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BMW Internal Engine Parts

Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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BMW S50B32 JE Pistons Single Euro Kit
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JE Piston - Corporate Logo
T#:33846577
Part#: 289078S
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$ 299.99 USD
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BMW S50B32 EURO Kit - Single Unit

Elevate your BMW S50B32 engine performance with the S50B32 EURO Kit, expertly designed for enthusiasts seeking to unlock the full potential of their engine. This high-performance kit is tailored specifically for the S50B32, known for its impressive power and engineering excellence. With this kit, you can experience enhanced horsepower, improved throttle response, and increased overall efficiency, making it ideal for both street and track applications.

Key Features:

  • Performance-Oriented Design: Each component in the S50B32 EURO Kit is crafted to improve engine output and efficiency, ensuring that you get the most out of your S50B32 engine.
  • Increased Horsepower and Torque: This kit is engineered to maximize power gains, allowing for greater acceleration and a more exhilarating driving experience.
  • Precision Fitment: Every part is manufactured to high standards, ensuring a perfect fit within your engine bay. This precision engineering minimizes installation time and enhances reliability.
  • Optimized Throttle Response: Experience quicker acceleration and sharper throttle response, enabling a more engaging and spirited driving experience.
  • Comprehensive Kit: The kit includes all necessary components for a complete upgrade, making it an excellent choice for both professionals and DIY enthusiasts looking to enhance their vehicle.

Applications:

  • Designed for BMW S50B32 Engines, perfect for high-performance builds, track-focused cars, or those looking to enhance their street-driven vehicles.
  • Suitable for a wide range of applications, from competitive motorsport to everyday driving.

Technical Specifications:

  • Compatibility: Tailored for the S50B32 engine platform.
  • Expected Performance Gains: Significant increases in horsepower and torque, translating to a more responsive and powerful engine.
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JE Piston - BMW S50B30 11.5:1 Piston Single 86.50mm
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JE Piston - Corporate Logo
T#:33679716
Part#: 297182S
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$ 299.99 USD
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JE Pistons BMW S50B30 USA Piston - 11.5:1 Compression – 86.50 mm Bore – 1.291 in. CH, -9.30 CC is an exceptional performance upgrade designed for BMW enthusiasts seeking increased engine power and reliability. Specifically built for the S50B30 engine, these high-compression pistons are engineered to deliver enhanced horsepower and torque, perfect for both track and street performance. Available through Turner Motorsport, these pistons offer unmatched durability and precision, ensuring your BMW operates at peak efficiency.
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JE Piston BMW S54B32 11.5:1 Single Piston 87.00mm
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JE Piston - Corporate Logo
T#:33679694
Part#: 297173S
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$ 299.99 USD
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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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S54 Camshaft Installation Kit
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Packaged by Turner - Corporate Logo
T#:599963
Part#: 1131783634KT1
Ships in 1 Business Day
Sale - Save 3% $ 307.99

This product was last offered at the strikethrough price on
06-15-2026

$ 298.02 USD
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Sale - Save 3%
$ 307.99

This product was last offered at the strikethrough price on
06-15-2026

$ 298.02 USD
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Includes needed gaskets and hardware for installing a new camshaft set.

BE Bearings Connecting Rod Bolt Upgrade Set - BMW E9X M3 S65 ...
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BE Bearings - Corporate Logo
T#:403653
Part#: BE-CRB50-S65
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$ 294.99 USD
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$ 294.99 USD
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Designed by BE Bearings, manufactured by ARP. These custom made rod bolts are designed to be used on BMW factory connecting rods. BE Bearings worked with ARP to come up with custom rod bolt torque specifications to ensure minimal rod big end bore distortion. Their bolts have been measured and verified to guarantee minimal bore distortion, and stay within the ARP torque specification.
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Genuine BMW Drive belt gear wheel - E60 M5 E63 M6 E64 M6
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Genuine BMW - Corporate Logo
T#:32710
Part#: 11217838017
Ships in 3 Business Days
3% off MSRP $ 300.99

