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BMW Internal Engine Parts

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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Glyco Connecting Rod Bearing Set
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Glyco - Corporate Logo
T#:375825
Part#: 11241284849
Ships in 2 Business Days
$ 92.02 USD
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Standard bore - 45mm
Glyco "Yellow" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E...
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Glyco - Corporate Logo
T#:375823
Part#: 11211706847
In Stock
$ 136.06 USD
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$ 136.06 USD
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Standard bore
Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually) ...
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Glyco - Corporate Logo
T#:183
Part#: 11241310515
In Stock
$ 30.59

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

$ 27.99 USD
Limited Qty Sale
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$ 30.59

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

$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
E30 M3, E28 M5, E24 M6, E34 M5 Rod Bearing. Sold individually. Standard sizing.

This item fits the following BMWs
1988-1991 BMW E30 M3 - 8 required.
1988 BMW E28 M5 - 12 required.
1989-1993 BMW E34 M5 3.6 liter - 12 required.
1987-1989 BMW E24 M6 - 12 required.
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Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-l...
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Wiseco - Corporate Logo
T#:26538305
Part#: 9400XX
In Stock
$ 31.99

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

$ 30.99 USD
Limited Qty Sale
Free Shipping
$ 31.99

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

$ 30.99 USD
Limited Qty Sale
Free Shipping

Main Bearing Set - Standard Size - E30 M3 2.3 liter
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Glyco - Corporate Logo
T#:3166
Part#: 11210666110
In Stock
$ 99.99

This product was last offered at the strikethrough price on
05-02-2026

$ 87.99 USD
Limited Qty Sale
Free Shipping
$ 99.99

This product was last offered at the strikethrough price on
05-02-2026

$ 87.99 USD
Limited Qty Sale
Free Shipping
This E30 M3 Main bearing set is in standard size for the 2.3 liter S14 engine. This main bearing kit includes the thrust bearings.

This item fits the following BMWs:
1988-1991 E30 BMW M3
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Glyco Main Bearing Set (Standard) - E21, E28, E30
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Features All Single-Tang Main Bearings for Earlier M20 Engines
Glyco - Corporate Logo
T#:1196183
Part#: 11211722342
In Stock
$ 259.99

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

$ 252.99 USD
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$ 252.99 USD
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Forged Piston & Ring Set - 77mm - (Set of 4)
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Wiseco - Corporate Logo
T#:22756709
Part#: K618M77
In Stock
$ 696.99 USD
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When it comes to engine builds, whether you're planning a high-boost monster or a straightforward rebuild, the strength of your build is only as good as its weakest link. In this context, piston rings play a crucial role. They are not to be underestimated, as they can make or break your engine's performance and oil consumption.

Wiseco, a renowned and trusted name in the engine building world, has earned its reputation through consistent product performance. Their piston rings are no exception and are a valuable addition to your engine building puzzle.

Key Features:

  • Wiseco piston rings ensure optimal engine performance.
  • Trusted and respected brand in the engine building industry.
  • Compatible with a variety of engine builds.
  • 8.5:1 compression ratio for enhanced power and efficiency.
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MINI W11 1.6L Forged Piston & Ring Set (Set of 4) - 77.5mm
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Wiseco - Corporate Logo
T#:31158729
Part#: 618M775
In Stock
$ 696.99 USD
Free Shipping on orders $49 and up

MINI W11 1.6L Forged Piston & Ring Set (Set of 4) - 77.5mm is perfect for those planning a high-performance build with significant boost or compression, as well as for simple engine rebuilds. These pistons and rings ensure your engine operates at full potential without oil consumption issues.

  • Ideal for high-performance builds and simple rebuilds
  • Enhances engine strength and durability
  • Trusted Wiseco brand ensures reliable performance
  • 8.5:1 compression ratio for improved performance
  • Reduces the risk of oil consumption
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Glyco "Yellow" Crankshaft Bearing Shell - Set - E30, E36, E39, E46, E...
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Glyco - Corporate Logo
T#:375824
Part#: 11211706850
In Stock at Vendor
$ 126.61 USD
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$ 126.61 USD
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59.75MM(+0.25) bore

