BMW Internal Engine Parts for BMW 4 Series F33 (2014+)

Supertech Single Groove Exhaust Valve - Priced Each

T#:21472889

Part#: BMEVI-1055S-HS

Ships in 6 Business Days

$ 55.99 USD

Add to Wish List

Qty

$ 55.99 USD

Add to Wish List

Single Groove sodium filled exhaust valves for high performance builds Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 112.9mm Stem Diam: 5.96mm

Show More Show Less

5mm Single Groove Valve Keeper - Set Of 24

T#:21604314

Part#: KPR-5.0-7S-24

In Stock

$ 72.99 USD

Add to Wish List

Qty

$ 72.99 USD

Add to Wish List

Two required per valve, for use with certain supertech valves 5.0mm single groove

Supertech Forged Pistons - Set Of 6

T#:21604329

Part#: P6-BMN55-84-T-6

In Stock

$ 984.99

This product was last offered at the strikethrough price on
05-21-2026

$ 904.99 USD

Limited Qty Sale

Add to Wish List

Qty

$ 984.99

This product was last offered at the strikethrough price on
05-21-2026

$ 904.99 USD

Limited Qty Sale

Add to Wish List

Supertech forged pistons are a great choice for performance engine builds! Bore: 84.00mm Over Size: STD Comp Ratio: 10.2:1 Dome dish: -10.4 Head CCs: 37cc Comp Height: 32.40mm Stroke: 89.60mm Skirt style: Slipper Design Rod Length: 141.35mm Pin Diam: 22mm Material: 4032 Application: All Motor / Turbo Ring part number: R84-GNH8400 (MUST BE PURCHASED SEPARATELY)

Show More Show Less

Supertech Single Groove Intake Valve - Set Of 12

T#:14783498

Part#: BMIVN-1055S-12

Ships in 6 Business Days

$ 310.99 USD

Add to Wish List

Qty

$ 310.99 USD

Add to Wish List

Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm

Supertech Titanium Valve Retainers - Intake - Set Of 12

T#:21604322

Part#: RET-BMN54-TI-12

Ships in 7 Business Days

$ 197.99 USD

Add to Wish List

Qty

$ 197.99 USD

Add to Wish List

7 Degree - 5mm valve stem - Single or Tripe Groove Valves

Supertech Titanium Valve Retainers - Exhaust - Set Of 12

T#:21604321

Part#: RET-BMN54-TE-12

Ships in 7 Business Days

$ 197.99 USD

Add to Wish List

Qty

$ 197.99 USD

Add to Wish List

7 Degree - 6mm valve stem - Single or Tripe Groove Valves

Performance Dual Valve Spring Kit with Steel Retainers - Set Of 24 ...

T#:21604308

Part#: SPRKFE20N54BE

Ships in 5 Business Days

$ 965.99 USD

Add to Wish List

Qty

$ 965.99 USD

Add to Wish List

Supertech has the high performance valvetrain components you need to take your build to the next level. Can be used with factory valve stem seals and keepers. InnSpr.OD: 21mm InnSpr.ID: 14.2mm Seat Pressure: 75 @ 36.5 Open Pressure: 155 @ 10 Max Lift: 12mm Coil Bind: 23.2mm Rate: 8 Kit spring: SPR-FE20BE Kit spring qty: 24 Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) OutSpr.OD: 24.4mm OutSpr.ID: 17.6mm Retainer qty: 24

Show More Show Less

Supertech Single Groove Exhaust Valve - Set Of 12

T#:14816646

Part#: BMEVI-1055S-HS-1

Ships in 5 Business Days

$ 660.99 USD

Add to Wish List

Qty

$ 660.99 USD

Add to Wish List

Single Groove sodium filled exhaust valve set for high performance builds Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 112.9mm Stem Diam: 5.96mm