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

$ 292.99 USD
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3% off MSRP
$ 300.99

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

$ 292.99 USD
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Genuine BMW Gear Wheel
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85


Febi Camshaft - E30, E34
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Febi - Corporate Logo
T#:19082
Part#: 11311716138
In Stock at Vendor
$ 368.34

This product was last offered at the strikethrough price on
05-15-2026

$ 292.43 USD
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$ 292.43 USD
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CAMSHAFT 11311716138 Manufactured by Febi

This item fits the following BMWs:
BMW 3 Series - 325i, 325i Convertible, 325is, 325ix
BMW 5 Series - 525i

--.
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ACL Race Series High Performance Main Bearing Set - BMW B58/S58 ...
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ACL - Corporate Logo
T#:34114251
Part#: 7M1512H-STD
Special Order: No Guaranteed ETA
$ 402.99

This product was last offered at the strikethrough price on
02-03-2026

$ 291.99 USD
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$ 291.99 USD
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Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW B58 and S58 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s B and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

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N55 Turbo Install Kit
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Packaged by Turner - Corporate Logo
T#:401612
Part#: 18407502196KT2
In Stock
$ 290.99 USD
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$ 290.99 USD
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Athena Cut Ring Head Gasket S14
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5150 Autosport - Corporate Logo
T#:28537477
Part#: ATH-HG-CR-S14-95
Ships in 4 Business Days
$ 284.99 USD
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This Athena Cut Ring Head Gasket is specifically engineered to replace BMW part 11121316714 for the S14B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena-SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder pressure caused by power modifications, making them the recommended choice for applications making 16+ psi. Design: Athena-SCE's gasket body is composed of Motorgasket, a reinforced material developed by Athena's R&D department. This consists of a steel core covered with two layers of asbestos-free aramid fibre and offers excellent thermal and mechanical resistance without compromising its ability to adapt to mating surfaces. To ensure maximum sealing under all conditions, a silicone bead is also applied to critical sealing areas, such as oil and coolant passages. The AISI 304 stainless steel cooper rings bite into the aluminum head, providing maximum sealing around the cylinder bore and optimizing engine performance, even on engines with nitrous and/or turbo applications that exceed 2 bar boost.
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ACL Race Series High Performance Main Bearing Set - BMW M20/M50/M52/S...
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ACL - Corporate Logo
T#:584470
Part#: 7M1532H-STD
In Stock
$ 282.99 USD
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$ 282.99 USD
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Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW enthusiasts running M20, M50, M52, M54, S50, S52, and S54 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

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BMW Performance Rod Bearing Set - Standard Size
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King - Corporate Logo
T#:25739335
Part#: CR6887GPC
In Stock
$ 279.99 USD
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Upgrade to King's Racing Line of performance, coated engine bearings. Featuring a Full Set of Silver Bearings coated with a nano-thermal barrier for superior longevity!


Genuine BMW Connecting Rod - N63 4.4L S63 4.4L
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Genuine BMW - Corporate Logo
T#:33085
Part#: 11247843237
In Stock
5% off MSRP $ 291.99

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

$ 277.99 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 291.99

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

$ 277.99 USD
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Genuine BMW Connecting Rod - L=138,5Mm
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5,E71 X6,F01,F02,F06,F10,F12,F13

Fits BMW Engines including:
N63,N63N,S63,S63N

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Connecting Rod - F01, F02, F06, F07, F10, F12, F13, F15, F16, G11, G3...
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Genuine BMW - Corporate Logo
T#:185043
Part#: 11247646892
Ships in 6 Business Days
5% off MSRP $ 291.99

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

$ 277.99 USD
Free Shipping
5% off MSRP
$ 291.99

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

$ 277.99 USD
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Genuine BMW Connecting Rod - L=138,5Mm
This item fits the following BMW Chassis:
F06,F12,F13,F15,F16

