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Wiseco Pistons

Most BMW engines feature cast pistons. While this does wonders for weight and efficiency, they do not handle increased power levels or boost very well. Turner Motorsport carries Genuine BMW replacements as well as high performance aftermarket options for high horsepower applications.
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Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-l...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:339073
Part#: WISECO2.5
Ships on Aug 7, 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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MINI W11 1.6L Forged Piston & Ring Set (Set of 4) - 77.5mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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Forged Piston & Ring Set - 77mm - (Set of 4)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wiseco - Corporate Logo
T#:22756709
Part#: K618M77
In Stock
$ 696.99 USD
Free Shipping on orders $49 and up

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 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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

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
Free Shipping on orders $49 and up
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
Free Shipping on orders $49 and up