BMW Internal Engine Parts for BMW 5 Series G30 (2017+)

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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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Genuine BMW Intake Valve Spring
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Genuine BMW - Corporate Logo
T#:194180
Part#: 11347618835
Ships in 5 Business Days
11% off MSRP $ 17.99

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$ 15.99 USD
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11% off MSRP
$ 17.99

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

$ 15.99 USD
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Intake valve spring
PISTON
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Genuine BMW - Corporate Logo
T#:624643
Part#: 11258637807
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5% off MSRP $ 403.99

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$ 383.99 USD
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5% off MSRP
$ 403.99

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$ 383.99 USD
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Genuine BMW Exhaust Camshaft Assembly - 11318631648
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Genuine BMW - Corporate Logo
T#:604944
Part#: 11318631648
Ships in 8 Business Days
3% off MSRP $ 1,116.99

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$ 1,079.99 USD
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3% off MSRP
$ 1,116.99

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$ 1,079.99 USD
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B58 Intake Camshaft
For vehicles with production dates up until 08/2017
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Genuine BMW - Corporate Logo
T#:542581
Part#: 11318618194
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3% off MSRP $ 1,116.99

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$ 1,079.99 USD
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3% off MSRP
$ 1,116.99

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$ 1,079.99 USD
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Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48 ...
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Supertech - Corporate Logo
T#:14783496
Part#: VSI-BM50-IKT
Ships in 6 Business Days
$ 91.99

This product was last offered at the strikethrough price on
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$ 14.99 USD
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$ 14.99 USD
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Supertech Valve Seals are the final piece of the puzzle for your performance valvetrain. This is for a complete valve stem seal repair for the Intake side, you will need 8 of a different part for the exhaust side.
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CAMSHAFT EXHAUST
For vehicles with production dates up until 08/2017
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Genuine BMW - Corporate Logo
T#:530880
Part#: 11318618195
Ships in 8 Business Days
3% off MSRP $ 1,116.99

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

$ 1,079.99 USD
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3% off MSRP
$ 1,116.99

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

$ 1,079.99 USD
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Performance Conical Valve Spring - Set Of 24
B58B30 Applications Only
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Supertech - Corporate Logo
T#:21604324
Part#: SPR-FE20BE-24
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$ 471.99 USD
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$ 471.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm
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Carrillo B48 Forged Connecting Rod Set - Includes WMC Rod Bolts - BMW...
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CP Carrillo - Corporate Logo
T#:7624642
Part#: CAR-CRS-B48-WMC
Ships on Jul 20, 2026
$ 1,399.99 USD
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$ 1,399.99 USD
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Carrillo connecting rods are well known within pro racing and street performance circles for good reason; they produce a premium product that winning racers around the world depend on. Quality and pride go hand-in-hand at Carrillo Industries. Manufacturing a Carrillo rod is much more than cutting a forging, meeting production goals, and shipping deadlines. Every Carrillo rod is made with the goal of winning in mind and the Carrillo rods are a proven performer in both street and racing B48 engines. Carillo's fasteners and "Carrilloy" rods have proven popular with all racers who want the best. Special Chrome-Moly based alloy Forged Rods Lightweight Design for low mass Vs. Stock Strong and proven in racing Excellent quality control Tight tolerances and balancing Includes High-Quality Non-stretch WMC Rod Bolts
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Carrillo Connecting Rod Set - With WMC Bolts - B58 3.0L
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CP Carrillo - Corporate Logo
T#:22591958
Part#: CAR-CRS-B58-WMC
Ships on Jul 20, 2026
$ 2,057.99 USD
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Unleash Performance with Carrillo Connecting Rods

Carrillo connecting rods enjoy a well-deserved reputation among pro racing and street performance enthusiasts. The reason is simple: Carrillo Industries consistently delivers a top-tier product that racers worldwide depend on for their victories.