Fits BMW Engines including:
N63N

BMW Performance Rod Bearing Set - .25 Overize
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ACL - Corporate Logo
T#:25739334
Part#: 6B1510H-.25
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$ 275.99 USD
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Upgrade to ACL's Performance Tri-Metal Bearings for superior engine performance! 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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Genuine BMW Timing Guide Rail - E30 E36 Z3 M42 1.8L M44 1.9L ...
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Genuine BMW - Corporate Logo
T#:183167
Part#: 11311247483
Ships in 3 Business Days
2% off MSRP $ 276.99

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

$ 271.99 USD
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2% off MSRP
$ 276.99

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

$ 271.99 USD
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Best to have replaced every 100,000 miles or less to prevent possible timing issues or failure.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.


Genuine BMW Guide Rail -
This item fits the following BMW Chassis:
E30 318i/is, E36 318i/is, Z3 1.9

Fits BMW Engines including:
M42,M44
 

 

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BMW M20 Engine ARP Head Stud Kit - E30 325i, E34 525i
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ARP - Corporate Logo
T#:189783
Part#: 201-4305
In Stock
$ 271.99

This product was last offered at the strikethrough price on
07-10-2026

$ 271.18 USD
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$ 271.18 USD
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Virtually every top professional BMW engine builder relies on ARP Pro Series head studs. ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is heat-treated to 200,000 psi, ensuring complete heat penetration. ARP studs are threaded after heat-treat, which gives them 1000% (that's ten times!) better fatigue strength than studs threaded prior to heat-treat. Threading the studs after heat-treating is more difficult and costly (as it's harder on tooling) but the results are well worth the effort. These simply are the best head studs we've found and we highly recommend them in both racing and forced induction applications. Due to the additional clamping force between the head and block, these are IDEAL for turbocharged engines.

Converting from the factory BMW head bolts to head studs makes it much easier to assemble an engine, especially a racing powerplant which must be serviced frequently (and quickly!), and also ensures proper alignment of the head and gasket. Head studs also provide more accurate and consistent torque loading. Here's why: When you use bolts to secure the head, the fastener is actually being "twisted" while it's being torqued to the proper reading. Accordingly, the bolt is reacting to two different forces simultaneously. A head stud should be installed in a "relaxed" mode -- never crank it in tightly using a jammed nut. If everything is right, the stud should be installed finger tight. Then, when applying torque to the nut, the stud will stretch only on the vertical axis. An information sheet is provided with each set.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.​

This item fits the following BMWs:
1985-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1989-1990 E34 BMW 525i
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ARP - Connecting Rod Bolt Sets M60/M62
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5150 Autosport - Corporate Logo
T#:37149878
Part#: ARP-RBS-M60
Ships in 4 Business Days
$ 269.99 USD
Free Shipping on orders $49 and up

ARP - Connecting Rod Bolt Sets M60/M62 are the ultimate upgrade for BMW enthusiasts seeking to improve engine performance and reliability. Specifically designed for BMW M60 and M62 engines, these high-performance rod bolts provide exceptional strength and durability. Manufactured by ARP, a leader in automotive fastener technology, these bolts are ideal for both street and track applications, ensuring your engine maintains peak performance under extreme conditions.

Key Features:

  • Superior Strength: Engineered with aerospace-grade materials, these bolts offer unparalleled tensile strength, making them perfect for high-RPM and high-power setups.
  • Precision Fit: Each bolt is precision-engineered to ensure a perfect fit for BMW M60 and M62 engines, reducing the risk of engine failure.
  • Enhanced Durability: Designed to withstand intense stress, these bolts improve engine reliability for both daily driving and racing conditions.
  • Corrosion Resistance: The special coating on these bolts provides excellent resistance to corrosion, extending the life of your engine components.
  • Easy Installation: With detailed instructions included, these bolts are easy to install, whether by a professional mechanic or a DIY enthusiast.

Turner Motorsport offers the ARP - Connecting Rod Bolt Sets M60/M62, ensuring BMW owners have access to top-quality parts to enhance their engine's performance and reliability.

