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Wiseco 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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Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-liter Pistons
Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-l...
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T#:26538305
Part#: 9400XX
In Stock
$ 31.99

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

$ 30.99 USD
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$ 31.99

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

$ 30.99 USD
Limited Qty Sale
Free Shipping
Add to Wish List
E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set
E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:339073
Part#: WISECO2.5
Ships on Jul 16, 2026
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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MINI W11 1.6L Forged Piston & Ring Set (Set of 4) - 77.5mm
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
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$ 696.99 USD
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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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Forged Piston & Ring Set - 77mm - (Set of 4)
Forged Piston & Ring Set - 77mm - (Set of 4)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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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Wiseco BMW Turbo 84.50MM Bore +0.50 Oversized 8.8:1 CR Pistons
Wiseco BMW Turbo 84.50MM Bore +0.50 Oversized 8.8:1 CR Pistons ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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
Wiseco BMW Piston - set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Wiseco Forged Piston & Ring Set - E30 M3 2.3 Liter - 3.720 Inch Bore (94.5mm)
Wiseco Forged Piston & Ring Set - E30 M3 2.3 Liter - 3.720 Inch B...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:387797
Part#: TEN300623SKT
Ships on Jul 16, 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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M50B25 2.5L Engine 11:1 CR 84.5MM Bore Custom Pistons (Set Of 6)
M50B25 2.5L Engine 11:1 CR 84.5MM Bore Custom Pistons (Set Of 6) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:19858301
Part#: KE114M845AP
Special Order: No Guaranteed ETA
$ 1,000.99 USD
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$ 1,000.99 USD
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Wiseco Forged Piston & Ring - E30 M3 2.3 liter - 3.720 inch bore (94.5mm)
Wiseco Forged Piston & Ring - E30 M3 2.3 liter - 3.720 inch bore ...
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
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$ 726.99 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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Professional BMW M54B30 Piston Set Of 6 – 84.00 Mm Bore – 30.32 Mm CH, -7.30 CC
Professional BMW M54B30 Piston Set Of 6 – 84.00 Mm Bore – 30.32 M...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:45210339
Part#: KE324M84
Back Ordered
$ 1,081.99 USD
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$ 1,081.99 USD
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