PARTEE RACING
BMW S54 ENGINE BUILDS

The BMW S54 engine stands as one of BMW’s finest inline-six masterpieces, powering the iconic E46 M3 with its high-revving character and impressive output. At Partee Racing, we specialize in comprehensive S54 engine rebuilds that enhance both performance and reliability beyond factory specifications. Our rebuilt S54 engines feature meticulously prepared S54 engine blocks, precision machining, and upgraded components that address known S54 engine reliability concerns. Our S54 BMW engine rebuilds can be configured for even greater output while maintaining daily drivability. For enthusiasts seeking an S54 engine for sale, our crate engine options provide a turnkey solution for any engine swap project. Each rebuild is thoroughly tested to ensure optimal performance across installation, making us the premier destination for premium BMW S54 crate engines that combine power, reliability, and the thrilling character that makes the S54 engine legendary in BMW S54 engine cars.

OUR ENGINES

Photo of the BMW S54 Inline 6 Cylinder engine

BMW S54 “Club Race” Longblock

Race-Proven Performance

Using precision-engineered components and race-tested upgrades, our “Club Race” build maximizes horsepower while ensuring durability. Designed for enthusiasts who demand the ultimate blend of power, reliability, and craftsmanship.

  • Bored out to 87.5mm and paired with upgraded 2618 Mahle pistons, WPC-treated bearings & a polished crankshaft
  • Competition-Grade Valve Job – Precision-machined on our Sunnen VGS-20 for peak efficiency and reliability.
  • Fully refurbished VANOS Units equipped with high-performance Beisan seals for long-term durability.
  • Authentic BMW components are used throughout, complemented by upgraded seals, tensioners, and chains.
  • Rated for 370+ WHP
Photo of the BMW S54 Inline 6 Cylinder engine

BMW S54 3.5L Stroker LONGBLOCK

Unleashing Raw Power with Precision Engineering

Partee Racing’s S54 Stroker Engine is the best stroker crank on the market today. This has the highest output and increases the stroke of the motor, hence the displacement of it. Enhanced with race-proven upgrades, our S54 Stroker Build delivers over 400 WHP in race trim and can be tuned down for street applications.

  • Precision-Engineered 97mm Stroker Crank. Featuring Arrow’s industry-leading crankshaft, exclusively available through VAC Motorsports
  • Carrillo or Arrow rods, Custom CP pistons, Schrick 288/280 camshafts and DLC rockers, and Supertech’s lash cap conversion kit
  • Rated for 400+ WHP

FREQUENTLY ASKED QUESTIONS

HOW MUCH DOES A BMW S54 ENGINE REBUILD COST?

Our BMW S54 engine rebuilds cost between $21,500 and $29,500, depending on the model you select, plus other upgrades & services. Submit an inquiry for the model you’re interested in for a detailed quote or contact us for more general questions.

CAN I CUSTOMIZE MY S54 REBUILD?

Absolutely! We offer a range of performance upgrades, including camshafts, ported heads, and custom tuning. Let us know your goals, and we’ll tailor your S54 build to meet your needs.

HOW LONG DOES IT TAKE TO COMPLETELY REBUILD A BMW S54 ENGINE?

Our BMW S54 engine rebuilds take between 3 and 6 months to complete from the time we receive your engine. Lead time can be impacted by the level of restoration chosen, availability of parts, and demand for similar items.

DOES THE BMW S54 ENGINE REBUILD INCLUDE ALL REQUIRED PARTS?

Yes, the BMW S54 engine rebuild includes all essential components and services. However, the price does not include the $2,500 core charge. Please refer to our Core Policy for details.

DO I NEED TO SEND MY ENGINE TO YOU?

You can send us your BMW S54 engine for rebuilding, or we can remove and install it at our facility. Installation services are available for an additional cost.

IS THERE AN ENGINE CORE CHARGE?

Yes, the $2,500 core charge ensures we receive a rebuildable S54 engine core in return. If you send us your engine core in acceptable condition, the charge will be refunded. See our Core Policy for details.

DO YOU SHIP REBUILT ENGINES?

Yes, we can ship rebuilt S54 engines worldwide. Shipping costs vary depending on your location and engine specifications. Contact us for a shipping quote.