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ECS M5x Single VANOS Rebuild Kit - E36, E39, Z3
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ECS - Corporate Logo
T#:394295
Part#: 012016ECS
In Stock at Vendor
Sale - Save 13% $ 307.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 269.21 USD
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Sale - Save 13%
$ 307.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 269.21 USD
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If you're not sure if your VANOS seals are bad then the only question you need to answer is if you've replaced them. Every unit from the factory came with the same failure prone o-rings and seals, even the re-manufactured units you can still get today. The only real fix is by replacing the seals and o-rings with material that is built to last in the oiled, extreme temperature environment found in these kits. 

A premium product replacement with easy to follow instructions makes rebuilding your VANOS unit a must. Even though the power loss is barely felt it's the opposite result once you replace the seals, every car that gets rebuilt ends up wowing the customer and all of them saying they didn't realize what they lost. 

There are a number of symptoms that will plague your car as a result of these failing seals such as erratic idle, engine hesitation, stalling, and increased fuel consumption to name a few. If you've been chasing down any of these symptoms with no fix then this could be your issue.

While you're replacing the seals in your VANOS unit it a good time to install anti-rattle spacers to tighten up the gaps in your stock assembly and get rid of that noisy VANOS clatter.

This item fits the following BMWs: 
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3 
1997-1998 E39 BMW 528i 
1997-1998 Z3 BMW Z3 2.8 
1998-2000 Z3 BMW M Roadster M Coupe

 

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OEM INA Timing Chain Sprocket - Inlet Camshaft - BMW N20 2.0L ...
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Ina - Corporate Logo
T#:35998448
Part#: 11367583818KIT
Back Ordered
$ 267.99 USD
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Replace this so your timing chain meshes perfectly with the gear teeth for optimal performance.

ARP Head Stud Kit B48
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ARP - Corporate Logo
T#:48367046
Part#: 201-4704
In Stock at Vendor
$ 263.99 USD
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Performance Valve Springs Kit - Set of 16 Beehive Style
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Supertech - Corporate Logo
T#:18302503
Part#: SPR-MC56BE
In Stock
$ 261.99 USD
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$ 261.99 USD
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Performance Valve Spring Kit

This valve spring kit, designed for performance built engines, is a critical component for those demanding peak performance from their vehicles. The kit includes a set of 16 springs that mount to the stock OEM retainers.

Key Features:

  • Valve Spring Type: Beehive Spring
  • Outer Spring Outer Diameter: 23.30mm
  • Outer Spring Inner Diameter: 16.80mm
  • Inner Spring Outer Diameter: 18.80mm
  • Inner Spring Inner Diameter: 12.30mm
  • Pressure Seat: 65 @ 33.6mm
  • Pressure Open: 163 @ 10
  • Maximum Lift: 11.40mm
  • Coil Bind: 22.20mm
  • Spring Rate: 9.80mm
  • Retainer: OEM Retainer + OEM Seat

Upgrade your engine's performance with this high-quality valve spring kit, ensuring optimum power and reliability.

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Inline 6 RACE Series Bearing Shells - Set
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ACL - Corporate Logo
T#:637190
Part#: 6B1584H-.025
Special Order: No Guaranteed ETA
$ 261.99 USD
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$ 261.99 USD
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Upgraded Bearing Shells for you N55/N54/S55B30!
Race Series High Performance Connecting Rod Bearing Set - BMW B58 ...
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ACL - Corporate Logo
T#:21670127
Part#: 6B1510H-STD
In Stock
$ 261.99

This product was last offered at the strikethrough price on
06-08-2026

$ 260.99 USD
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$ 260.99 USD
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Introducing the BMW B58 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

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 B58 engine, 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 with the Race Series High-Performance Con 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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Adjustment Unit - Outlet Cam N16 N18 1.6L Engine
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OES MINI - Corporate Logo
T#:26404831
Part#: 11367536085
Back Ordered
$ 260.40 USD
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Upgrade your Mini's engine with this high-quality Timing Chain Camshaft Gear, designed for enhanced durability and performance. Positioned toward the front of the engine, this thicker gear ensures reliable operation. It is commonly replaced when installing a new timing chain. Benefits include:

  • Improved durability and reliability.
  • Essential component for proper timing chain function.
  • Positioned toward the front of the engine for optimal performance.
  • Compatible with various Mini models.
  • Easy to install as part of a timing chain replacement.
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E30 M3 Head Bolt Set
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Genuine BMW - Corporate Logo
T#:283
Part#: TMS283
Ships in 3 Business Days
$ 259.99 USD
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$ 259.99 USD
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The E30 M3 Head Bolt Set includes 10 head bolts.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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BMW M62/M62TU Engine ARP Rod Bolt Kit - E39 540i, E38 740i/iL, E53 X5...
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ARP - Corporate Logo
T#:189788
Part#: 201-6302
In Stock
$ 258.99 USD
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Set of 12 ProSeries ARP2000 connecting rod bolts for the Euro-spec M3 engine. Made by ARP, the world leader in fastener technology. The best rod bolts available for the M60 and M62TU. Ideal for ultra high performance, racing & forced induction applications. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in professional motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

This item fits the following BMWs:
1997-2003 E39 BMW 540i
1995-2001 E38 BMW 740i 740il
2000-2003 E53 BMW X5 4.4i X5 4.6is
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Gates Cooling System Water Valve - E36, Z3
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Gates - Corporate Logo
T#:592637
Part#: 64118375443
Ships on Jul 31, 2026
$ 257.99 USD
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$ 257.99 USD
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Signs of no heat or the heat won't shut off

King Crankshaft Main Bearing Set - N63
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King - Corporate Logo
T#:4840526
Part#: MB5801SM
In Stock at Vendor
$ 286.00

This product was last offered at the strikethrough price on
07-09-2026

$ 255.99 USD
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$ 255.99 USD
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Introducing King Main Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. Complete Set: King Main Bearings for BMW Engines come as a full set. Silicon-aluminum Bi-Metal Construction: Crafted from King's premium Silicon-aluminum bi-metal material offering exceptional strength, durability, and heat resistance. Precision Engineering: Engineered with meticulous attention to detail, our bearings are designed to exacting standards to ensure optimal fitment and compatibility with BMW engines. Enhanced Performance: Experience improved engine stability and smoother operation with King Bearings.
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ARP Cylinder Head Stud Kit - M30 BMW 3.0L 3.4L
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ARP - Corporate Logo
T#:379415
Part#: 201-4602
In Stock at Vendor
$ 255.99 USD
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$ 255.99 USD
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Virtually every top professional BMW engine builder relies on ARP Pro Series head studs. ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is heat-treated, ensuring complete heat penetration, to increase the clamping load up to 200,000 psi. ARP studs are threaded after heat-treat, which gives them 1000% (that's ten times!) better fatigue strength than studs threaded prior to heat-treat. Threading the studs after heat-treating is more difficult and costly (as it's harder on tooling) but the results are well worth the effort. These simply are the best head studs we've found and we highly recommend them in both racing and forced induction applications. Due to the additional clamping force between the head and block, these are IDEAL for turbocharged engines. 

Converting from the factory BMW head bolts to head studs makes it much easier to assemble an engine, especially a racing powerplant which must be serviced frequently (and quickly!), and also ensures proper alignment of the head and gasket. Head studs also provide more accurate and consistent torque loading. Here's why: When you use bolts to secure the head, the fastener is actually being "twisted" while it's being torqued to the proper reading. Accordingly, the bolt is reacting to two different forces simultaneously. A head stud should be installed in a "relaxed" mode -- never crank it in tightly using a jammed nut. If everything is right, the stud should be installed finger tight. Then, when applying torque to the nut, the stud will stretch only on the vertical axis. An information sheet is provided with each set. 

