BMW Internal Engine Parts for BMW X Series E53 (2000-2006)

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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Timing Chain Tensioner - E31 E39 E38 E53 E34 E32 Z8
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:5403287
Part#: 11317531813
In Stock
Sale - Save 19% $ 54.05

This product was last offered at the strikethrough price on
05-03-2026

$ 43.99 USD
Free Shipping on orders $49 and up
Sale - Save 19%
$ 54.05

This product was last offered at the strikethrough price on
05-03-2026

$ 43.99 USD
Free Shipping on orders $49 and up
Located in the timing cover and is removable without dis-assembly. This item fits the following BMWs: 1993-1995 E34 BMW 530i 540i 1997-2003 E39 BMW 540i 1988-1994 E32 BMW 740i 740il 1995-2001 E38 BMW 740i 740il 1990-1999 E31 BMW 840i 840ci 2000-2003 E53 BMW X5 4.4i X5 4.6is 2000-2003 E52 BMW Z8 Alpina Roadster
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ACL - Corporate Logo
T#:584470
Part#: 7M1532H-STD
In Stock
$ 282.99 USD
Free Shipping
$ 282.99 USD
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Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW enthusiasts running M20, M50, M52, M54, S50, S52, and S54 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

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Timing Chain Tensioner Rail - Right - M62
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:5470982
Part#: 11311741236
In Stock
Sale - Save 20% $ 49.97

This product was last offered at the strikethrough price on
05-03-2026

$ 39.98 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 49.97

This product was last offered at the strikethrough price on
05-03-2026

$ 39.98 USD
Free Shipping on orders $49 and up
Timing chain guide rails wear down over time. It is imperative that you replace the chain and rails every 100,000 miles to prevent failure and possible engine damage. Fits the following BMW engines: M62
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ACL - Corporate Logo
T#:26771713
Part#: 6B1490H-STD
In Stock
$ 156.99 USD
Free Shipping on orders $49 and up
The ACL BMW M20/M50/M52/M54 Engine Standard Size High Performance Rod Bearing Set represents a specialized enhancement tailored to enhance the durability and reliability of BMW M20, M50, M52, and M54 engines. Engineered with meticulous precision, these rod bearings deliver improved performance and resilience, especially under rigorous conditions. Crafted with precision and employing premium materials, they guarantee exceptional strength and extended lifespan. As such, they are the ideal solution for enthusiasts and professional drivers aiming to enhance the performance and longevity of their BMW engines.
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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:640145
Part#: 12147518628
Ships in 9 Business Days
Sale - Save 16% $ 31.99

This product was last offered at the strikethrough price on
05-03-2026

$ 26.87 USD
Free Shipping on orders $49 and up
Sale - Save 16%
$ 31.99

This product was last offered at the strikethrough price on
05-03-2026

$ 26.87 USD
Free Shipping on orders $49 and up
A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivability issues
Bremmen Parts Rear cover
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:598392
Part#: 11147504376
Ships in 1-2 days
$ 73.99

This product was last offered at the strikethrough price on
03-17-2026

$ 52.50 USD
Free Shipping
$ 52.50 USD
Free Shipping
Often the cause of coolant leaks

Oil Pump Chain
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:26271802
Part#: 11417576915
In Stock
Sale - Save 50% $ 18.99

This product was last offered at the strikethrough price on
05-03-2026

$ 9.50 USD
Free Shipping on orders $49 and up
Sale - Save 50%
$ 18.99

This product was last offered at the strikethrough price on
05-03-2026

$ 9.50 USD
Free Shipping on orders $49 and up

Valley Pan Cover
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:2332903
Part#: 11141742042
Special Order: No Guaranteed ETA
Sale - Save 6% $ 70.99

This product was last offered at the strikethrough price on
05-03-2026

$ 66.85 USD
Free Shipping on orders $49 and up
Sale - Save 6%
$ 70.99

This product was last offered at the strikethrough price on
05-03-2026

$ 66.85 USD
Free Shipping on orders $49 and up
If your vehicle has started leaking coolant around the intake area and it is not the pipes it is probably the valley pan. Gasket included.