At Carrillo Industries, a deep commitment to quality and excellence is at the heart of everything they do. Crafting a Carrillo rod transcends mere production; it's about the pursuit of victory. Carrillo rods have demonstrated their performance prowess in both street and racing applications, especially in B58 engines, making them a trusted choice for performance aficionados.

Key Features:

  • Special Chrome-Moly based alloy Forged Rods
  • Lightweight design for reduced mass compared to stock
  • Proven strength in racing
  • Exceptional quality control
  • Precise tolerances and balancing
  • Includes high-quality Non-stretch WMC Rod Bolts

Tech Notes:

WMC Bolts are the standard hardware included and serve as excellent fasteners. For applications demanding extreme output and all-out racing, the CARR bolt option excels in maintaining maximum RPMs and HP levels.

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BMW Crankshaft Front Oil Seal Installer - B37, B47, B48, B57, B58, N4...
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CTA Tools - Corporate Logo
T#:640831
Part#: CTA3881
Ships on Jul 20, 2026
$ 141.41 USD
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$ 141.41 USD
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Replaces front crankshaft seal on BMW B37, B47, B48, B57, B58, N47 & N57 engines Features: Compare to BMW Factory Tool 118 800 Components: 3881X01 – Press Sleeve, 3881X02 – Guide Tool, 3881X03 – Nut & 3881X04 – Screws Visit ctatools.com for product instructions
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BMW B58 3.0L VAC Performance Coated Rod Bearing Kit
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VAC Motorsports - Corporate Logo
T#:31158824
Part#: VAC-HPRBK-B58
Ships on Jul 20, 2026
$ 629.99 USD
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BMW B58 3.0L VAC Performance Coated Rod Bearing Kit

The BMW B58 3.0L VAC Performance Coated Rod Bearing Kit offers an exceptional upgrade for performance enthusiasts seeking superior reliability and durability. These bearings are crafted with precision and feature a high-quality coating that enhances their performance. Unlike conventional treated bearings, this kit includes a physical coating layer that combines excellent embeddability with dry-lubricant properties, making it ideal for BMW engines.