Wiseco BMW Turbo 84.50MM Bore +0.50 Oversized 8.8:1 CR Pistons ...
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Wiseco - Corporate Logo
T#:4319885
Part#: WISKE115M845
In Stock at Vendor
$ 1,157.99 USD
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$ 1,157.99 USD
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Includes piston rings and wrist pins.
Wiseco BMW Piston - set
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Wiseco - Corporate Logo
T#:640415
Part#: KE119M845
In Stock at Vendor
$ 1,157.99 USD
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$ 1,157.99 USD
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Wiseco BMW M52B28 2.8L 24V Turbo 84.5mm Bore +.50 Oversized 8.0:1 CR Pistons For M52
Rod Bearing Set (+0.25)
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Glyco - Corporate Logo
T#:23748157
Part#: 112412848516CYL-
Ships in 2 Business Days
$ 331.13 USD
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Glyco "Green" Crankshaft Bearing Shell - Set - E39, E46, E53, E83, Z3...
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Glyco - Corporate Logo
T#:374671
Part#: 11211706848
Ships in 1-2 days
$ 194.32 USD
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$ 194.32 USD
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Standard bore
Wiseco Forged Piston & Ring Set - E30 M3 2.3 Liter - 3.720 Inch Bore ...
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Wiseco - Corporate Logo
T#:387797
Part#: TEN300623SKT
Ships on Aug 14, 2026
$ 699.00 USD
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$ 699.00 USD
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Wiseco BMW E30 M3 Piston set - 3.720" bore. Wiseco leads the performance aftermarket by producing the highest quality forged pistons. Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable and will stand up to the abuse that high-performance motorsport applications require. Each set comes with rings, wrist pins, and clips. Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco’s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers. Bore Diameter - 94.50 Compression Height - 32.00 Forging Type - Full Round Oil Ring Thickness2.8 Piston Material - 2618 Piston Pin Included - Yes Piston Pin Material - 9310 Piston Volume - -32.00 Product Series - European Product Types - Piston Kits Ringset Included - Yes Second Compression Ring Thickness - 1.2 Skirt Coating - Y Top Compression Ring Thickness - 1.0 Wrist Pin Diameter - 0.866 Wrist Pin Style - Floating This item fits the following BMWs: 1988-1991 E30 BMW M3 2.3 liter
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E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set
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Wiseco - Corporate Logo
T#:339073
Part#: WISECO2.5
Ships on Aug 13, 2026
Starting at $ 699.80 USD
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Starting at $ 699.80 USD
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The TMS/Wiseco 11.25:1 piston set was designed for use with the Evo3 2.5 liter crank and 2.3 connectig rods. The pistons are 95mm bore. Each set comes with rings, wrist pins and clips. Now also available in a +.25mm Overbore!

For seventy five years, Wiseco has been the piston of choice when it’s time to replace engine internals. To this day Wisco is one of the sole manufacturers of forged pistons within the United States and continues develop new and exciting products everyday.

Piston Specs:
Comp Height = 1.200
Bore Size = 3.7400 (as measured on piston skirt, 1.3" below oil ring)
Suggested Clearance = .0040
Weight = 388-389g (varies piston to piston)
Valve Pocket Dia. = 1.60 (i) / 1.40 (e)
Valve Pocket Angle = 18 (i) / 19.50 (e)
Depth from TE = -.1050 (i) / -.1350 (e)

This item fits the following BMWs:
1987-1991 E30 BMW M3 with Turner 2.5 Kit
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Glyco Connecting Rod Bushing
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Glyco - Corporate Logo
T#:374292
Part#: 11241278209
Ships in 2 Business Days
$ 6.11 USD
Free Shipping on orders $49 and up
Press fit into small journal of connecting rod

Glyco Connecting Rod Bushing - E12, E21, E23, E24, E28, E3, E30, E32,...
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Glyco - Corporate Logo
T#:187165
Part#: 11240618100
In Stock at Vendor
$ 12.99 USD
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OEM BMW Connecting Rod Bush
M50B25 2.5L Engine 11:1 CR 84.5MM Bore Custom Pistons (Set Of 6) ...
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Wiseco - Corporate Logo
T#:19858301
Part#: KE114M845AP
Special Order: No Guaranteed ETA
$ 1,000.99 USD
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Wiseco Forged Piston & Ring - E30 M3 2.3 liter - 3.720 inch bore (94....
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:2380
Part#: TEN300623S
Special Order: No Guaranteed ETA
$ 726.99 USD
Free Shipping
$ 726.99 USD
Free Shipping
Wiseco BMW E30 M3 Piston set - 3.720" bore. Wiseco leads the performance aftermarket by producing the highest quality forged pistons. Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable and will stand up to the abuse that high-performance motorsport applications require. Each set comes with rings, wrist pins, and clips. Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco’s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers. Bore Diameter - 94.50 Compression Height - 32.00 Forging Type - Full Round Oil Ring Thickness2.8 Piston Material - 2618 Piston Pin Included - Yes Piston Pin Material - 9310 Piston Volume - -32.00 Product Series - European Product Types - Piston Kits Ringset Included - Yes Second Compression Ring Thickness - 1.2 Skirt Coating - Y Top Compression Ring Thickness - 1.0 Wrist Pin Diameter - 0.866 Wrist Pin Style - Floating This item fits the following BMWs: 1988-1991 E30 BMW M3 2.3 liter
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Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...
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Glyco - Corporate Logo
T#:374672
Part#: 11211706852
Back Ordered
$ 111.99

This product was last offered at the strikethrough price on
05-07-2026

$ 108.99 USD
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$ 108.99 USD
Free Shipping
59.75MM(+0.25) bore

Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:374670
Part#: 11211706849
Back Ordered
$ 177.99

This product was last offered at the strikethrough price on
05-07-2026

$ 172.99 USD
Free Shipping
$ 172.99 USD
Free Shipping
Standard bore

Professional BMW M54B30 Piston Set Of 6 – 84.00 Mm Bore – 30.32 M...
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Wiseco - Corporate Logo
T#:45210339
Part#: KE324M84
Back Ordered
$ 1,081.99 USD
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