BMW Engine Parts for BMW 3 Series E46 (1999-2005)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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ACL - Corporate Logo
T#:384205
Part#: 11247835439/40
In Stock
20% off MSRP $ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 158.99 USD
Free Shipping on orders $49 and up
20% off MSRP
$ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 158.99 USD
Free Shipping on orders $49 and up

Introducing the BMW S54B32 (E46 M3, Z3M, Z4M) Race Series High-Performance Connecting Rod Bearing Set by ACL. Elevate your BMW's performance with these precision-engineered connecting rod bearings, specifically designed for the S54 engine.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW S65 V8 engine in the E90 M3, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW S54 engine with the Race Series High-Performance Connecting Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

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Burger Motorsports - Corporate Logo
T#:26404907
Part#: 12MMSPG
In Stock
$ 35.00 USD
Free Shipping on orders $49 and up

Spark Plug Gapper Tool BMS Billet is essential for accurately adjusting the gap of spark plugs. This precision tool ensures that each plug is set to the exact specifications required for optimal engine performance. Made in the USA, it features a 12mm plug thread size, making it suitable for a wide range of applications.

  • Precision Adjustment: Allows for accurate gap adjustments to ensure optimal spark performance and engine efficiency.
  • Speed and Efficiency: Streamlines the process of gapping plugs while maintaining high precision, saving time and effort.
  • High-Quality Construction: Crafted from billet materials for durability and reliability, ensuring long-term use.
  • Lifetime Replacement Program: Comes with a lifetime replacement guarantee, reflecting confidence in the tool's quality and performance.

Upgrade your spark plug maintenance with the Spark Plug Gapper Tool BMS Billet for a reliable and precise solution.

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King - Corporate Logo
T#:25706115
Part#: MB7039AM
In Stock
13% off MSRP $ 207.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up
13% off MSRP
$ 207.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up

ACL - Corporate Logo
T#:26771713
Part#: 6B1490H-STD
In Stock
$ 156.99 USD
Free Shipping on orders $49 and up
The ACL BMW M20/M50/M52/M54 Engine Standard Size High Performance Rod Bearing Set represents a specialized enhancement tailored to enhance the durability and reliability of BMW M20, M50, M52, and M54 engines. Engineered with meticulous precision, these rod bearings deliver improved performance and resilience, especially under rigorous conditions. Crafted with precision and employing premium materials, they guarantee exceptional strength and extended lifespan. As such, they are the ideal solution for enthusiasts and professional drivers aiming to enhance the performance and longevity of their BMW engines.
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King - Corporate Logo
T#:25706122
Part#: CR6640SM
In Stock
13% off MSRP $ 207.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up
13% off MSRP
$ 207.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up
Burger Motorsports - Corporate Logo
T#:583132
Part#: BMSBSPGT14MM
Ships in 7 Business Days
$ 35.00 USD
Free Shipping on orders $49 and up

BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.