  • Precision Engineering: Manufactured with high precision and repeatability for optimal performance.
  • Advanced Coating: Features a physical coating layer for superior embeddability and dry-lubricant properties.
  • Enhanced Tolerance: Designed to run well across engine tolerances, reducing typical failures associated with OEM bearings.
  • Improved Cold Starts: Ideal for both street and race engines, providing reliable performance during cold starts.
  • Performance Upgrade: Offers a significant upgrade over OEM bearings, enhancing engine reliability and longevity.
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Supertech High Performance Valve And Spring Kit - B58
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Supertech - Corporate Logo
T#:641511
Part#: SUP-HPVK-B58
Ships on Jul 20, 2026
$ 2,339.99 USD
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$ 2,339.99 USD
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Upgrade your valvetrain with Supertech components Kit Contains: 12 Nitride Intake Valves 24 Intake Valve Keepers 12 Inconel Exhaust Valves 24 Exhaust Valve Keepers 24 High Performance Valve Springs 24 Titanium Retainers
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BMW Crankshaft Rear Oil Seal Installer - B37, B47, B48, B57, B58, N47...
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CTA Tools - Corporate Logo
T#:640832
Part#: CTA3882
Ships on Jul 20, 2026
$ 246.91 USD
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Replaces the rear crankshaft seal on BMW B37, B47, B48, B57, B58, N47 & N57 engines Features: Compare to BMW Factory Tool 118 810, 118 811, 118 812, 118 813 & 118 815 Components: 3882X01 – Guide Tool, 3882X02 – Press Tool, 3882X03 – Press Tool Screws, 3882X04 – Press Cup & 3882X05 – Nut w/ Thrust Bearing Visit ctatools.com for product instructions
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Cylinder Head Bolt - Set Of 14
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Elring - Corporate Logo
T#:15247124
Part#: 794.480
Special Order: No Guaranteed ETA
$ 88.99 USD
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Elring Cylinder Head Bolt Set - BMW B46/B48 2.0L
For vehicles with the Gen1 B46A engine - Not for the later B46D (B46TU) engine
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Elring - Corporate Logo
T#:44733255
Part#: 794.470
Special Order: No Guaranteed ETA
$ 83.99 USD
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$ 83.99 USD
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Cylinder head bolts feature a torque-to-yield design, meaning that they can only be used once. If you have to pull your cylinder head for any reason, be sure to pick up a set of cylinder head bolts to ensure your head is properly attached to the engine block. This kit includes all 10 replacement cylinder head bolts. Replaces BMW p/n 11128644675.
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Elring Cylinder Head Bolt Set - BMW N57 B57 3.0L
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Elring - Corporate Logo
T#:44767341
Part#: 233.380
Special Order: No Guaranteed ETA
$ 59.99 USD
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Cylinder head bolts need to be replaced after removal. Once a bolt is torqued down, you're unable to reuse it. This set of Elring cylinder head bolts is a great option to reattach your head to the block, without paying the markup for Genuine BMW parts. Replaces BMW p/n 11128513130, 11127812925, & 11128511621
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Connecting Rod Bearing Set - 0.75mm Oversize
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+0.75mm
King - Corporate Logo
T#:26638197
Part#: CR6887SV0.75
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$ 237.99 USD
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Introducing King Connecting Rod 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. King Rod Bearings for BMW Engines come in a full set, including 6 upper and 6 lower bearing shells, suitable for 6 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
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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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Connecting Rod Bearing Set - 0.25mm Oversize
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+0.25mm
King - Corporate Logo
T#:26638195
Part#: CR6887SV0.25
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$ 237.99 USD
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Introducing King Connecting Rod 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. King Rod Bearings for BMW Engines come in a full set, including 6 upper and 6 lower bearing shells, suitable for 6 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
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JE Pistons BMW B48 2.0T - 82.00MM/-17.4CC
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JE Piston - Corporate Logo
T#:33746542
Part#: 384912
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$ 924.99 USD
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JE Pistons for BMW B48 2.0T - 82.00MM Bore, -17.4CC Dish Volume

High-Boost Forged Pistons for Your BMW B48 2.0T

JE Pistons delivers ultimate performance and durability with these forged pistons for the BMW B48 2.0T engine. Designed for high-boost and turbocharged setups, these pistons are engineered to handle extreme power and high cylinder pressures, making them ideal for performance tuning enthusiasts.

  • Engine Compatibility: Fits the BMW B48 2.0T engine found in models such as the BMW 3-Series, X1, X2, and Mini Cooper S/JCW.
  • Bore Size: 82.00mm for precise cylinder fitment and optimal sealing, ensuring maximum power and reliability.
  • Dish Volume: -17.4cc dish, engineered to lower the compression ratio, providing more room for forced induction setups to maximize boost pressure without detonation.
  • Forged 2618 Aluminum: These pistons are forged from aerospace-grade 2618 aluminum, offering exceptional strength and resistance to heat and stress, making them perfect for high-performance and race applications.
  • Lower Compression Ratio: The lowered compression ratio allows for safer tuning and improved performance in turbocharged builds, especially when running high boost.
  • Thermal Coating: JE’s advanced thermal coatings protect the piston from heat, reducing friction and ensuring longer service life in demanding conditions.
  • Lightweight Construction: Reduced reciprocating mass allows for quicker engine revs and improved throttle response, enhancing overall engine performance.
  • Boost-Ready Design: Built specifically for high-power turbocharged applications, these pistons help manage increased combustion pressures and improve combustion efficiency.
  • Pre-Balanced and Pin-Fitted: Balanced and pin-fitted for easy installation and improved durability under high-RPM and high-boost conditions.

