BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 4 Series F33 (2014+)

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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AWE - Corporate Logo
T#:589702
Part#: GRP-EXH-BMF30340
Ships in 4 Business Days
Starting at $ 1,595.00 USD
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Starting at $ 1,595.00 USD
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The Touring Edition Exhaust for the F3X 340/440 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the B58 twin-turbo engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. Choose to include the AWE midpipe for even more weight savings and further increased flow and sound. Also choose between 90mm or 102mm tips in Chrome Silver or Diamond Black, or spring for the 96mm Carbon Fiber Tips. An Axleback Exhaust with Optional Midpipe.
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AWE - Corporate Logo
T#:589686
Part#: F30-335-GROUP
Ships on Oct 5, 2026
Starting at $ 1,595.00 USD
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Starting at $ 1,595.00 USD
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The Touring Edition Exhaust for the F3X 335/435 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the N55 twin-turbo engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. Choose to include the AWE midpipe for even more weight savings and further increased flow and sound. Also choose between 90mm or 102mm tips in Chrome Silver or Diamond Black, or spring for the 96mm Carbon Fiber Tips. An Axleback Exhaust with Optional Midpipe.
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Akrapovic - Corporate Logo
T#:340356
Part#: TMS177956
Back Ordered
Starting at $ 4,170.99 USD
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Starting at $ 4,170.99 USD
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The Akrapovic Evolution exhaust systems for the BMW F30 335i & F32 435 are the result of the perfect integration of expertise, the best technology, and the use of the finest materials. Made of austenitic stainless steel, these systems feature a newly developed layout with two central link pipes replacing the single stock pipe, a new muffler design, and carbon fiber tailpipes.

This Akrapovic Evolution exhaust improves upon the stock exhaust system of the BMW 335i in numerous areas. The first visible improvement is the additional power of 7.1 HP (at 5.850 rpm) and 10.7 Nm (at 3500 rpm). The range between 2.000 rpm and 3.000 rpm and at 3.500 rpm was particularly improved. A noticeable improvement can also be observed at high RPM where the Evolution gives more power. This sporty elegance makes this Bavarian machine stand out from the rest and offers the taste of a more powerful version, accentuated with the additional power gains and weight losses of the Evolution system. The dual-mode ECU-controlled valve exhaust from Akrapovic offers stock-level sound at normal cruising, and a joyful deep sporty note when driving the 335i more dynamically. The Evolution systems replace the stock exhaust from the catalytic converters back.

Because of size and dimensions of this exhaust, it can not be shipped via conventional carriers such as UPS or FedEx, and must be shipped via Truck Frieght shipping. Not for sale outside the US or Canada.

This Akrapovic Exhaust fits the following BMWs:
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F36 BMW 435i Gran Coupe

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VRSF Replacement Downpipe Gaskets & Hardware
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:26038606
Part#: 509010
In Stock
$ 26.00 USD
Free Shipping on orders $49 and up

Ensure a perfect seal for your BMW's OEM, VRSF, or aftermarket high flow downpipes with our high-quality Grade 12 installation hardware and gaskets. Each set includes 4 bolts, nuts, washers, and 2 stainless steel gaskets suitable for N54/N55 engines. Designed for years and models specified below, these components guarantee optimal performance and compatibility. Additionally, turbo to downpipe gaskets and clamps are available separately, along with midpipe gaskets for the S55 engine.

  • High-quality Grade 12 installation hardware and gaskets
  • Ensures a perfect seal for OEM, VRSF, or aftermarket downpipes
  • Suitable for N54/N55 engines
  • Compatible with specified BMW years and models
  • Turbo to downpipe gaskets and clamps available separately
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HJS - Corporate Logo
T#:725971
Part#: 18307560815
In Stock
$ 54.99

This product was last offered at the strikethrough price on
08-28-2026

$ 44.99 USD
Free Shipping on orders $49 and up
$ 44.99 USD
Free Shipping on orders $49 and up
Used in fastening and mounting exhaust components
VRSF - Corporate Logo
T#:584901
Part#: 10582020
In Stock
$ 479.99 USD
Free Shipping
$ 479.99 USD
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Reduce back-pressure by upgrading the restrictive catalytic converter in the factory downpipe. Expect an increase in power as well as a more aggressive exhaust tone. This downpipe is handcrafted from 4.5" 304-grade stainless steel with smooth radius bends to decrease turbulence and flow. VRSF offers high-quality products at an exceptional value, including a 1-year limited warranty.
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HJS - Corporate Logo
T#:396285
Part#: 11657620508
In Stock
$ 24.99 USD
Free Shipping on orders $49 and up

BMW N54 N55 N63 S63 HJS V-Band Exhaust Clamp - Priced Each is designed for superior performance and reliability in exhaust system maintenance and upgrades. Engineered by Turner Motorsport, this high-quality clamp ensures a secure and leak-free connection in your BMW's exhaust system.