Show More Show Less

Conical Spring Kit - Set Of 24

T#:21604309

Part#: SPRKFE20N54BE2

Ships on Aug 12, 2026

$ 965.99 USD

Add to Wish List

Qty

$ 965.99 USD

Add to Wish List

Supertech has the high performance valvetrain components you need to take your build to the next level. Can be used with factory valve stem seals and keepers. InnSpr.OD: 21mm InnSpr.ID: 14.2mm Seat Pressure: 88 @ 36.5 Open Pressure: 160 @ 10 Max Lift: 12mm Coil Bind: 23.2mm Rate: 7.25 Kit spring: SPR-FE20BE-2 Kit spring qty: 24 Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) OutSpr.OD: 24.4mm OutSpr.ID: 17.6mm Retainer qty: 24

Show More Show Less

Forged Connecting Rods - Sold Each

T#:21604327

Part#: CR-BMN55-H144.35

In Stock

$ 198.99

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

$ 184.99 USD

Limited Qty Sale

Add to Wish List

Qty

$ 198.99

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

$ 184.99 USD

Limited Qty Sale

Add to Wish List

Supertech forged rods are a great choice for performance engine builds! These rods come with ARP 2000 hardware and are designed for high powered N55/S55 applications. H-Beam design Forged 4340 alloy Center to center: 144.35mm Be bore: 53.6mm Be width: 20.88 Pe bore: 22mm full float Pe width: 20.88mm tapered ARP 2000 - 3/8" x 1.600" bolts

Show More Show Less

Performance Conical Valve Spring - Sold Each

T#:21472894

Part#: SPR-FE20BE

In Stock

$ 19.99

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

$ 18.99 USD

Limited Qty Sale

Add to Wish List

Qty

$ 19.99

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

$ 18.99 USD

Limited Qty Sale

Add to Wish List

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

Show More Show Less

JE Piston Kit B58B30-3.228/.866/-11.1CC

T#:33746530

Part#: 371718

In Stock at Vendor

$ 1,324.99 USD

Add to Wish List

Qty

$ 1,324.99 USD

Add to Wish List

JE Pistons for BMW/TOYOTA B58B30 - 3.228" Bore, .866" Pin, -11.1CC Dish Volume

Boost Your Engine’s Performance with JE Forged Pistons

These JE Pistons are built for the modern high-performance BMW B58B30 and Toyota B58 engines, providing the perfect balance of strength, precision, and durability.

Engine Compatibility: Designed for BMW B58 and Toyota B58 engines, such as those found in the Toyota Supra and BMW G20 models.
Bore Size: 3.228" (82mm) ensures proper cylinder fitment for high-performance builds.
Pin Size: 0.866" (22mm) wrist pin diameter for secure, reliable piston-rod connections.
Dish Volume: -11.1cc, designed for turbocharged applications to reduce compression and prevent detonation under high boost.
Forged 2618 Aluminum: Provides excellent strength and durability, allowing the pistons to withstand extreme conditions in both street and track environments.
Lower Compression Ratio: Specifically engineered for boosted setups, ensuring optimal performance with turbo or superchargers.
High-Temperature Coatings: Thermal coatings on the piston crowns reduce heat absorption, improving durability under high-stress conditions.
Lightweight Design: Improves throttle response and engine rev speed by reducing the overall weight of the rotating assembly.

Ready for Extreme Boost Applications

Perfect for turbocharged and high-horsepower setups, these JE pistons are built to withstand extreme boost pressures, delivering reliable performance and power gains. Whether on the track or the street, these pistons will help extract maximum potential from your BMW or Toyota B58 engine.

Show More Show Less

BMW - Toyota ULTRA SERIES B58

T#:33612885

Part#: 389616

In Stock at Vendor

$ 1,722.99 USD

Add to Wish List

Qty

$ 1,722.99 USD

Add to Wish List

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.

Show More Show Less

JE Pistons BMW N55B30

T#:33612897

Part#: 3380966

In Stock at Vendor

$ 1,649.99 USD

Add to Wish List

Qty

$ 1,649.99 USD

Add to Wish List

JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.