Boost Your B48 to the Next Level

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BMW B48 2.0T JE Pistons
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JE Piston - Corporate Logo
T#:33746564
Part#: 384915
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$ 924.99 USD
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Here’s another description for the JE Pistons for BMW B48 2.0T with 83.00MM / -12.3CC specs, focusing on a more dynamic and performance-driven tone:


JE Pistons for BMW B48 2.0T - 83.00MM Bore, -12.3CC Dish Volume

Maximize Your BMW B48 2.0T's Power Potential

Unlock serious performance gains with JE’s forged pistons for the BMW B48 2.0T engine. These pistons are engineered to withstand the rigors of high-boost, turbocharged applications, offering the strength, precision, and durability needed for extreme power builds.

  • Engine Compatibility: Designed to fit the BMW B48 2.0T engine, common in models like the BMW 3-Series (G20), 4-Series, and MINI Cooper S/JCW.
  • Bore Size: Featuring an 83.00MM bore, these pistons offer a perfect fit for increased displacement, improving engine efficiency and power output.
  • Dish Volume: The -12.3CC dish helps lower compression, providing more room for increased boost pressure without compromising safety or risking detonation. Perfect for high-boost turbocharged setups.
  • High-Strength Forged 2618 Aluminum: Built using aerospace-grade 2618 forged aluminum, these pistons deliver unmatched durability and heat resistance, making them ideal for racing or high-performance street builds.
  • Turbo-Ready Design: Optimized for forced induction, the -12.3CC dish enhances airflow and combustion efficiency, allowing you to push more power safely while maintaining reliability.
  • Advanced Thermal Coating: JE’s proprietary thermal coatings reduce friction and heat absorption, ensuring longevity and consistent performance, even in extreme conditions.
  • Lightweight Performance: Engineered to minimize weight, these pistons improve engine response and revving capabilities, resulting in a faster, more agile driving experience.
  • Pre-Fitted and Balanced: Delivered pre-fitted with wrist pins and balanced for easy installation, these pistons ensure your engine runs smoothly and efficiently from the moment they’re installed.

Built to Handle Extreme Boost

These JE Pistons are the ultimate upgrade for anyone looking to take their BMW B48 2.0T to the next level. With a design tailored to withstand high-pressure turbo setups and extreme performance demands, they provide the confidence and reliability needed to extract every ounce of power from your engine. Perfect for racers and performance enthusiasts alike.

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JE Pistons BMW B48 2.0T - 82.00MM/-11.1CC
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JE Piston - Corporate Logo
T#:33746562
Part#: 384914
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$ 924.99 USD
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JE Pistons for BMW B48 2.0T - 82.00MM Bore, -11.1CC Dish Volume

Enhance Your BMW B48 2.0T Performance with JE Forged Pistons

Unlock the true potential of your BMW B48 2.0T engine with the exceptional quality of JE Pistons. These forged pistons are meticulously designed for high-performance applications, ensuring that you can maximize power and efficiency while maintaining reliability in demanding conditions.

  • Engine Compatibility: Tailored for the BMW B48 2.0T engine, this piston set fits seamlessly into popular models such as the BMW 3-Series (G20), X1, and MINI Cooper S, making them the perfect choice for performance upgrades.
  • Bore Size: With a bore diameter of 82.00MM, these pistons provide an optimal fit for improved sealing and enhanced engine performance.
  • Dish Volume: The -11.1CC dish design lowers the compression ratio, making these pistons ideal for turbocharged setups where higher boost levels are required without the risk of knock.
  • High-Strength Forged 2618 Aluminum: Crafted from durable 2618 aluminum, these pistons are engineered to handle extreme heat and pressure, providing peace of mind during high-performance driving.
  • Turbo-Optimized for Power: The -11.1CC dish allows for greater airflow and combustion efficiency, enabling aggressive tuning and substantial power gains while maintaining engine safety.
  • Advanced Thermal Coating: Each piston features a specialized thermal barrier coating to minimize heat absorption, reducing wear and prolonging the life of the piston in high-stress situations.
  • Lightweight Design: Engineered to reduce weight, these pistons enhance throttle response and rev capabilities, allowing for a more engaging driving experience.
  • Pre-Fitted and Balanced: Ready for easy installation, each piston is pre-fitted with wrist pins and balanced to ensure smooth operation, allowing you to enjoy your performance upgrade right away.

