Emissions System for BMW 4 Series G22 (2021+)

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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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Turner Baffled Oil Catch Can - Standard Flow 8oz
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Turner Motorsport - Corporate Logo
T#:38419062
Part#: 022798TMS01-02
Ships on Jul 1, 2026
Sale - Save 25% $ 213.99

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

$ 160.49 USD
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Sale - Save 25%
$ 213.99

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

$ 160.49 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system  baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.

Our catch can was also designed with the idea that the cans fill level can easily be checked with a top mounted dipstick and an optional use bottom drain hole. The drain hole can be used with a valve and hose to be mounted at a lower area of the vehicle so when you're doing an oil change you can drain the catch can.

Features:

  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
  • Strategically positioned 4 chamber baffle system maximizes oil / air separation 
  • Knurled and black anodized oil dipstick makes inspecting oil volume of reservoir clean and simple
  • Sealed with a pre-installed viton O-Ring
  • Includes 2.5mm allen key to remove baffle plates for cleaning
  • Engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can
  • Closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation
  • Optional use drain hole (valve and hose sold separately, watch for our model specific drain kits!)
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Turner Baffled Oil Catch Can - Standard Flow 6oz
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Turner Motorsport - Corporate Logo
T#:38419077
Part#: 022798TMS01-01
In Stock
Sale - Save 30% $ 213.99

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

$ 149.79 USD
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Sale - Save 30%
$ 213.99

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

$ 149.79 USD
Free Shipping on orders $49 and up

When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system  baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.

Our catch can was also designed with the idea that the cans fill level can easily be checked with a top mounted dipstick and an optional use bottom drain hole. The drain system comes complete with a valve and hose to be mounted at a lower area of the vehicle so when you're doing an oil change you can drain the catch can.

Features:

  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
  • Strategically positioned 4 chamber baffle system maximizes oil / air separation 
  • Knurled and black anodized oil dipstick makes inspecting oil volume of reservoir clean and simple
  • Sealed with a pre-installed viton O-Ring
  • Includes 2.5mm allen key to remove baffle plates for cleaning
  • Engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can
  • Closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation
  • Optional use drain hole - drain kit included!
  • Universal mounting kit
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Turner Baffled Oil Catch Can - Standard Flow 10oz
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Turner Motorsport - Corporate Logo
T#:38419079
Part#: 022798TMS01-03
In Stock
Sale - Save 25% $ 203.99

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

$ 152.99 USD
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Sale - Save 25%
$ 203.99

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

$ 152.99 USD
Free Shipping on orders $49 and up
When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow.
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Schwaben 7/8"(22mm) Flexible Oxygen Sensor Wrench
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Schwaben - Corporate Logo
T#:368923
Part#: FO-78
Ships on Jun 23, 2026
Sale - Save 30% $ 48.99

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

$ 34.29 USD
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Sale - Save 30%
$ 48.99

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

$ 34.29 USD
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The Schwaben oxygen sensor wrench has a six-point pivot head to provide a secure grip on stubbornly tight oxygen sensors located in awkward, inaccessible locations.

VTT B58/S58 Cylinder Head Port Block-Off Kit - BMW B58 Gen1/2/3 (B58/...
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Vargas Turbo Technologies - Corporate Logo
T#:49822557
Part#: VTTBS58BLOCK
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$ 29.99 USD
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The VTT B58/S58 Head Port Block-Off kit is designed to either seal off the factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases, but in the process, can allow oil to enter the intake manifold, leading to valve carbon buildup and other performance issues over time. The Block-Off kit offered by VTT completely seals the factory head ports to prevent oil intrusion and unwanted vacuum leaks. This kit does NOT require any tapping, meaning no metal to get into the engine, etc. You simply tap the plugs into place. Key Features Eliminates oil draw-through into the intake manifold Prevents carbon buildup on intake valves Utilizes precision-machined plugs for boost sealing Fully reversible — Block-offs can be removed if needed No tapping is required. Easy install, by tapping the blocks into place.
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Radium Engineering Universal Catch Can Petcock Drain Kit
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Radium Engineering - Corporate Logo
T#:27905095
Part#: 20-0024
In Stock at Vendor
$ 28.99 USD
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Includes:

