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BMW emissions system hardware plays a crucial role in reducing harmful pollutants, ensuring compliance with emissions regulations, and maintaining optimal engine efficiency. This category includes essential components such as oxygen sensors, EGR valves, catalytic converter brackets, mounting hardware, and exhaust clamps. Over time, emissions system hardware can wear out, corrode, or fail due to heat exposure, carbon buildup, or exhaust leaks, leading to issues such as reduced fuel efficiency, increased emissions, check engine lights, or failed emissions tests. Common problems include loose or broken mounting brackets, clogged EGR valves, and failing O2 sensors, which can negatively impact engine performance and emissions control. Replacing worn or damaged BMW emissions system hardware with high-quality, OEM or aftermarket parts restores proper exhaust function, reduces emissions, and ensures compliance with environmental standards.

This category contains parts that fit the following chassis:

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Crankcase Ventilation Hose

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

T#:35357256

Part#: 11157848340

In Stock

Sale - Save 21% $ 54.99

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

$ 43.24 USD

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Qty

Sale - Save 21%

$ 54.99

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

$ 43.24 USD

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Genuine BMW Valve Zyl. 1-5 - 11727837096 -E60 M5,E63 M6

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

T#:37474

Part#: 11727837096

Ships in 2 Business Days

3% 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.

$ 188.99 USD

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3% 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.

$ 188.99 USD

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The EGR valve in your engine controls the amount of exhaust gas recirculated in your engine depending on the engine load. The failure of one can result in loss of power, reduced acceleration, and decreased fuel efficiency.

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Genuine BMW Crankcase Ventilation Hose

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

T#:528022

Part#: 11157848340

Ships in 2 Business Days

5% off MSRP $ 108.99

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

$ 103.99 USD

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Qty

5% off MSRP

$ 108.99

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

$ 103.99 USD

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This ventilation connecting pipe guides the gases in the PCV system back into the valve cover. Plastic pipes exposed to constantly varying temperatures tend to become weak and crack over time. If yours has split, it may allow gases to escape possibly resulting in poor fuel economy, engine misfires, hissing noises under the hood, and will usually cause the check engine light to illuminate.

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Genuine MINI Stud Bolt M8X31 - 18307598251

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

T#:48485

Part#: 18307598251

In Stock

$ 9.19 USD

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$ 9.19 USD

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Genuine MINI Stud Bolt M8X31 for Mini

Ensure a secure installation of your Mini's exhaust manifold with the Genuine MINI Stud Bolt M8X31. This metal double-threaded stud bolt is designed for use near the catalytic converter, providing a reliable solution for broken or rusted exhaust manifold studs.

Benefits:

Genuine MINI quality ensures durability and reliability
Designed for use near the catalytic converter for secure installation
Ideal replacement for broken or rusted exhaust manifold studs

Genuine MINI STUD BOLT
Fits BMW Engines including:
N14,N18

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Genuine BMW Scr Container - 16197204623 - E90

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

T#:45489

Part#: 16197204623

Ships in 2 Business Days

3% off MSRP $ 2,952.99

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

$ 2,868.99 USD

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3% off MSRP

$ 2,952.99

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

$ 2,868.99 USD

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Genuine BMW Scr Container -
This item fits the following BMW Chassis:
E90

Fits BMW Engines including:
M57

Crankcase Vent Pipe & Hardware Kit

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T#:55281771

Part#: M6X16PCVKT

Ships in 2 Business Days

$ 48.29 USD

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$ 48.29 USD

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Keep your Ultimate Driving Machine performing at its peak with this Genuine BMW Crankcase Breather Hose and Hardware Kit.

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 Jan 26, 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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Qty

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

Project Cars

SELECT YOUR BMW

Hardware

Crankcase Ventilation Hose

Genuine BMW Valve Zyl. 1-5 - 11727837096 -E60 M5,E63 M6

Genuine BMW Crankcase Ventilation Hose

Genuine MINI Stud Bolt M8X31 - 18307598251

Genuine MINI Stud Bolt M8X31 for Mini

Benefits:

Genuine BMW Scr Container - 16197204623 - E90

Crankcase Vent Pipe & Hardware Kit

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

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