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E30 M3 2.5L Turner/Wiseco 11.25:1 Piston

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T#:3430

Part#: TMS3430

Ships on Aug 20, 2026

$ 174.95 USD

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$ 174.95 USD

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The TMS/Wiseco 11.25:1 piston 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!

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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Wiseco

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T#:301292

Part#: WISECO2.5 /3750

In Stock

$ 174.99 USD

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Qty

$ 174.99 USD

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HJS 65mm Exhaust Clamp

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

T#:391152

Part#: 18307536426

In Stock

$ 47.03 USD

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Qty

$ 47.03 USD

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Used to seal exhaust components

RING Compressor Sleeve - 77.50mm

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

T#:16807149

Part#: RCS07750

In Stock at Vendor

$ 49.99 USD

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Qty

$ 49.99 USD

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Wiseco BMW M52B28 2.8L 24V Turbo Standard Bore 8.0:1 CR Pistons ...

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T#:640416

Part#: KE119M84

In Stock at Vendor

$ 1,157.99 USD

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Qty

$ 1,157.99 USD

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

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T#:388358

Part#: 339073TCK635EP68

Ships on Aug 20, 2026

$ 699.00 USD

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$ 699.00 USD

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

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T#:3439

Part#: WISERING

Special Order: No Guaranteed ETA

$ 31.99 USD

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Qty

$ 31.99 USD

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Replacement set of piston rings for the Wiseco pistons used in the TMS E30 M3 2.5-liter conversion. These are the same 95mm bore as the 2.5-liter conversion. Ring set includes 3 rings. Sold PER PISTON (Qty 1 = 1 piston)

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 to develop new and exciting products every day.

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

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T#:391566

Part#: 339073TCKEBYT1GG

Ships on Aug 20, 2026

$ 699.99 USD

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Qty

$ 699.99 USD

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Professional Mini Cooper TriTec Piston - 77.00mm Bore - 8.5:1 - 1.043...

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T#:48815400

Part#: 6618M77

Special Order: No Guaranteed ETA

$ 183.99 USD

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Qty

$ 183.99 USD

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Wiseco Mini-Cooper TriTec Piston, 77.00 mm Bore, 1.0435 in. Compression Height, 0.8268 in. Pin Diameter, European, Set of 1. Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco’s Professional Series.

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Rear Exhaust Hanger - Priced Each

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T#:380614

Part#: 18201438435

In Stock

$ 18.99

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

$ 15.99 USD

Limited Qty Sale

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Qty

$ 18.99

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

$ 15.99 USD

Limited Qty Sale

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Piston Ring Set - Priced Per Piston

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T#:376616

Part#: WIS8700XX

In Stock at Vendor

$ 33.99 USD

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Qty

$ 33.99 USD

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Exhaust Gasket - Priced Each

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T#:726001

Part#: 18111723530

Back Ordered

$ 12.99 USD

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Qty

$ 12.99 USD

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E36 Rear Muffler Clamp Kit

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T#:25765

Part#: 18211723410K

Ships in 1-2 days

$ 16.99 USD

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Qty

$ 16.99 USD

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This set of upper and lower clamps is the perfect addition to our Hanger Kit, especially if you're going back to a stock muffler from aftermarket and no longer have these required clamps. The stock mufflers (standard E36 or M3) use this clamp method around a lip on the muffler body. But most aftermarket muffler systems don't use the clamp and bolt straight to the rubber hanger. So these stock pieces are often thrown away which will make it impossible to re-install the stock muffler. These are the OEM muffler clamps.

Kit Includes:

18211723555 (18201402479), upper clamp bracket (L shaped)

18211723410, lower clamp bracket

M8 hex bolt

M8 hex nut x 2
Sold as pictured - order 2 for a complete muffler.

This item fits the following BMWs:
1992-1999 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3

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HJS Turbocharger Inlet Clamp - Exhaust Manifold to Turbocharger - F01...