  • Precisely gaps spark plugs for enhanced engine performance and efficiency
  • Speeds up the gapping process while ensuring accuracy and uniformity
  • Available in two sizes (14mm and 12mm) for a wider range of compatibility
  • Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
  • Made in the USA for premium quality and durability
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JE Piston - Corporate Logo
T#:599658
Part#: 297117
In Stock at Vendor
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE, BMW, S54B32, 3.425 in. Bore, 11.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons’ performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications Designed specifically for each engine and use application to provide optimized performance durability Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings Made 100% in the USA Specifications: Piston Series: JE Pistons Cylinder Head: S54B32 USA Bore Diameter: 87.00 MM Piston Head Type: Dish Compression Height: 1.271 IN Piston Volume: -13.20 CC Piston Material: 2618 Piston Quantity: 6 Forging Type: FSR Piston Average Weight: 329 GR Ring Set Included: Yes Top Compression Ring Thickness: 0.0400 IN Second Compression Ring Thickness: 0.0480 IN Oil Ring Thickness: 0.111 IN Wrist Pin Outer Diameter: 0.827 IN Wrist Pin Length: 2.250 IN Wrist Pin Wall Thickness: 0.150 IN
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ACL - Corporate Logo
T#:23218017
Part#: 6B1569H-.25
In Stock at Vendor
$ 197.99 USD
Free Shipping on orders $49 and up
Includes upper and lower bearing shells for a complete rod bearing replacement. Race Series with 0.025mm (.001”) extra clearance for better oiling. High-performance Trimetal engine bearings Designed to withstand higher RPM conditions High-strength overlay plate with reduced thickness for improved fatigue properties
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King - Corporate Logo
T#:16707423
Part#: CR6877XP
In Stock at Vendor
3% off MSRP $ 309.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 300.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 309.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 300.99 USD
Free Shipping on orders $49 and up
King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells
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POR-15 - Corporate Logo
T#:1575841
Part#: POR49216
Ships in 6 Business Days
$ 40.99 USD
Free Shipping on orders $49 and up
POR-15 Fuel Tank Sealer was formulated and developed in our own laboratories due to the demand for a high-tech sealer impervious to all fuels, including the new Stage II fuels which have a high alcohol content.
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King - Corporate Logo
T#:25706120
Part#: MB7039AM0.25
Ships in 6 Business Days
13% off MSRP $ 207.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up
13% off MSRP
$ 207.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 179.99 USD
Free Shipping on orders $49 and up
Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!


JE Piston - Corporate Logo
T#:33679693
Part#: 297172S
In Stock at Vendor
$ 1,324.99 USD
Free Shipping on orders $49 and up

The BMW JE Piston S54B32 11.5:1 Piston Single 86.50mm is a high-performance piston designed to optimize the power and efficiency of BMW S54 engines. With an 11.5:1 compression ratio, this piston is ideal for those seeking to push the performance limits of their vehicle. Built from top-quality materials, it offers superior durability, making it suitable for both street and track applications. Available at Turner Motorsport, this piston ensures enhanced reliability and a precise fit for BMW S54 engines.

This piston is designed to withstand the demands of high-performance driving while improving overall engine combustion and efficiency. It is an excellent choice for BMW owners looking to improve engine performance, longevity, and power output. Detail: 86.50 mm Bore – 1.220 in. CH, -9.40 CC

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King - Corporate Logo
T#:25706111
Part#: CR6877XP0.25
Back Ordered
$ 300.99 USD
Free Shipping on orders $49 and up
King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a tri-metal base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells - .025 Oversize
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JE Piston - Corporate Logo
T#:33646290
Part#: 397118S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
Unlock your BMW S54's potential with the JE S54B32 piston—crafted from lightweight forged aluminum for ultimate strength and performance. Detail: 11.5:1 Compression - 87.50 mm Bore – 1.271 in. CH, -13.80 CC
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JE Piston - Corporate Logo
T#:33679701
Part#: 297175S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
p>JE Pistons BMW S52B32 USA Piston - 12.5:1 Compression – 87.00 mm Bore – 1.220 in. CH, -5.50 CC is a top-tier performance upgrade for BMW enthusiasts seeking to unleash the full potential of their S52B32 engine. Designed for precision and reliability, these pistons are offered by Turner Motorsport, ensuring that every component meets the highest standards of performance.
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JE Piston - Corporate Logo
T#:33679697
Part#: 297174S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S52B32 USA Piston – 12.5:1 Compression 86.50 mm Bore – 1.220 in. CH, -5.00 CC is an advanced piston engineered for high-performance BMW engines. Specifically designed for the S52B32 engine, this piston delivers exceptional compression and power, making it a must-have for performance enthusiasts. Available at Turner Motorsport, this USA-made piston is perfect for drivers who demand both reliability and peak engine performance.
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JE Piston - Corporate Logo
T#:33646305
Part#: 297171S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up

The BMW JE Piston S54B32 9:1 Piston Single 87.00mm is a premium performance upgrade designed for BMW enthusiasts looking to enhance engine durability and output. Specifically crafted for the BMW S54 engine, this piston ensures optimal compression and power, providing the necessary strength to handle high-performance driving conditions. Available through Turner Motorsport, this piston is engineered to meet the demands of both street and track driving, offering exceptional reliability.