Anodized 4AN ORB Barbed Adapter Fitting, Black Ball Valve with 1/4" Barbs, 125psi @ 140F 4 feet of Radium 1/4" PCV Hose


OEM Bosch Universal 4-Wire Oxygen Sensor - Priced Each
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Bosch - Corporate Logo
T#:372884
Part#: 15733
In Stock
$ 82.99

This product was last offered at the strikethrough price on
02-16-2026

$ 74.99 USD
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$ 74.99 USD
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Bosch Universal Oxygen Sensors are perfect for replacing faulty sensors throwing off a check engine lights and causing poor operation and low gas mileage. If you are looking for a cheaper option or are unable to get a hold of the sensor you need, you can reuse part of the original wiring harness to connect this high quality replacement.
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AutoTecknic - Carbon Competition Fuel Cap Cover - Various BMW and MIN...
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AUTOTECKNIC - Corporate Logo
T#:39971046
Part#: BM-0006-BCG
In Stock
$ 65.00 USD
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AutoTecknic - Carbon Competition Fuel Cap Cover - Various BMW and MINI Models is a premium exterior upgrade crafted from genuine carbon fiber, designed to enhance the aggressive styling and performance aesthetic of compatible BMW and MINI vehicles with an easy, OEM-fit installation.
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BMS Oil Catch Can Kit - B58
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Burger Motorsports - Corporate Logo
T#:21045538
Part#: BMS-CC-GB58
In Stock
Starting at $ 248.00 USD
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Starting at $ 248.00 USD
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It's no secret that the B58 BMW turbo motors can suffer from oil control problems causing the oil to blow through and coat the intercooler and charge piping, gunking up intake valves and the VANOS system, lowering the effective octane, and generally degrading engine performance. The higher your boost levels the more apparent these problems become. The solution to this problem has finally arrived. The BMS oil catch can. While there are other catch cans on the market they all fall short in various areas. Some are mounted on the hot/turbo side of the motor preventing proper vapor condensation. Others utilize hoses that are too small and runs that are too long to allow proper PCV ventilation causing internal motor/ring sealing issues. Some have insufficient or no internal baffle system while others have internal baffles systems that are too restrictive. Some even bypass the PCV system all together venting crankcase gas and odor to the atmosphere. Most are simply repackaged oil catch cans from smaller/lower power motors shoehorned into place in the turbo BMW engine bay. To solve these problems Burger Motorsports designed their oil catch can kit from the ground up specifically for the B58 turbo BMW application. It features 100% CNC machining with zero welding for a precision fit and long life. The can itself is guaranteed for the life of the vehicle. The hoses exceed the OEM PCV piping in diameter and that flow rate is maintained throughout the entire oil catch can ensuring no excessive crankcase pressure buildup. The BMS OCC retains the factory fully closed loop PCV operation preventing any PCV vapor from leaking to atmosphere. The mounting locations are selected to minimize the line length, allow more efficient operation, and retain a stealth look. Install takes around 20 minutes, includes all required hardware, and is 100% reversible. Simply unscrew the base of the can or use the drain plug to safely dispose of captured oil with the rest of your used motor oil during oil changes. Made in the USA. KIT INCLUDES (1) BMS N54 Oil Catch Can (1) Billet B58 bracket (1) 90º billet fitting/nipple (1) Custom Silicone inlet hose (1) 3.5" Straight hose (2) Stainless steel bracket screws #10-32 x 1/2" internal hex socket head Includes BMS intake silencer delete for installation with factory intake.
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ECS Tuning Baffled Oil Catch Can - 8oz
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ECS - Corporate Logo
T#:13496655
Part#: 003779ECS05-02
In Stock
Sale - Save 5% $ 233.99

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

$ 222.11 USD
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Sale - Save 5%
$ 233.99

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

$ 222.11 USD
Free Shipping on orders $49 and up
Upgrade Your BMW with ECS Baffled Oil Catch Can

Modern emission regulations require a closed PCV/Breather system for cleaner operation. However, inefficient oil particle capture can lead to excessive oil vapor ingestion, causing carbon buildup, reduced performance, and fuel economy. ECS Tuning's updated ECS Baffled Oil Catch Can, now with an easy-to-empty 1/4" drain fitting, is engineered to collect toxic blow-by gases, minimize carbon deposits, and reduce oil contamination within engine oil. Recirculating oil vapor ensures emissions compliance without venting to the atmosphere.

