Pistons for BMW 3 Series E30 (1984-1991)

Clear BMW chassis

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...

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

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Qty

$ 31.99

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

$ 30.99 USD

Limited Qty Sale

Add to Wish List

E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set

T#:339073

Part#: WISECO2.5

Ships on Aug 27, 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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CP Carrillo Forged Piston Set - 94mm Bore, 11:1 Compression Ratio - E...

T#:637130

Part#: CP-FPS-S14-2.3A

Special Order: No Guaranteed ETA

$ 899.99 USD

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$ 899.99 USD

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Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis and R&D. As in racing, it takes a lot to be number one; here at CP-Carrillo we have it all and are number one in piston design, enabling our customers to come in first on race day.

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Pistons for BMW 3 Series E30 (1984-1991)

Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-l...

E30 M3 2.5L Turner/Wiseco 11.25:1 Piston Set

CP Carrillo Forged Piston Set - 94mm Bore, 11:1 Compression Ratio - E...

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