle has a bad oxygen sensor, chances are it may cause you to fail an emissions check. Replace bad oxygen sensors and eliminate those codes.

Electric Valve - For Secondary Air System Or Exhaust Flap

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

T#:362205

Part#: 11747810831

In Stock

$ 85.99

This product was last offered at the strikethrough price on
03-23-2026

$ 50.23 USD

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$ 50.23 USD

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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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Secondary Air Pump - E46 E53 E60 E63 E83

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

T#:362211

Part#: 11727571589

In Stock

$ 393.85

This product was last offered at the strikethrough price on
03-23-2026

$ 358.99 USD

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$ 358.99 USD

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This secondary air pump 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 item fits the following BMWs:
3/2003-2005 E46 BMW 325i 325ci 325xi 330i 330ci 330xi
2004-2005 E60 BMW 525i 530i
2004-2010 E60 BMW 545i M5
2004-2011 E63 BMW 645ci M6
10/2003-2006 E53 BMW X5 3.0i
2004-2005 E83 BMW X3 3.0i

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Pierburg Air Pump Control Valve (EGR) - E46, E83

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

T#:19278

Part#: 11727553066

In Stock

Sale - Save 21% $ 108.11

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

$ 85.90 USD

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Sale - Save 21%

$ 108.11

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

$ 85.90 USD

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OEM BMW ENGINE VALVE

OEM Pierburg Vacuum Pump - MINI N12B16 R55/56/57

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

T#:393596

Part#: 11667570813

In Stock

$ 164.99 USD

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$ 164.99 USD

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Mounts to the upper side of the engine head

Pierburg Secondary Air Pump - E39

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

T#:377256

Part#: 11721433959

In Stock at Vendor

$ 439.61

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

$ 435.50 USD

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$ 435.50 USD

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Common source of emissons related issues

Pierburg Secondary Air Pump - E46

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

T#:362210

Part#: 11727553056

Ships in 1 day

$ 328.99 USD

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$ 328.99 USD

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This secondary air pump fits BMW E46 323i 323ci 325i (m54) 325ci (m54) 325xi 328i 328ci 330i 330ci thru 2003, 330xi thru 2005. This part 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 item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
2001-3/2003 E46 BMW 325i 325ci - only with M54 engine
2001-2005 E46 BMW 325ci Convertible 325xi
2001-3/2003 E46 BMW 330i 330ci
2001-2005 E46 BMW 330xi

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Pierburg Air Pump - E90, E92, E93

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

T#:380844

Part#: 11727838313

Ships in 1 day

$ 432.38 USD

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$ 432.38 USD

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An essential part of your vehicle's emissions system

Pierburg Air Pump Control Valve - E36, Z3

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

T#:373728

Part#: 11727540466

Ships in 1 day

$ 136.69 USD

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$ 136.69 USD

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Reduces emissions on cold starts

Secondary Air Injection Control Valve

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

T#:594680

Part#: 11727557909

Ships in 1 day

$ 157.58 USD

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$ 157.58 USD

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Controls the flow of clean air into your exhaust manifold

Pierburg Secondary Air Pump - E38 E53 M62

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

T#:378281

Part#: 11721707585

Ships in 7 Business Days

$ 402.97

This product was last offered at the strikethrough price on
12-24-2025

$ 402.96 USD

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$ 402.96 USD

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Clear trouble codes and prevent a failed emissions check

Pierburg EGR Valve - E39

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

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

Pierburg Emission Air Pump - E39 528i

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

T#:371802

Part#: 11721427911

Back Ordered

$ 213.99 USD

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$ 213.99 USD

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Secondary Air Pump - E36 318i w M44 engine, Z3 1.9

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

T#:7046

Part#: 11721433818

In Stock at Vendor

$ 631.99

This product was last offered at the strikethrough price on
03-23-2026

$ 571.99 USD

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$ 571.99 USD

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This secondary air pump 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.
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:
1996-1998 E36 BMW 318i 318is 318ti 318ic with M44 engine
1996-1998 Z3 BMW Z3 1.9

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Pierburg Secondary Air Valve