  • Key Features:
  • Highly Efficient Oil Separator: Strategically positioned 4 chamber baffle system maximizes oil/air separation and minimizes oil droplets in the intake tract.
  • Integrated Dipstick: Knurled and black anodized oil dipstick simplifies oil volume inspection.
  • Reservoir: Available in 6oz or 8oz capacity with a 1/4" NPT drain plug fitting.
  • Serviceable: Easily removable baffle plates and drain plug for cleaning.
  • Easy/Customizable Installation: Combine with the ECS Universal Bracket Kit for simplified installation and adjustable mounting locations.
  • Leak-Free Fittings: Machined -10AN ORB (O-Ring Boss) fittings available for secure connections (fittings sold separately).
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BMS Oil Catch Can Oil Filler Cap Dual Vent Connection Kit - G2X/G42/A...
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Burger Motorsports - Corporate Logo
T#:49822554
Part#: BMSB58OCCFCDV
Ships on Jun 22, 2026
New Item
$ 139.00 USD
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Keep crankcase vapors in check and your intake air clean with the BMS Oil Catch Can Oil Filler Cap Dual Vent Connection Kit for the Gen2 B58. This upgrade ditches the flimsy factory venting in favor of a precision CNC-machined billet oil filler cap and dual-vent fittings engineered to handle increased crankcase pressure under boost. By diverting oil-laden vapors into a catch can instead of back through the intake, this system helps minimize carbon buildup, reduces oily contamination, and promotes more consistent performance as power levels climb. High-quality hoses and fittings ensure a secure, leak-free install that won’t collapse under pressure and maintains a clean, OE-plus appearance in the engine bay. An easy, effective upgrade for B58 enthusiasts looking for cleaner operation, improved engine longevity, and proven performance-focused design
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BMS Oil Catch Can - BMW G2X G42 B46/B48 2.0L
For models with the Gen2 B48 (B48D / B48TU) engine only
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Burger Motorsports - Corporate Logo
T#:46959262
Part#: BMSOCCB48G2X
Back Ordered
$ 199.00 USD
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$ 199.00 USD
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For turbocharged BMWs, oil control issues have always been a slight headache. Burger Motorsports has designed a new oil catch can system specifically for the BMW Gen2 B46/B48 engine to address these issues. Featuring 100% CNC machining with zero welding for a precision fit and long life, the can itself is guaranteed for the life of the vehicle. The included hose exceeds the OEM PCV piping in diameter, and that flow rate is maintained throughout the entire oil catch can, ensuring no horsepower-robbing crankcase pressure buildup. The BMS oil separator maintains the factory's fully closed-loop PCV operation, preventing any PCV vapor from escaping into the atmosphere. The mounting locations are selected to minimize the line length, allow more efficient operation, and retain a stealth look. The install takes around 10 minutes, includes all required hardware, and is 100% reversible. Simply unscrew the base of the can or use the drain plug to safely dispose of captured oil with the rest of your used motor oil during oil changes. Made in the USA.
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Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm) - Priced Eac...
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ECS - Corporate Logo
T#:637408
Part#: 028092ECS11AKT
In Stock
Sale - Save 25% $ 3.99

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

$ 2.99 USD
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$ 3.99

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

$ 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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1.5mm X 51mm Metric Buna-N 70 O-ring
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ECS - Corporate Logo
T#:388889
Part#: N1.50X051
In Stock
Sale - Save 30% $ 5.99

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

$ 4.19 USD
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Sale - Save 30%
$ 5.99

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

$ 4.19 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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80 Piece Vacuum Cap Assortment
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Titan - Corporate Logo
T#:641955
Part#: TIT45252
In Stock
$ 14.99 USD
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Great for capping unused vacuum lines.

