

5150 AutoSport
BMW M50 M52 S50 S52 Stroker Kit by 5150 AutoSport
BACKORDER - AVAILABLE
Connecting Rods
Bore Options
Compression Ratio
Choose options
BACKORDER - AVAILABLE
Connecting Rods
Bore Options
Compression Ratio
BACKORDER - AVAILABLE
Connecting Rods
Bore Options
Compression Ratio
Build your BMW M52TU / M50 / M52 / S50 engines with the BMW M50 M52 S50 S52 Stroker Kit by 5150 AutoSport, to handle serious power and sustained high-RPM abuse. Engineered by 5150 AutoSport, this stroker kit is built to the standards demanded by high-performance and motorsport BMW builds.
Key Features
- Designed for BMW M52TU / M50 / M52 / S50 engines
- Forged from high-strength, lightweight materials
- Engineered for maximum power and durability
- Precision-machined to exacting tolerances
- Suitable for naturally aspirated and forced-induction builds
- Rigorously tested motorsport-grade quality
- Available in multiple connecting rods options to suit your build
- Supplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide
Product Details
BMW M50 M52 S50 S52 Stroker Kit by 5150 AutoSport
Bigger displacement, more torque and more power; Our 5150 AutoSport BMW M50 M52 S50 S52 Stroker Kits are specifically designed for BMW M5X / S5X inline-6 Engines.
Utilizing CP-Carrillo Pro-Xtreme Forged Pistons and Connecting Rods, as well as the 5150 4340 Billet Steel Crankshaft, our BMW M50 M52 S50 S52 Stroker Kit has stood up to the tests and trials of high horsepower application time and time again. Featured in our very own 5150 Bully E36, we only sell you the products that we have used and tested ourselves.
Benefits of Stroking an Engine:
- Higher displacement offers greater power output and torque from increased cylinder volume and improved air-fuel mixture combustion
- Longer crankshaft stroke increases connecting rod leverage for increased torque output at lower RPMs
- Improved throttle response
- Increased horsepower
Teams have applied this kit in Hill Climb, Road Racing, Endurance Racing, Rally, Time Attack, Drag Racing, Roll Racing, Drifting, and Street applications, all with powerful results.
BMW M50 M52 S50 S52 Stroker Kit Contents:
- 5150 AutoSport 4340 Billet Steel Crankshaft
- Professionally turned, polished, and coated with anti-wear coating
- Fully balanced
- Manley Performance Connecting Rods (Rated for 1,000HP, 8500 RPM)
- Optional Upgrade to CP-Carrillo Pro-Xtreme Forged Connecting Rods (Rated for 2,000HP, 9500 RPM)
- CP-Carrillo Pro-Xtreme Forged Pistons
- CP-Carrillo Piston Wrist Pins
- CP-Carrillo Piston Rings
- CP-Carrillo Piston Wire Locks
Our BMW M50 M52 S50 S52 Stroker Kit offers varying displacements, ranging from 3300 cc to 3500 cc, depending on the selected bore size:
84.5 mm bore size for 3270 cc displacement
85 mm bore size for 3303 cc displacement
85.5 mm bore size for 3342 cc displacement
86 mm bore size for 3381 cc displacement
86.5 mm bore size for 3420 cc displacement
87 mm bore size for 3460 cc displacement
Have more questions? Contact our engine build advisors to discuss your build.
BMW M50 Applications:
3 Series
1990-1995 E36 320i / 325i / 325is
1994-1996 E35/E36 318ti
5 Series
1990-1996 E34 520i / 525i
1991-1996 E34 Touring 520i / 525i
Z Series
1995 E36/E37 Z3 2.0i / 2.5i
BMW M52 Applications:
3 Series
1994-1999 E36 320i / 323i / 323is / 328i / 328is
1997-2000 E35/E36 318ti / 323ti
5 Series
1996-1998 E39 520i / 523i / 528i
7 Series
1996-1998 E38 728i / 728iL
Z Series
1996-1999 E36/E37/E38 Z3 2.0i / 2.2i / 2.8i
BMW S50 US Applications:
3 Series
1994-1995 E36 M3
BMW S52 Applications:
3 Series
1996-1999 E36 M3
Z Series
1998-2000 E36/E37/E38 Z3M
Connecting Rods Options
- Manley Performance
- CP-Carrillo
Compatibility
BMW M52TU Models
- BMW E46 323i / 328i
- BMW E39 528i
- BMW Z3 2.5 / 2.8
BMW M50 Models
- BMW E34 525i
- BMW E36 320i / 325i
BMW M52 Models
- BMW E36 323i / 328i
- BMW E39 523i / 528i
- BMW Z3 2.8
BMW S50 Models
- BMW E36 M3 (Euro)
BMW S52 Models
- BMW E36 M3 (US, 1996-1999)
- BMW Z3 M Roadster / Coupe (US)
Why Choose 5150 AutoSport?
- Purpose-built BMW performance engineering
- Components developed for high-power, real-world durability
- Trusted by serious BMW engine builders
- Specialist knowledge of forced-induction and high-RPM builds
Why Buy from R44 Performance?
R44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.
- BMW specialists
- Genuine 5150 AutoSport products
- Fast UK & worldwide shipping
- Expert product support
Upgrade your BMW M52TU / M50 / M52 / S50 build with the BMW M50 M52 S50 S52 Stroker Kit by 5150 AutoSport — available now from R44 Performance.
Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.
It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.
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We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
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For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.