  • Durable Construction: Made from premium materials to withstand high temperatures and harsh conditions, ensuring long-lasting performance.
  • Precision Fit: Designed to fit perfectly with BMW N54, N55, N63, and S63 engines, offering a secure and reliable seal.
  • Improved Exhaust Efficiency: Prevents leaks and maintains optimal exhaust flow, contributing to better engine performance and efficiency.
  • Easy Installation: The V-band design allows for quick and easy installation or removal, simplifying exhaust system maintenance.
  • Versatile Use: Ideal for both performance upgrades and routine repairs, making it a valuable addition to any BMW enthusiast's toolkit.
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Magnaflow - Corporate Logo
T#:371600
Part#: 14851
Ships in 2 Business Days
$ 269.00 USD
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$ 269.00 USD
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Enhance your BMW's exhaust system with the all-new Magnaflow Universal Muffler, available at an exceptionally affordable price point. Say goodbye to noisy and inefficient mufflers with this high-performance solution.

The Race Series muffler is meticulously designed for uncompromising performance, delivering an aggressive racecar-inspired sound. Its genuine straight-through design ensures the utmost high RPM power, while the 2.5" or 3" perforated core effectively eliminates backpressure, optimizing exhaust flow.

This muffler stands as the ideal choice for dedicated racers, turbocharged engines, nitrous oxide fuel systems, or vehicles equipped with wild cam applications. It boasts a 2.25" inlet, a 24" overall length, and a 4" diameter round, angle-cut tip.

Kindly note that this muffler is of universal fit for rear exhaust and may necessitate welding or fabrication for installation, as it is not a direct bolt-on component for any specific vehicle.

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Bosch - Corporate Logo
T#:639141
Part#: 11788644371
In Stock
$ 159.99

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

$ 146.99 USD
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$ 146.99 USD
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The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance. Bosch's Oxygen sensors are high quality and will give you the longest and best performance for the price. This is the OEM Bosch oxygen sensor for BMW's with the B58 engine. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
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Magnaflow - Corporate Logo
T#:20155636
Part#: 14816
In Stock
$ 358.00 USD
Free Shipping on orders $49 and up

Enhance Your BMW with the Magnaflow Universal Muffler

Looking for an affordable way to replace your BMW's muffler and transform its exhaust note? Your search ends here! The brand-new Magnaflow Universal Muffler is your budget-friendly solution, designed to elevate your BMW's sound and style.

Key Features:

  • Budget-Friendly: The Magnaflow Universal Muffler is the go-to choice for budget-conscious BMW owners seeking an economical way to enhance their vehicle's sound.
  • Enhanced Sound: This muffler delivers an improved exhaust note, creating a deeper, more attractive tone that will make your BMW stand out from the crowd.
  • Universal Fit: With its universal fit, it is compatible with a range of BMW models, ensuring a seamless installation process.
  • Quality Construction: Crafted from durable materials, this muffler is built to last, providing long-term performance and value.
  • Turner Motorsport Approved: Endorsed by Turner Motorsport, a renowned name in the BMW community, you can trust this muffler to meet your expectations for quality and performance.

Say goodbye to that noisy ride and give your BMW the sound it deserves with the Magnaflow Universal Muffler. Upgrade today!

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Bosch - Corporate Logo
T#:384616
Part#: 11787589122
In Stock
$ 168.99

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

$ 111.99 USD
Free Shipping
$ 111.99 USD
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A new oxygen sensor can improve driveability and lengthen engine life. Ultimately, you achieve a smoother running engine that is more fuel efficient. Feedback from the oxygen sensor 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.