This item fits the following BMW Engines:
M30 3.0L 3.4L I6
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Genuine BMW Starter Valve - E21 320i
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Genuine BMW - Corporate Logo
T#:22450
Part#: 13641271661
Ships in 5 Business Days
6% off MSRP $ 270.99

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

$ 254.99 USD
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6% off MSRP
$ 270.99

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

$ 254.99 USD
Free Shipping


Genuine BMW STARTER VALVE.--

This item fits the following BMWs:
BMW 3 Series - 320i

--.

Fits BMW Engines including:
M10

Glyco Main Bearing Set (Standard) - E21, E28, E30
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Features All Single-Tang Main Bearings for Earlier M20 Engines
Glyco - Corporate Logo
T#:1196183
Part#: 11211722342
In Stock
$ 259.99

This product was last offered at the strikethrough price on
05-03-2026

$ 252.99 USD
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$ 252.99 USD
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BMW S65 V8 (E90, E92, E93 M3) Race Series High Performance Connecting...
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ACL - Corporate Logo
T#:587434
Part#: 8B1580H-STD
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$ 252.99 USD
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Introducing the BMW S65 V8 (E9X M3) Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for the S65 V8 engine featured in the E90 M3

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 E9X 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 S65 V8 engine in the E9X M3 with the Race Series High-Performance Con 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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JE Piston BMW S54B32 9:1 - Piston Single 87.00mm
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JE Piston - Corporate Logo
T#:33646285
Part#: 297115S
In Stock at Vendor
$ 251.99 USD
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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 - BMW S14B23 8.5:1 Piston Single 94.00mm
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JE Piston - Corporate Logo
T#:33713155
Part#: 321359S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S14B23 Piston - 8.5:1 Compression – 94.00 mm Bore – 1.260 in. CH, -23.70 CC is expertly engineered for BMW S14 engines, offering a lower compression ratio ideal for turbocharged and high-boost applications. Designed to provide increased power and durability, these high-performance pistons are perfect for enhancing the performance of the BMW E30 M3, delivering consistent results both on the street and track.

Available through Turner Motorsport, these JE Pistons are forged for maximum strength and heat resistance, making them capable of withstanding extreme pressure and high RPMs. With a 94.00 mm bore and -23.70 CC volume, these pistons are precisely crafted to optimize engine displacement and combustion efficiency, allowing for greater throttle response and boosted power output.

Key Benefits:

  • 8.5:1 compression ratio for optimal performance in turbocharged and high-boost applications
  • 94.00 mm bore for increased engine displacement and improved performance
  • 1.260 in. compression height and -23.70 CC volume for efficient combustion
  • Forged construction for maximum strength and durability under extreme conditions
  • Specifically designed for BMW S14B23 engines, including the iconic E30 M3
  • Available through Turner Motorsport, ensuring quality products and expert support
  • Ideal for motorsport and high-performance street applications
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JE Piston - BMW S50B30 12.5:1 Piston Single 86.50mm
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JE Piston - Corporate Logo
T#:33679722
Part#: 297184S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S50B30 USA Piston 12.5:1 Compression – 86.50 mm Bore – 1.291 in. CH, -5.00 CC is a high-performance piston specifically designed for the BMW S50B30 USA engine. Available through Turner Motorsport, these pistons are engineered for racing enthusiasts seeking to optimize power and reliability. With a compression ratio of 12.5:1, they provide enhanced performance while maintaining durability under extreme conditions. The 86.50 mm bore ensures precise fitment, while the -5.00 CC dome volume contributes to improved combustion efficiency.