Built for Performance Enthusiasts

Whether you're a weekend warrior on the track or looking to enhance your daily driver, these JE Pistons provide the performance and reliability needed for high-boost applications. Experience improved throttle response, increased horsepower, and the satisfaction of pushing your BMW B48 2.0T engine to its limits with confidence.

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JE Piston BMW/TOYOTA B58B30
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JE Piston - Corporate Logo
T#:33746539
Part#: 371720
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$ 1,324.99 USD
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JE Pistons for BMW/TOYOTA B58B30 - 3.268" Bore, .866" Pin, -12.3CC Dish

Precision-Forged Performance for BMW and Toyota B58 Engines

Unlock the full potential of your BMW B58B30 or Toyota B58 engine with JE’s forged piston set, designed to provide durability, lower compression, and efficiency for turbocharged or high-performance builds. Whether you’re aiming for street performance or track dominance, these pistons offer the strength and reliability needed for modern forced induction engines.

  • Engine Compatibility: Fits both BMW B58B30 and Toyota B58 engines, making it ideal for vehicles like the Toyota Supra (A90) and BMW models such as the G29 Z4 and G20 3-Series.
  • Bore Size: 3.268" (83mm) bore for precise fitment, ensuring optimal sealing and performance in high-horsepower applications.
  • Pin Diameter: 0.866" (22mm) wrist pin for secure and reliable piston-rod engagement, even under extreme stress.
  • Dish Volume: -12.3cc, providing a lower compression ratio for boosted applications, perfect for turbo setups aiming for high power with reduced knock potential.
  • 2618 Forged Aluminum Alloy: Manufactured from high-strength 2618 aluminum, renowned for its durability, heat resistance, and ability to withstand the intense conditions of high-performance engines.
  • Compression Control for Forced Induction: The -12.3cc dish volume is engineered for lower compression, allowing for safe tuning under high boost pressure while maintaining reliability.
  • Thermal Coating: Advanced coatings minimize heat absorption, improving durability under intense engine loads and extending piston life.
  • Lightweight Design: Optimized for reduced mass, these pistons improve throttle response and rev speed without sacrificing strength or endurance.
  • Track-Tested Performance: Designed and tested for both street and competition use, ensuring that you get race-level performance in your everyday build.

Built for Boosted Power and Reliability

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5mm Single Groove Valve Keeper - Priced Each
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Supertech - Corporate Logo
T#:21604312
Part#: KPR-5.0-7S
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$ 3.99 USD
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Two required per valve, necessary use with certain supertech valves 5.0mm single groove


BMW/Toyota B58B30 JE Pistons - Single
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JE Piston - Corporate Logo
T#:33846582
Part#: 371718S
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$ 349.99 USD
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JE Pistons BMW B48 2.0T
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JE Piston - Corporate Logo
T#:33746553
Part#: 384913
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$ 924.99 USD
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Here’s another description for the JE Pistons for BMW B48 2.0T with 83.00MM / -18.7CC specs, focusing on a more engaging and performance-oriented tone:


JE Pistons for BMW B48 2.0T - 83.00MM Bore, -18.7CC Dish Volume

Unleash Your Engine’s Potential with JE Pistons

Take your BMW B48 2.0T to new heights with JE’s precision-engineered forged pistons. Designed for performance enthusiasts who demand power and reliability, these pistons are ideal for high-boost applications and help maximize your engine’s capabilities.

