This is an OEM INA tensioner pulley, also known as the adjusting pulley and lower pulley. This pulley is mounted on the belt tensioner near the center of the belt assembly. The upper and lower pulleys are known to be the primary sources for 'belt squealing'. This pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).

This pulley is mounted along with the hydraulic belt tensioner but can be replaced on its own. It is used for the main drive belt on the M50-M54 family engines (M50, M50TU, M52, S52, M52TU, M54, M56, and S54 engines). This is the same belt that covers the water pump/alternator/power steering systems. Replacement is a very easy procedure (requires fan removal) and will have your engine purring in no time. Belt replacement is strongly recommended at the same time. If you have a mechanical belt tensioner, the pulley can only be replaced with a new tensioner.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

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!

If you need the hydraulic belt tensioner, click here.

This item is 70mm Diameter. Please check the diameter before ordering.

This tensioner pulley fits the following BMWs:
1991-1995 E34 525i (M50 engine)
1992-1999 E36 325i, 325is, 328i, 328is, 323is
1995-1999 E36 M3 (M3 3.0 & M3 3.2 liter)
1997-2003 E39 525i, 528i, 530i - Only for Hydraulic Tensioner
1999-2000 E46 323i, 323Ci, 328i, 328Ci - Only for Hydraulic Tensioner
2001-2005 E46 325i, 325Ci, 325xi, 330i, 330Ci, 330xi - Only for Hydraulic Tensioner
2001-2006 E46 M3 coupe & convertible - Only for Hydraulic Tensioner
2000-2006 X5 3.0 liter (E53 chassis)
2004 E60 525i, 530i (M54 engine)
1997-2002 Z3 & MZ3 2.5, 2.8, 3.0, M Roadster, M Coupe
2003-2009 Z4 M Coupe and Roadster

Long lasting alternative for sealing plate 11367831906. This sealing flange is located between the VAN0S adjusting unit and the VAN0S solenoid on the S54 engine. It can be the source of oil leaks and should be replaced when the the VAN0S solenoid is.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe (S54)
2006-2008 E85 BMW Z4 M Roadster M Coupe

Is your BMW showing signs of an oil leak? One of the most common causes is a failing oil pan gasket, a vital component that prevents oil loss and keeps your engine running smoothly. Over time, the gasket—typically made from metal with a durable rubber sealing bead—can wear out due to heat cycles, pressure fluctuations, and general aging. When the rubber bead deteriorates, it compromises the seal and results in leaks.

Ignoring an oil pan gasket leak can lead to more significant issues, such as low oil levels, reduced engine efficiency, and even serious engine damage. Addressing this problem early is crucial to maintaining your vehicle's performance and longevity.

For a reliable solution, choose Corteco. Known for their precision engineering and OE-grade materials, Corteco gaskets are crafted to deliver a perfect fit and exceptional durability. Trust Corteco to provide a high-quality replacement that ensures your BMW stays leak-free and running at its best.

BMW M54 Main Bearing Performance Set is engineered to meet the rigorous demands of high-performance engine builds. Designed by Turner Motorsport, these high-performance coated main bearings offer enhanced durability and efficiency for engines subjected to extreme conditions.

• High-Performance Coating: Treated with a specialized coating by Calico, these bearings reduce friction and prevent "spinning" under high stress, making them ideal for high-power applications.
• Enhanced Power Generation: The coating allows the engine to generate more power while maintaining reliability, even under demanding conditions.
• Thermal Resistance: Built to withstand high temperatures and perform effectively in forced induction and race applications, these bearings help prevent engine failure due to oil pressure loss.
• Proven Durability: Tested extensively on and off the track, 5150 bearings are known for their longevity and superior performance compared to other bearings on the market.

Upgrade to the BMW M54 Main Bearing Performance Set from Turner Motorsport for a robust solution that enhances engine reliability and performance.

Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12527519996 - Commonly used for the pencil-style ignition coil connector.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

Upgrade your hose fittings with the Adjustable Hose Clamp. Designed for versatility and reliability, this clamp provides a secure and adjustable solution for various hose sizes. With its durable construction and easy-to-use design, it ensures leak-free connections in automotive, plumbing, and industrial applications. Say goodbye to loose hoses and enjoy peace of mind with this essential hose clamp.

• Provides secure and adjustable solution
• Durable construction for reliability
• Easy-to-use design for convenience
• Suitable for automotive, plumbing, and industrial applications

Upgrade your Mini Cooper's hose clamping mechanism with the 3/8" (9mm) Band Hose Clamp from ECS. Designed for precision and durability, this clamp ensures a secure fit for hoses, preventing leaks and ensuring optimal performance. Crafted to meet high-quality standards, it provides reliable sealing and resilience against varying temperatures and pressures. Easy to install and engineered for long-term use, this hose clamp is an essential addition to maintain your Mini Cooper's functionality.

• Precision-engineered for Mini Cooper hoses
• Ensures a secure and leak-free fit
• Resilient against temperature and pressure variations
• Easy to install and durable for long-term use

Discover ECS Tuning's stainless steel hose clamps, designed to simplify your Mini's maintenance tasks. No more waiting for dealership orders or overpaying!

These clamps offer versatility with various band widths and German-style T-bolts for size adjustment, ensuring they meet your required diameter. Say goodbye to dealer pricing while securing top-notch quality synonymous with ECS Tuning.

• Stainless steel construction for durability
• Versatile band widths for various applications
• German-style T-bolts for size adjustment
• High-quality alternative to dealership hose clamps