  • Increased horsepower and torque with 12.5:1 compression ratio
  • Precision 86.50 mm bore for optimal fitment
  • Durable construction to withstand high-performance demands
  • Lightweight design reduces engine stress and improves responsiveness
  • Ideal for racing applications, enhancing both power and reliability
  • Turner Motorsport trusted for quality performance parts for BMW
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ACL 3.0L Standard Size Main Bearing Set BMW N52/N54/N55/S55B30 ...
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T#:25706124
Part#: ACL7M1397H-STD
In Stock
$ 256.99 USD
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ARP Main Stud Kit for BMW/MINI 1.6 N12/N14/N16/N18 Engine
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ARP - Corporate Logo
T#:189787
Part#: 201-5401
In Stock at Vendor
$ 251.99 USD
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$ 251.99 USD
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This ARP main stud set for the new MINI F engines eliminates main cap walk and fretting, as well as protects the threads in your engine block. Each main stud is made using the best materials, process, design and engineering, which exceeds even the most stringent racing and aerospace specifications. This main stud kit includes hardened parallel-ground washers and aerospace quality nuts.

The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 190,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. On the MINI, there's no reason to settle for anything less than the best, which is why we carry and use ARP fasteners and studs on our own BMW race cars.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.
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JE Piston - BMW S50B30 9:1 Piston Single 86.50mm
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JE Piston - Corporate Logo
T#:33679713
Part#: 297180S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S50B30 USA Piston 9:1 Compression – 86.50 mm Bore – 1.291 in. CH, -23.60 CC is an exceptional upgrade for BMW enthusiasts looking to enhance their vehicle’s performance. Specifically designed for the S50B30 engine, these high-quality pistons are crafted for reliability and efficiency. Available through Turner Motorsport, this product promises a significant improvement for both daily driving and competitive racing applications, ensuring that your BMW performs at its peak.
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JE Piston - BMW S54B32 9:1 Piston Single 86.00mm
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JE Piston - Corporate Logo
T#:33679711
Part#: 297179S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S50B30 USA Piston 9:1 Compression – 86.00 mm Bore – 1.291 in. CH, -23.60 CC is the ideal solution for BMW enthusiasts seeking to boost their vehicle’s performance. Designed specifically for the S50B30 engine, these pistons are manufactured with precision to enhance reliability and efficiency. Available through Turner Motorsport, these pistons provide a significant upgrade for both street and track use, ensuring your BMW runs at its best.
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JE Piston - BMW S50B32 12.5:1 EURO 86.75mm - Piston Single
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JE Piston - Corporate Logo
T#:33713141
Part#: 312383S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S50B32 Euro Piston 12.5:1 Compression – 86.75 mm Bore – 1.271 in. CH, -5.40 CC is a high-performance upgrade for enthusiasts looking to maximize their BMW engine's power. Available from Turner Motorsport, these pistons are specifically engineered for the BMW S50B32, delivering exceptional strength and durability. With a compression ratio of 12.5:1, they optimize combustion efficiency and significantly increase horsepower and torque. Designed for both track and street use, the JE Pistons ensure that your BMW performs at its best, whether you're racing or enjoying a spirited drive.

Key Benefits:

  • Specifically designed for the BMW S50B32 engine for enhanced performance
  • 12.5:1 compression ratio for optimal power and torque output
  • 86.75 mm bore and 1.271 in. compression height ensure precise fit and performance
  • -5.40 CC design optimizes combustion chamber volume for improved efficiency
  • Lightweight construction reduces overall engine load, boosting performance
  • Available at Turner Motorsport, known for premium BMW parts and performance upgrades
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JE Piston BMW S54B32 12.5:1 Single Piston 86.50mm
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JE Piston - Corporate Logo
T#:33679697
Part#: 297174S
In Stock at Vendor
$ 251.99 USD
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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 BMW S54B32 11:5 Single Piston 87.50mm
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JE Piston - Corporate Logo
T#:33646290
Part#: 397118S
In Stock at Vendor
$ 251.99 USD
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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 - BMW S14B23 13:1 Piston Single - 93.80mm
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JE Piston - Corporate Logo
T#:33713142
Part#: 312385S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S14B23 Piston - 13:1 Compression – 93.80 mm Bore – 1.260 in. CH, 3.60 CC is engineered for high-performance BMW engines, delivering unmatched power and reliability for motorsport enthusiasts. These precision pistons are designed for the iconic BMW S14 engine, commonly found in the legendary E30 M3, enhancing performance with advanced materials and optimized compression ratios.