Burger Motorsport Oil Catch Can - G-Chassis Gen 3 B58
For 2025+ models with the Gen3 B58 engine
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Burger Motorsports - Corporate Logo
T#:46993589
Part#: G3B58OCC
Ships on Jun 22, 2026
Starting at $ 219.00 USD
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Starting at $ 219.00 USD
Free Shipping on orders $49 and up
It's no secret that B58 BMW turbo motors can suffer from oil control problems, causing the oil to blow through and coat the intercooler and charge piping, gunking up intake valves and the VANOS system, lowering the effective octane, and generally degrading engine performance. The higher your boost levels and the higher the mileage, the more apparent these problems become. The solution to this problem has finally arrived. The Burger Motorsports oil catch can. While there are other catch cans on the market, they all fall short in various areas. Some are mounted on the hot/turbo side of the motor, preventing proper vapor condensation. Others utilize hoses that are too small and runs that are too long to allow proper PCV ventilation, causing internal motor/ring sealing issues. Some have insufficient or no internal baffle systems, while others have internal baffle systems that are too restrictive. Some even bypass the PCV system altogether, venting crankcase gas and odor to the atmosphere. Most are simply repackaged oil catch cans from smaller/lower power motors shoehorned into place in the turbo BMW engine bay. To solve these problems, Burger Motorsports designed their oil catch can kit from the ground up specifically for the 2025 and newer Gen 3 B58 turbo BMW application. It features 100% CNC machining with zero welding for a precision fit and long life. The can itself is guaranteed for the life of the vehicle. The hoses exceed the OEM PCV piping in diameter, and that flow rate is maintained throughout the entire oil catch can, ensuring no excessive crankcase pressure buildup. The BMS OCC retains the factory fully closed loop PCV operation, preventing any PCV vapor from leaking to the atmosphere. The mounting locations are selected to minimize the line length, allow more efficient operation, and retain a stealth look. Installation takes around 20 minutes, includes all required hardware, and is 100% reversible. Simply unscrew the base of the can or use the drain plug to safely dispose of captured oil with the rest of your used motor oil during oil changes.
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VTT Low-Profile Crankcase Vent Adapter -16ORB - BMW S58, B58TU ...
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Vargas Turbo Technologies - Corporate Logo
T#:51672705
Part#: VTT-S/B58-LP-CC-
Ships in 10 Business Days
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$ 41.99 USD
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The VTT Low-Profile Crankcase Vent Adapter is the definitive solution for high-boost BMW builds where hood clearance is a premium.
AutoTecknic Dry Carbon Competition Oil Cap Cover - Type 2 - For Vario...
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AUTOTECKNIC - Corporate Logo
T#:39971048
Part#: BM-0008
Ships in 7 Business Days
$ 64.99 USD
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A precision-crafted dry carbon fiber upgrade that enhances the engine bay of compatible BMW and MINI vehicles with a lightweight, motorsport-inspired design and easy OEM-style installation

VTT B58 Cylinder Head Port Check Valve Kit - B58 Gen1/2/3 (B58/B58TU/...
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Vargas Turbo Technologies - Corporate Logo
T#:49822558
Part#: VTTB58CHECK
Ships in 10 Business Days
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$ 69.99 USD
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The VTT B58 Head Port Check Valve Kit is designed to convert the factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases, but in the process, can allow oil to enter the intake manifold, leading to valve carbon buildup and other performance issues over time. VTT's Billet Check Valve kit converts the head ports into a robust internal PCV system using precision-engineered check valves. These one-way valves allow vacuum to function as intended while blocking boost pressure from entering the crankcase or charge tract.
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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...
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Bremmen Parts - Corporate Logo
T#:47439371
Part#: 02SB1815
Ships on Jan 4, 2027
New Item
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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