The precision-crafted piston ensures a perfect fit, allowing for improved combustion efficiency and overall engine performance. It's the ideal choice for drivers seeking to boost their BMW’s power and longevity.

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JE Piston - Corporate Logo
T#:33646296
Part#: 297120S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
The JE Piston's precise engineering ensures optimal fit and reliability, making them a top choice for BMW enthusiasts seeking improved engine performance. Dimensions 87.50 mm Bore – 1.271 in. CH, -9.20 CC
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JE Piston - Corporate Logo
T#:33646285
Part#: 297115S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
Featuring a 9:1 compression ratio, these pistons are lightweight and robust, reducing reciprocating weight for quicker engine response. Detail: 87.00 mm Bore – 1.271 in. CH, -29.30 CC

JE Piston - Corporate Logo
T#:28836407
Part#: JE-FPS-M54B30
Ships on Dec 1, 2026
$ 2,654.99 USD
Free Shipping on orders $49 and up
JE Piston - Corporate Logo
T#:27171928
Part#: 297120
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Forged Piston Set of 6 – 87.5mm Bore – 11.5:1 CR – BMW E46 M3 S54B32 Maximize the performance of your BMW E46 M3’s S54B32 engine with this set of 6 JE forged pistons. Engineered for strength and high-revving capability, these pistons are built to withstand the demands of high-performance applications. 87.5mm Bore: Increased bore size for improved displacement and power output. Compression Ratio: 11.5:1: High-compression design enhances combustion efficiency and delivers more horsepower and torque. Forged Aluminum: Lightweight and durable, designed to handle high stress and heat, making it perfect for both street and track use. Precision Fit: Ensures seamless installation and compatibility with the BMW S54B32 engine, providing reliability under extreme conditions. Perfect for serious performance builds, these pistons offer a balance of durability, power, and efficiency.
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JE Piston - Corporate Logo
T#:33646293
Part#: 297119S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up
The 12.5:1 compression JE piston for the S54b32 is designed to help maintain thermal efficiency and minimizes weight. Detail: 12.5:1 Compression 87.00 mm Bore – 1.271 in. CH, -8.70 CC


JE Piston - Corporate Logo
T#:33646279
Part#: 297116S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up
JE Pistons are premium forged components tailored for racing and high-performance engines. Detail: 87.50 mm Bore – 1.271 in. CH, -30.00 CC
JE Piston - Corporate Logo
T#:33646299
Part#: 297170S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up

JE Pistons BMW S52B32 USA Piston – 86.50 mm Bore – 1.220 in. CH, -25.10 CC is an exceptional choice for BMW enthusiasts seeking to boost their engine's performance. Offered by Turner Motorsport, this high-quality piston is specifically engineered for the BMW S52B32 engine, ensuring a precise fit and enhanced reliability. Its optimized design significantly increases compression, resulting in improved horsepower and torque for both racing and daily driving.

  • Increases compression ratio for better power output
  • Lightweight construction enhances overall engine performance
  • Designed for durability and longevity in high-stress environments
  • Ensures a perfect fit for the BMW S52B32 engine
  • Ideal for both competitive racing and everyday driving scenarios
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JE Piston - Corporate Logo
T#:33679694
Part#: 297173S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up
The JE Pistons BMW S52B32 USA Piston – Compression 11.5:1 - 87.00 mm Bore – 1.220 in. CH, -9.90 CC is a premium piston upgrade designed for BMW performance enthusiasts who seek to improve their engine’s power and reliability. Engineered with precision, this piston offers an ideal balance of strength and lightweight construction, ensuring optimal performance under high stress. Available through Turner Motorsport, this piston is specifically tailored for BMW S52 engines, providing a seamless fit for enhanced engine efficiency.
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