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Belt Tensioners
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Located on the alternator, this bar allows the alternator to move slightly in order to adjust the tension on the alternator drive belt.
Genuine BMW Adjusting Bar
This item fits the following BMW Chassis:
E34 M5,E34
Fits BMW Engines including:
M30,S38
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
This is an OEM Ruville mechanical tensioner for 2003+ BMW's with the M54 or M56 engine. These belt tensioner units are known to fail, and include the tensioner pulley (as shown).
OEM Schaeffler (INA, LuK, Ruville, & 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:
2003-2005 E46 BMW 325i 325ci 325xi 330i 330ci 330xi
2003 E39 BMW 525i 530i
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2003-2006 E53 BMW X5 3.0i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Allows for adjustment of the air conditioning compressor, increasing tension on the drive belt.
Genuine BMW Adjusting Bar
This item fits the following BMW Chassis:
E30 M3,E30
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Don't let an accessory belt failure leave you stranded! Over time, the tensioner and belt wear out, risking your alternator's ability to charge and your vehicle's overall reliability. Turner Motorsport has assembled a comprehensive belt drive service kit to keep everything in check and ensure smooth operation.
Key Benefits:
Complete Service Kit: Includes all necessary components to maintain your belt drive system. Enhanced Reliability: Prevents unexpected belt failures and keeps your vehicle running smoothly. Optimized Performance: Ensures your alternator and A/C system function efficiently. Kit Contents:
Accessory Belt Belt Tensioner Assembly A/C Belt Maintain your BMW's performance and reliability with the Turner Motorsport drive belt service kit!
This product was last offered at the strikethrough price on
05-07-2026
This is an OEM Ruville Idler Pulley, also known as the roller pulley or deflection pulley. The idler pulleys are known to be the primary sources for 'belt squealing'. The 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).
OEM Schaeffler (INA, LuK, Ruville, & 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:
BMW 5 Series - 540i, 535i
BMW X Series - X5 4.6is 4.4i