5150 AutoSport BMW S55 Pro Series Turbo Build Kit For F80 M3, F82/F83 M4 & F87 M2 Competition

The 5150 AutoSport S55 Pro Series Turbo Build Kit is a comprehensive internal engine solution developed to support high-horsepower turbocharged BMW S55 builds. Designed with strength, reliability and precision at the forefront, this kit brings together carefully selected forged internals and upgraded fasteners to prepare your engine for increased boost and sustained power output. Each kit is assembled to deliver exceptional durability while maintaining compatibility with factory architecture, making it a trusted foundation for serious S55 performance builds.

A Kit for Every Build & Budget

No two builds are the same, which is why 5150 AutoSport offers multiple upgrade levels within the Pro Series range. Through meticulous component pairing and proven internal upgrades, each stage caters to different power targets and build requirements, allowing you to choose the most suitable option for your intended output and usage.

Level 1 – Up to 700 HP

A strong and reliable internal upgrade for moderate power increases.

Includes:

• ARP2000 head stud kit

• Genuine BMW head gasket

• CP-Carrillo forged piston set

• Manley Performance forged connecting rod set

• ARP connecting rod bolts

• 5150 high-performance rod bearing set

• 5150 high-performance main bearing set

Level 2 – Up to 1,000 HP

Designed for higher boost applications requiring reinforced internals and enhanced strength.

Includes:

• ARP Custom Age 625+ head stud kit

• Genuine BMW head gasket

• CP x 5150 Pro-Xtreme forged piston set

  • Heavy-duty piston pins

• CP-Carrillo x 5150 Pro-Xtreme forged connecting rod set

• 5150 high-performance main bearing set

• 5150 high-performance rod bearing set

Pro-Xtreme – Up to 1,800 HP

The ultimate internal engine solution for extreme S55 power levels.

Includes:

• ARP Custom Age 625+ head stud kit

• Genuine BMW head gasket

• 5150 Xtreme Duty cylinder sleeve set

• CP x 5150 Pro-Xtreme forged piston set

  • Heavy-duty piston pins

• CP-Carrillo x 5150 Pro-Xtreme forged connecting rod set

• 5150 high-performance main bearing set

• 5150 high-performance rod bearing set

Important Installation Notes

All engine modifications must be carried out by a qualified professional to ensure correct installation, safety and long-term reliability. For builds exceeding 1,000 HP, 5150 recommends additional cylinder head or block sealing measures to maximise combustion sealing under high boost conditions.

Vehicle Compatibility

BMW S55 Engine

• BMW F80 M3

• BMW F82 / F83 M4

• BMW F87 M2 Competition

Why Choose 5150 AutoSport?

5150 AutoSport is renowned for producing high-quality internal engine solutions trusted by professional builders worldwide. Their Pro Series kits combine proven components, precise tolerances and extensive real-world testing to deliver dependable strength for demanding S55 applications.

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.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

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.

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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.