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

T#:373991

Part#: 11727837456

In Stock at Vendor

$ 268.15

This product was last offered at the strikethrough price on
03-23-2026

$ 234.10 USD

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$ 234.10 USD

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Also known as an EGR valve

Pierburg Secondary Air Injection Pump - E53

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

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

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

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

Secondary Air Injection Control Valve - Cylinder 1-4

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

T#:594700

Part#: 11727838028

In Stock at Vendor

$ 150.04 USD

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$ 150.04 USD

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This is the secondary air pump valve for E9x M3 with the S65 V8 engine. Over time carbon builds up inside the secondary air pump valve causing it not to close properly. This failure to close properly can allow exhaust and moisture to get past the valve and enter the secondary air pump, leading to premature pump failure.

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Secondary Air Injection Pump

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

T#:594702

Part#: 11727513890

In Stock at Vendor

$ 438.06

This product was last offered at the strikethrough price on
12-31-2025

$ 422.38 USD

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$ 422.38 USD

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Replacement Secondary Air Injection Pump from Pierburg

Pierburg Air Pump Control Valve - E53, E60, Z4

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

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

Pierburg Secondary Air Pump - E83, Z4

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

T#:379001

Part#: 11727571591

Ships in 1 day

$ 315.05 USD

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$ 315.05 USD

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Common source of emissons related issues

Pierburg EGR Valve - E38, E39, E53

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

Oxygen Sensor - Priced Each

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

T#:21966016

Part#: 11780872674

Special Order: No Guaranteed ETA

$ 91.99 USD

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$ 91.99 USD

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Pierburg Vacuum Pump - BMW N52 3.0L

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

T#:380841

Part#: 11667519457

Special Order: No Guaranteed ETA

$ 225.99 USD

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$ 225.99 USD

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If your vacuum pump is noisy then it is only a matter of time before it fails, leading to idling issues and a loss of braking power. Replace yours with this OEM Pierburg Vacuum Pump to ensure the smooth operation of the vacuum system.

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Oxygen Sensor - Priced Each

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

T#:22064620

Part#: 11781247406

Special Order: No Guaranteed ETA

$ 55.99 USD

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$ 55.99 USD

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Pierburg Secondary Air Pump Check Valve - BMW E39, Z3

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

T#:25109075

Part#: 11727540472

Special Order: No Guaranteed ETA

$ 76.99 USD

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$ 76.99 USD

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This air pump check valve prevents exhaust gases from entering the air injection system. If the air injection check valve develops issues, then the check engine light can illuminate. This issue will cause your vehicle to release more emissions and potentially damage the AIR system. Replace your old malfunctioning valve to get your car emissions compliant again.

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Sub-Categories

OEM Pierburg Oxygen Sensor - BMW M52 S52

EGR Pressure Converter - BMW E70 xDrive 35d M57

Oxygen Sensor - Priced Each

Electric Valve - For Secondary Air System Or Exhaust Flap

Secondary Air Pump - E46 E53 E60 E63 E83

Pierburg Air Pump Control Valve (EGR) - E46, E83

OEM Pierburg Vacuum Pump - MINI N12B16 R55/56/57

Pierburg Secondary Air Pump - E39

Pierburg Secondary Air Pump - E46

Pierburg Air Pump - E90, E92, E93

Pierburg Air Pump Control Valve - E36, Z3

Secondary Air Injection Control Valve

Pierburg Secondary Air Pump - E38 E53 M62

Pierburg EGR Valve - E39

Pierburg Emission Air Pump - E39 528i

Secondary Air Pump - E36 318i w M44 engine, Z3 1.9

Pierburg Secondary Air Valve

Pierburg Secondary Air Injection Pump - E53

Pierburg Air Pump Control Valve - E53

Secondary Air Injection Control Valve - Cylinder 1-4

Secondary Air Injection Pump

Pierburg Air Pump Control Valve - E53, E60, Z4

Pierburg Secondary Air Pump - E83, Z4

Pierburg EGR Valve - E38, E39, E53

Oxygen Sensor - Priced Each

Pierburg Vacuum Pump - BMW N52 3.0L

Oxygen Sensor - Priced Each

Pierburg Secondary Air Pump Check Valve - BMW E39, Z3

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