  • Engine Fitment: Tailored specifically for the BMW B48 2.0T engine, compatible with popular models like the BMW 3-Series (G20), X1, and MINI Cooper S.
  • Bore Size: 83.00MM for optimal fit and sealing within the cylinder, enhancing overall engine performance.
  • Dish Volume: -18.7CC, providing a lower compression ratio that allows for higher boost levels while minimizing the risk of detonation in turbocharged applications.
  • Material: Crafted from high-performance 2618 aluminum alloy, known for its strength and durability, these pistons can withstand extreme conditions typically found in high-powered builds.
  • Turbo-Optimized Design: The -18.7CC dish design facilitates better airflow and combustion efficiency, making it ideal for turbo setups that require robust performance under pressure.
  • Advanced Thermal Coating: Equipped with JE’s proprietary thermal barrier coatings to reduce heat absorption and friction, leading to longer piston life and consistent performance under load.
  • Lightweight Construction: Designed to reduce reciprocating mass, enhancing throttle response and enabling quicker revs, making your engine feel more lively and responsive.
  • Pre-Balanced and Pin-Fitted: Each piston comes pre-balanced and pin-fitted for straightforward installation, ensuring immediate performance benefits without extensive modifications.

Engineered for Performance and Reliability

Whether you’re hitting the track or enjoying spirited drives, these JE Pistons are engineered to deliver exceptional performance under extreme conditions. With their robust construction and innovative design, you can confidently push your BMW B48 2.0T engine to the limits, enjoying the thrill of enhanced power and reliability every time you hit the road.

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Cylinder Head Bolt - Set of 10
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Elring - Corporate Logo
T#:27171911
Part#: 11128644674
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$ 85.99 USD
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Features robust steel construction engineered to handle the high heat and extreme cylinder pressures of turbocharged applications.

CP Piston & Ring Set - Set Of 4
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CP Carrillo - Corporate Logo
T#:29267504
Part#: SC7705-4
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$ 958.99 USD
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King GPC Connecting Rod Bearing Set - Standard Size - BMW N63/S63 4.4...
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King - Corporate Logo
T#:41863727
Part#: CR8049GPC
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$ 195.99 USD
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$ 195.99 USD
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GPC is King Bearings’ premium silver based tri-metal material for race applications, capable of withstanding 17,000 PSI. This makes it well-suited for Diesel Performance and Sprint Cars. GPC made with polymer coating plays a crucial role in safeguarding the bearings, in scenarios involving oil starvation and metal-to-metal contact. GPC Bearings are commonly used for Diesel Performance & Sprint Cars, which operate under extreme load and long duration. The silver-based composite & polymer coating plays a crucial role in safeguarding the bearings in oil starvation and metal-to-metal contact scenarios.
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JE Pistons BMW - A90 Supra ULTRA SERIES B58
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JE Piston - Corporate Logo
T#:33612886
Part#: 389617
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$ 1,722.99 USD
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The JE Pistons for the B58 engine are high-performance forged pistons designed for BMW's 3.0L inline-six turbocharged engine. These pistons are built with aerospace-grade materials, offering superior strength and durability under extreme conditions. They feature precision-machined surfaces, optimized for high boost applications, reduced friction, and enhanced thermal management. JE Pistons are known for their lightweight design, which improves engine response, while maintaining reliability for both street and track use. Customizable options for compression ratios and coatings are often available to suit specific performance goals.
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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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B58 BMW JE Pistons ULTRA SERIES B58B30/3.2284
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612887
Part#: 389618
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$ 1,722.99 USD
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The JE Pistons for the B58 engine are high-performance forged pistons designed for BMW's 3.0L inline-six turbocharged engine. These pistons are built with aerospace-grade materials, offering superior strength and durability under extreme conditions. They feature precision-machined surfaces, optimized for high boost applications, reduced friction, and enhanced thermal management. JE Pistons are known for their lightweight design, which improves engine response, while maintaining reliability for both street and track use. Customizable options for compression ratios and coatings are often available to suit specific performance goals.
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