This is the OEM Bosch oxygen sensor for BMW's with the N20 and N26 motors. This sensor is mounted in the catalytic converter in the rear most position. OEM replacement for BMW # 11787589122.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Fits the following BMWs:
All models with the N20 or N26 motor

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Bosch - Corporate Logo
T#:372884
Part#: 15733
In Stock
$ 74.99 USD
Free Shipping
$ 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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Magnaflow - Corporate Logo
T#:26005252
Part#: 13215
In Stock
$ 150.00 USD
Free Shipping on orders $49 and up
Upgrade your BMW's performance with MagnaFlow XL Mufflers, engineered to enhance horsepower while reducing unwanted resonance. The innovative design features large diameter perforated tubing and strategically placed sound baffles, creating a balanced sound profile. These mufflers utilize calibrated tuning gate openings to tune sound waves, effectively canceling out harsher noises. With stainless steel construction and a multi-chamber design, they offer optimal performance and a distinct exhaust sound.
  • Stainless steel construction
  • Multi-chamber design for increased performance
  • Chambered muffler performance sound
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Magnaflow - Corporate Logo
T#:370934
Part#: 14211
Ships in 2 Business Days
$ 174.00 USD
Free Shipping
$ 174.00 USD
Free Shipping

Upgrade your vehicle's muffler affordably with the Magnaflow Universal Muffler, providing a solution to loud exhausts without breaking the bank. Crafted from 100% stainless steel, these mufflers are built to endure extreme conditions, ensuring durability and reliability.

Key Benefits:

  • 100% stainless steel construction for robustness
  • Lap-joint welding ensures solid build quality
  • Free-flowing, straight-through design for enhanced performance
  • Stainless mesh wrap and acoustical fiber fill deliver a smooth, deep tone
  • Packed tightly for long-lasting performance without sound degradation

Features:

  • 2.5'' Inlet and Outlet
  • 14'' body length
  • 20'' overall length
  • May require welding/fabricating for fitting; not a direct fit for any specific car model
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Bosch - Corporate Logo
T#:554853
Part#: 11787596908
Ships in 2 Business Days
$ 202.99

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

$ 185.99 USD
Free Shipping
$ 185.99 USD
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BMW F Chassis Oxygen Sensor - Upstream Catalytic Converter is a critical component for monitoring exhaust emissions and optimizing engine performance. Positioned at the front of the exhaust manifold, this sensor, also known as a Lambda probe, provides essential data to your vehicle's computer, ensuring efficient operation and reduced emissions.

  • Precise Emissions Monitoring: Accurately measures exhaust gases to ensure optimal engine performance and compliance with emissions standards.
  • Enhanced Engine Efficiency: Relays vital information to the vehicle's computer to adjust fuel mixtures and improve overall efficiency.
  • Improved Fuel Economy: Helps in maintaining the correct air-fuel ratio, contributing to better fuel consumption.
  • Durable Construction: Built to withstand high temperatures and harsh conditions for long-lasting reliability.
  • Direct Replacement: Designed to fit seamlessly into the upstream catalytic converter position of BMW F chassis models.

Ensure your BMW F chassis operates at peak performance with the Upstream Catalytic Converter Oxygen Sensor, designed for precise emissions control and engine efficiency.

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Bosch - Corporate Logo
T#:639157
Part#: 11788631049
Ships in 2 Business Days
$ 154.99

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

$ 142.99 USD
Free Shipping
$ 142.99 USD
Free Shipping
The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance. Bosch's Oxygen sensors are high quality and will give you the longest and best performance for the price. This is the OEM Bosch oxygen sensor for BMWs with B46, B48, and N74 engines. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
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AWE - Corporate Logo
T#:589699
Part#: 3010-32034
Ships in 5 Business Days
$ 1,645.00 USD
Free Shipping
$ 1,645.00 USD
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As exhaust gases exit the 340i / 440i engine and flow into an AWE 180 Technology equipped resonator, they pass through strategically located ports and into reflection chambers. Sound waves, carried by these exhaust gasses, bounce off the walls of the reflection chambers. By controlling the size and location of the ports and the chambers, we also control when the sound waves exit the chambers. The specific timing of when the reflected sound waves rejoin the main exhaust flow creates a one-hundred-and-eighty-degree out-of-phase sound wave that cancels out problematic frequencies. Features: Straight-through design featuring AWE's proprietary drone-canceling solution Full 3" CNC mandrel-bent system Max gains of 9 hp and 11 ft-lbs of torque at the crank Axle-back design for the street Performance Mid Pipe for racing applications Tip options include 90 or 102mm double-walled tips in chrome silver or diamond black Handcrafted, CNC mandrel-bent 2.5” U.S.-sourced T304L stainless steel Engineered, designed, and manufactured in house at AWE No check engine light - guaranteed Perfect fitment - guaranteed AWE Lifetime Warranty Whats included: Axle-back exhaust Two exhaust tips All necessary hardware
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AWE - Corporate Logo
T#:589726
Part#: GRP-EXH-BWF32833
In Stock
Starting at $ 1,325.00 USD
Free Shipping
Starting at $ 1,325.00 USD
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AWE has one vision: To unlock performance. AWE has a unique facility where every step, from design to production, is completed within their facilities. This results in state-of-the-art exhausts with unparalleled quality control and top-tier performance. The Touring Edition Exhaust for the F3X from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will unleash the pure sound of the 4-cylinder turbo engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors.
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Magnaflow - Corporate Logo
T#:27938424
Part#: 52257
Back Ordered
$ 1,232.00 USD
Free Shipping
$ 1,232.00 USD
Free Shipping
VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07...
Fits N54/ N55/ N20/ N26/ S55/ B58 Engines from 2007-2016
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:35154903
Part#: 504010
In Stock
$ 8.99 USD
Free Shipping on orders $49 and up
$ 8.99 USD
Free Shipping on orders $49 and up