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T#:596577

Part#: 11657620507

Ships in 1-2 days

$ 22.99 USD

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Qty

$ 22.99 USD

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MINI Clamp Upper - 18207520245

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T#:22610

Part#: 18207520245

Ships on Aug 4, 2026

$ 44.99 USD

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Qty

$ 44.99 USD

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MINI CLAMP UPPER.--

This item fits the following BMWs:
MINI Cooper - Mini Cooper, Mini Cooper Convt

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HJS Lower Support Clamp - E46

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T#:1196075

Part#: 18101433250

Ships on Aug 4, 2026

$ 19.18 USD

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Qty

$ 19.18 USD

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Lower clamp to support exhaust mid-pipe

HJS Upper Exhaust Support Bracket - E46

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T#:1196076

Part#: 18301436331

Ships on Aug 4, 2026

$ 14.99 USD

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Qty

$ 14.99 USD

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Upper bracket to support lower exhaust clamp on the mid-pipe

Exhaust Gasket

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T#:584244

Part#: 18307589503

Ships on Aug 4, 2026

$ 11.99 USD

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Qty

$ 11.99 USD

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Professional BMW M50B25 Piston Set – 84.50 Mm Bore

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T#:32748258

Part#: KE114M845

Special Order: No Guaranteed ETA

$ 892.99 USD

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Qty

$ 892.99 USD

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Wiseco Piston Kit - 94.00mm - BMW S14B23

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T#:13529580

Part#: KE110M94

Special Order: No Guaranteed ETA

$ 824.99 USD

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Qty

$ 824.99 USD

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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: 94.00 Compression Height: 30.22 Forging Type: Full Round Oil Ring Thickness: 2.8 Piston Material: 2618 Piston Pin Included: Yes Piston Pin Material: 9310 Piston Volume: -38.00 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

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RING Compressor Sleeve - 82.50mm

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

T#:50934357

Part#: RCS08250

In Stock at Vendor

$ 37.99 USD

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Qty

$ 37.99 USD

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Wiseco Piston Set - 84.0mm Bore - Standard Size - 8.8:1 CR - BMW M50...

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

T#:15710835

Part#: KE118M84

Back Ordered

$ 1,157.99 USD

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Qty

$ 1,157.99 USD

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Wiseco Piston Kit - 94.50mm - BMW S14B23

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

T#:13529581

Part#: KE111M945

Back Ordered

$ 858.99 USD

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Qty

$ 858.99 USD

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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: 30.22 Forging Type: Full Round Oil Ring Thickness: 2.8 Piston Material: 2618 Piston Pin Included: Yes Piston Pin Material: 9310 Piston Volume: -6.00 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

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Set Of 6 - M50B30 / S50B30 Forged Pistons

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

T#:20386735

Part#: KE121M86

Back Ordered

$ 1,157.99 USD

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Qty

$ 1,157.99 USD

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86.0mm Standard -10 Dome Dish 10.0:1 CR Pistons - Set of 6

Project Cars

SELECT YOUR BMW

E30 M3 2.5L Turner/Wiseco 11.25:1 Piston

Wiseco

HJS 65mm Exhaust Clamp

RING Compressor Sleeve - 77.50mm

Wiseco BMW M52B28 2.8L 24V Turbo Standard Bore 8.0:1 CR Pistons ...

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

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

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

Professional Mini Cooper TriTec Piston - 77.00mm Bore - 8.5:1 - 1.043...

Rear Exhaust Hanger - Priced Each

Piston Ring Set - Priced Per Piston

Exhaust Gasket - Priced Each

E36 Rear Muffler Clamp Kit

HJS Turbocharger Inlet Clamp - Exhaust Manifold to Turbocharger - F01...

MINI Clamp Upper - 18207520245

HJS Lower Support Clamp - E46

HJS Upper Exhaust Support Bracket - E46

Exhaust Gasket

Professional BMW M50B25 Piston Set – 84.50 Mm Bore

Wiseco Piston Kit - 94.00mm - BMW S14B23

RING Compressor Sleeve - 82.50mm

Wiseco Piston Set - 84.0mm Bore - Standard Size - 8.8:1 CR - BMW M50...

Wiseco Piston Kit - 94.50mm - BMW S14B23

Set Of 6 - M50B30 / S50B30 Forged Pistons

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