Turner Motorsport offers these forged pistons for racers looking to maximize their engine's potential. The 13:1 compression ratio provides excellent throttle response, increased horsepower, and torque. Built for durability, JE Pistons ensure that your BMW engine runs efficiently under high-stress conditions on both the track and the street.

Key Benefits:

  • Optimized 13:1 compression ratio for superior engine performance
  • High-strength forged construction for long-lasting durability
  • Designed for BMW S14B23 engines, including E30 M3
  • Enhanced bore and compression height for precision fitment
  • Increased horsepower and torque for motorsport applications
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JE Piston - BMW S14B23 13:1 Piston Single 94.00mm
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JE Piston - Corporate Logo
T#:33713146
Part#: 312386S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S14B23 Piston - 13:1 Compression – 94.00 mm Bore – 1.260 in. CH, 3.40 CC is designed to elevate the performance of BMW S14 engines, delivering maximum power, reliability, and precision. These high-performance pistons are engineered specifically for motorsport enthusiasts and are a perfect fit for the iconic BMW E30 M3, providing a significant boost in horsepower and torque.

Available through Turner Motorsport, these JE Pistons feature a 13:1 compression ratio and a 94.00 mm bore, optimizing combustion efficiency for enhanced throttle response. Built from forged materials, they are designed to withstand extreme conditions, ensuring durability and long-lasting performance under high stress on the street or track.

Key Benefits:

  • 13:1 compression ratio for superior engine performance and power
  • 94.00 mm bore for optimized engine displacement and precision fitment
  • 1.260 in. compression height and 3.40 CC volume for enhanced combustion
  • Forged construction for maximum strength and durability
  • Specifically engineered for BMW S14B23 engines, including the E30 M3
  • Available through Turner Motorsport, providing trusted quality and expert support
  • Ideal for both street performance and motorsport applications
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JE Piston BMW S54B32 9:1 Piston Single 87.00mm
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JE Piston - Corporate Logo
T#:33646305
Part#: 297171S
In Stock at Vendor
$ 251.99 USD
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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 - BMW S50B30 12.5:1 Piston Single 86.00mm
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JE Piston - Corporate Logo
T#:33679717
Part#: 297183S
In Stock at Vendor
$ 251.99 USD
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JE Pistons BMW S50B30 USA Piston - 12.5:1 Compression – 86.00 mm Bore – 1.291 in. CH, -4.70 CC is an advanced performance solution designed for BMW enthusiasts looking to elevate their engine’s power and efficiency. Specifically engineered for the BMW S50B30 engine, these high-compression pistons offer significant increases in horsepower and torque, making them ideal for track or street applications. Available through Turner Motorsport, these pistons provide exceptional durability, precision, and performance under the most demanding conditions.
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JE Piston - BMW S54B32 12.5:1 Single Piston 87.00mm
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JE Piston - Corporate Logo
T#:33679701
Part#: 297175S
In Stock at Vendor
$ 251.99 USD
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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 BMW S54B32 12.5:1 - Single Piston 87.50mm
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JE Piston - Corporate Logo
T#:33646296
Part#: 297120S
In Stock at Vendor
$ 251.99 USD
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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 - BMW S14B23 8.5:1 Piston Single 93.60mm
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JE Piston - Corporate Logo
T#:33713149
Part#: 321357S
In Stock at Vendor
$ 251.99 USD
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Key Benefits:

  • 8.5:1 compression ratio for optimal performance in turbocharged or high-boost setups
  • 93.60 mm bore for precise engine fitment and improved displacement
  • 1.260 in. compression height and -23.10 CC volume for efficient combustion
  • Forged construction for enhanced strength and resistance to high temperatures
  • Designed specifically for BMW S14B23 engines, including the E30 M3
  • Available through Turner Motorsport, a trusted source for BMW performance parts
  • Suitable for motorsport and high-performance street applications
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