This plug is a replacement for the following models: 10901020A, 10901020B, 10901020C, 10901020D, 10301050, 10101020 and any other VRSF chargepipe that utilizes a water injection bung. VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is a crucial component for maintaining peak performance in turbocharged BMW engines. Designed to prevent boost leaks and ensure a secure seal for methanol and water injection ports, this bung plug is crafted from premium materials for long-lasting reliability. Compatible with VRSF chargepipes, it is an ideal solution for BMW enthusiasts seeking precision and durability in their high-performance setups. Available through Turner Motorsport, this part ensures seamless integration with your BMW's engine components.

Benefits: Ensures a secure seal for methanol and water injection ports to prevent boost leaks Built from high-quality materials for superior strength and longevity Compatible with VRSF chargepipes on 07-16 BMW N54, N55, N20, N26, S55, and B58 engines Easy installation minimizes downtime and simplifies engine upgrades Maintains optimal turbo efficiency and performance in high-pressure systems The VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is the ultimate choice for BMW owners committed to maximizing reliability and performance.

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VRSF 4" Turbo to Downpipe Clamp - BMW
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:2839845
Part#: 505040
Ships on Oct 1, 2026
$ 18.99 USD
Free Shipping on orders $49 and up
4" Turbo to Downpipe Clamp for 4" Downpipes

HJS - Corporate Logo
T#:37622243
Part#: 18307560781
Ships in 2 Business Days
$ 47.99 USD
Free Shipping on orders $49 and up

Dual clamp pipe connector joins exhaust pipes without welding. Split, compressible design clamps tightly around joined pipes for a leak-free fit. Includes hardware.

76.2mm (3.00 inch) diameter.

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XForce - Corporate Logo
T#:28570834
Part#: VKSB01-ECU-MODUL
Ships in 2 Business Days
$ 399.00 USD
Free Shipping on orders $49 and up
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.
  • Seamless integration with Varex muffler system
  • Precise control over exhaust sound and performance
  • Easy installation process
  • Versatile functionality for enhanced driving experience
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VRSF - Corporate Logo
T#:42369337
Part#: 10582028
Ships on Oct 1, 2026
$ 579.99 USD
Free Shipping
$ 579.99 USD
Free Shipping
Reduce back-pressure by upgrading the restrictive catalytic converter in the factory downpipe. Expect an increase in power as well as a more aggressive exhaust tone. This downpipe is handcrafted from 4.5" 304-grade stainless steel with smooth radius bends to decrease turbulence and flow. VRSF offers high-quality products at an exceptional value, including a 1-year limited warranty.
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Rennline - Corporate Logo
T#:27472189
Part#: EX17.BLACKKT
Ships in 6 Business Days
$ 218.00 USD
Free Shipping on orders $49 and up

Upgrade your BMW & MINI with the sleek Rennline Universal 4" Exhaust Tips - Pair. These tips are designed to enhance both the look and performance of your vehicle. Featuring a swivel tip that allows for precise adjustment to align perfectly with your exhaust outlet, these tips are easy to install and built to last.

  • Swivel tip design for adjustable positioning
  • Slant cut, double wall construction with rolled edge
  • Chrome-plated nuts, 304SS cap screw, clamp, insert ring, and exhaust tip
  • Universal fitment for 2.5” inlet size and 4” outlet size
  • Built to last with durable materials

Dimensions:

  • Inlet Size: 2.5”
  • Overall Length: 4.92”
  • Outlet Size: 4”

Modification may be required for proper fitment.

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