This is an OEM INA Timing Chain Tensioner. Keeping pressure on the timing chain, this keeps the chain from slipping teeth and causing the timing to be off, potentially leading to engine damage. 

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!

INA - Chain Tensioner Piston for BMW Engine Performance

INA - Chain Tensioner Piston is an essential component for maintaining the precision and reliability of your BMW engine. Designed to deliver superior performance, this OEM-grade part ensures optimal tension in the timing chain, preventing slack, excessive wear, and potential engine damage. Available through Turner Motorsport, this chain tensioner piston guarantees compatibility and lasting durability for a variety of BMW models.

Key Benefits:

• OEM-quality part engineered for BMW vehicles
• Enhances timing chain performance for smoother engine operation
• Reduces chain noise and prevents premature wear
• Built with high-strength materials for maximum durability
• Simplifies installation with an exact-fit design

Ensure your BMW operates at peak efficiency by upgrading to the INA - Chain Tensioner Piston, available at Turner Motorsport. This premium component is a must-have for engine repairs, regular maintenance, and improved vehicle performance.

This is an OEM INA Timing Chain Tensioner. Keeping pressure on the timing chain, this keeps the chain from slipping teeth and causing the timing to be off, potentially leading to engine damage. 

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!

This is the tensioner pulley assembly for the serpentine belts on E39 540i and E38 740u with M62 engine. This tensioner keeps the belt for the alternator, power steering and Air Conditioning taught to provide maximum performance of each system. OEM replacement for BMW part # 11281742858 and 11287503424.

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!

This item fits the following BMWs:
4/1997-1998 E38 BMW 740i 740il 
1998 E39 BMW 540i

This gasket seals the timing cover  for cylinders 5-8. If this cover is removed, it is best to replace the gasket with a new one to ensure the timing components are well sealed off.

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 4.6L