The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture. Restore performance and fuel mileage with a high quality Bosch ( #0 280 217 800) replacement. OEM replacement for BMW part # 13621702078 and 13621468625. For vehicles with a production date up to 09/1998. This sensor is also known as the "540 HFM" that is used in a variety of OBD-1 E36 M3 upgrades.

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!

Replacement mass air sensor for the M60/M62 engine. The M60 engines have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems.

This replacement HFM fits the following BMWs:
1993-1995 E34 BMW 540i
1997-1998 E39 BMW 540i
1988-1994 E32 BMW 740i 740il
1995-1998 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci

Brake Booster Check Valve by Rein is an essential part of your vehicle’s braking system, designed to maintain proper vacuum pressure for enhanced brake performance. This valve ensures that the brake booster retains sufficient vacuum pressure to deliver consistent, responsive braking, even in challenging conditions. Built from durable, high-quality materials, the Brake Booster Check Valve by Rein is engineered to withstand high temperatures and provide long-lasting reliability. Available at Turner Motorsport, this check valve is a direct fit replacement, ensuring easy installation and compatibility with your vehicle’s OEM specifications.

• Maintains optimal vacuum pressure, ensuring consistent brake performance
• Improves braking response, enhancing safety and vehicle control
• Constructed from high-quality materials for durability and long-term use
• Direct fit replacement, allowing for easy installation and perfect compatibility with OEM standards
• Supports the overall efficiency of the brake booster system, ensuring reliable braking in all conditions

Turner Motorsport offers the Brake Booster Check Valve by Rein as a dependable solution to enhance your vehicle's braking system, ensuring safe and efficient performance.

Enhance Engine Performance with Silicone Vacuum Line

Upgrade your car's vacuum system with the Silicone Vacuum Line, a vital component that significantly impacts engine performance. Engineered to resist heat and contaminants, this silicone hose promises exceptional durability, ensuring prolonged and reliable operation.

Featuring an inner diameter of 4mm and a vibrant red color, this silicone hose arrives in a 9-foot section, offering the flexibility to customize lengths as needed. Damaged vacuum hoses can lead to various performance issues, from rough idling to engine starting problems. Promptly replace worn-out hoses to optimize your vehicle's overall performance.

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

Water-Methanol Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems) is designed to relocate your standard 3QT Snow Performance Water-Methanol Tank or any custom tank to the trunk of your vehicle. This upgrade includes everything necessary to safely move and secure your water-methanol system.

• Comprehensive Kit: Includes 15 feet of stainless steel braided line, a high-flow solenoid upgrade, and all required AN fittings.
• Durable Construction: Features high-quality, stainless steel braided lines for superior strength and resistance to wear.
• Enhanced Performance: Designed to ensure optimal performance and reliability of your water-methanol system when relocated.
• Easy Installation: Provides all necessary components for a straightforward trunk mount installation.
• Versatile Application: Suitable for moving standard and custom water-methanol tanks to the trunk of any vehicle.

Bring your aFe filter back to life with a Restore kit from aFe. Included is filter cleaner & replacement oil. These air filter oils is designed to not harm MAF sensors, while allowing the filter to catch as much debris as possible.

Used for Pro 5 R filters

Car suffering from vacuum leaks? This vacuum hose has a 3mm inner diameter. 

Silicone Coupler - Straight 3" ID (76.20mm) x 3" L

No matter the project, ECS Tuning silicone couplers and elbows offer a high-quality, precision-engineered solution to your needs. Whether you're installing an intercooler, fabricating a custom intake system, or whatever else you can dream up, ECS Tuning has you covered.

• High-quality silicone construction for durability
• Precision-engineered design ensures a perfect fit
• Versatile solution for various automotive projects
• Enhances performance and reliability
• Compatible with BMW and other vehicles

Upgrade your BMW or MINI with the BMW & MINI Silicone Coupler - Straight 2.38" (60.33mm). This high-quality silicone coupler is designed to provide a secure and leak-free connection for your vehicle's intake or cooling system. Engineered for durability and flexibility, it ensures optimal performance under various conditions. With its straight design and precise dimensions, this silicone coupler offers easy installation and a perfect fit for your BMW or MINI.

• Provides a secure and leak-free connection
• Engineered for durability and flexibility
• Straight design for easy installation
• Perfect fit for BMW and MINI vehicles

Intake Manifold Regulator Valve - Rein | BMW E31 E38 M73 5.4L Engine is engineered to maintain optimal airflow and engine performance by regulating intake manifold pressure. A failing regulator valve can lead to poor throttle response, rough idling, and decreased fuel efficiency. This high-quality replacement ensures proper engine function and is designed as a direct-fit solution for BMW E31 and E38 models equipped with the M73 5.4L engine. Manufactured to meet or exceed OEM standards, this valve restores efficient air intake operation, improving overall engine performance.

• Regulates intake manifold pressure for optimal airflow and performance
• Direct-fit replacement for BMW E31 and E38 M73 5.4L engines
• Helps improve throttle response and fuel efficiency
• Reduces rough idling and engine hesitation
• Manufactured to meet or exceed OEM quality standards
• Ensures long-lasting durability and reliability

Rein Intake Manifold Breather Valve | BMW E31 E38 M73 5.4L engine is a crucial component for maintaining proper crankcase ventilation and engine efficiency. Designed for BMW E31 and E38 models equipped with the M73 5.4L engine, this breather valve helps regulate internal pressure within the intake manifold, preventing excessive oil consumption and ensuring smooth engine operation. Over time, a failing breather valve can cause vacuum leaks, rough idling, and reduced performance. This high-quality replacement restores proper airflow and reliability.

• Ensures optimal crankcase ventilation for improved engine efficiency
• Helps prevent vacuum leaks, oil consumption, and performance issues
• Direct-fit replacement for BMW E31 and E38 M73 5.4L engines
• Manufactured to meet or exceed OEM specifications for durability
• Restores smooth engine operation and idle stability
• Precision-engineered for a secure fit and easy installation