BMW Internal Engine Parts for BMW 6 Series E63 (2004-2010)

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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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ACL Standard Size High Performance Rod Bearing Set - Extra Oil Cleara...
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ACL - Corporate Logo
T#:640090
Part#: 10B1580HX
In Stock
$ 376.99

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

$ 224.99 USD
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$ 224.99 USD
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Includes upper and lower bearing shells for a complete rod bearing replacement. Race Series with 0.025mm (.001”) extra clearance for better oiling.
ACL Race Series High Performance Main Bearing Set - BMW S85
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ACL - Corporate Logo
T#:34114246
Part#: 6M1581H-STD
Back Ordered
$ 495.99 USD
Free Shipping on orders $49 and up

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW S85 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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MAHLE PowerPak Piston Kit 92.50mm - S85 - 5.0L
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Mahle Motorsports - Corporate Logo
T#:2928993
Part#: 197859542
Ships in 2 Business Days
$ 1,787.99 USD
Free Shipping
$ 1,787.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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MAHLE PowerPak Piston Kit 92.00mm - S85 - 5.0L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928992
Part#: 197859522
Ships in 2 Business Days
$ 1,787.99 USD
Free Shipping
$ 1,787.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S65 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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MAHLE PowerPak Piston Kit 92mm with Thermal Barrier Coating (TBC) - S...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928996
Part#: 197859622T
Special Order: No Guaranteed ETA
$ 1,782.99 USD
Free Shipping
$ 1,782.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less
MAHLE PowerPak Piston Kit 92.00mm with Thermal Barrier Coating (TBC) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928991
Part#: 197859522T
Special Order: No Guaranteed ETA
$ 1,782.99 USD
Free Shipping
$ 1,782.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S65 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

MAHLE Powerpak Piston Kit 92.50mm - S85 - 5.0L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928998
Part#: 197859642
Ships in 2 Business Days
$ 1,787.99 USD
Free Shipping
$ 1,787.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less
MAHLE PowerPak Piston Kit 92mm - S85 - 5.0L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928995
Part#: 197859622
Ships in 2 Business Days
$ 1,787.99 USD
Free Shipping
$ 1,787.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

MAHLE PowerPak Piston Kit 92.50mm with Thermal Barrier Coating (TBC) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928994
Part#: 197859542T
Special Order: No Guaranteed ETA
$ 1,782.99 USD
Free Shipping
$ 1,782.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

MAHLE PowerPak Piston Kit 92.50mm with Thermal Barrier Coating (TBC) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928997
Part#: 197859642T
Special Order: No Guaranteed ETA
$ 1,782.99 USD
$ 1,782.99 USD
Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less