Show More Show Less

JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FS...

T#:590161

Part#: 338096

In Stock at Vendor

$ 1,649.99 USD

Add to Wish List

Qty

$ 1,649.99 USD

Add to Wish List

Piston Ring Repair Kit - Length Of Piston Pin = 51Mm/ 55Mm

T#:1996187

Part#: 11258693017

Ships in 3 Business Days

7% off MSRP $ 133.99

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

$ 124.99 USD

Add to Wish List

Qty

7% off MSRP

$ 133.99

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

$ 124.99 USD

Add to Wish List

Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48 ...

T#:14783496

Part#: VSI-BM50-IKT

Ships in 7 Business Days

$ 14.99 USD

Add to Wish List

Qty

$ 14.99 USD

Add to Wish List

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.

Show More Show Less

Supertech Titanium Valve Retainers - Exhaust - Sold Each

T#:21604320

Part#: RET-BMN54-TE

Ships in 9 Business Days

$ 16.99 USD

Add to Wish List

Qty

$ 16.99 USD

Add to Wish List

7 Degree - 6mm valve stem - Single or Tripe Groove Valves

Performance Conical Valve Spring - Set Of 24

B58B30 Applications Only

T#:21604324

Part#: SPR-FE20BE-24

Ships in 9 Business Days

$ 471.99 USD

Add to Wish List

Qty

$ 471.99 USD

Add to Wish List

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

Show More Show Less

Performance Conical Valve Spring - Set Of 24

T#:21604325

Part#: SPR-FE20BE-2-24

Ships in 9 Business Days

$ 494.99 USD

Add to Wish List

Qty

$ 494.99 USD

Add to Wish List

Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25

Show More Show Less

Supertech Titanium Valve Retainers - Intake - Sold Each

T#:21604319

Part#: RET-BMN54-TI

Ships in 9 Business Days

$ 16.99 USD

Add to Wish List

Qty

$ 16.99 USD

Add to Wish List

7 Degree - 5mm valve stem - Single or Tripe Groove Valves

Supertech Single Groove Intake Valve - Priced Each

T#:14783497

Part#: BMIVN-1055S

Ships in 9 Business Days

$ 25.99 USD

Add to Wish List

Qty

$ 25.99 USD

Add to Wish List

Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm

Performance Conical Valve Spring - Sold Each

T#:21604306

Part#: SPR-FE20BE-2

Ships in 9 Business Days

$ 20.99 USD

Add to Wish List

Qty

$ 20.99 USD

Add to Wish List

Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25

Show More Show Less

Supertech High Performance Valve And Spring Kit - B58

T#:641511

Part#: SUP-HPVK-B58

Ships on Aug 7, 2026

$ 2,339.99 USD

Add to Wish List

Qty

$ 2,339.99 USD

Add to Wish List

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

Show More Show Less

SuperTech High Performance Valve Spring Kit - 88lbs - BMW N55 S55 ...

T#:14783500

Part#: SUP-HPVSK-S55-88

Ships on Aug 7, 2026

$ 1,099.99 USD

Add to Wish List

Qty

$ 1,099.99 USD

Add to Wish List

Piston Ring Repair Kit

T#:22064615

Part#: 11257594453

Special Order: No Guaranteed ETA

$ 30.99

This product was last offered at the strikethrough price on
03-30-2026

$ 25.99 USD

Add to Wish List

Qty

$ 25.99 USD

Add to Wish List

Repair Kit Piston Rings This item fits the following BMW Chassis: E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26 Genuine BMW Repair Kit Piston Rings - (0) This item fits the following BMW Chassis: E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26

Show More Show Less

BMW/Toyota B58B30 JE Pistons - Single

T#:33846582

Part#: 371718S

Back Ordered

$ 349.99 USD

Add to Wish List

Qty

$ 349.99 USD

Add to Wish List

JE Piston BMW/TOYOTA B58B30

T#:33746539

Part#: 371720

Back Ordered

$ 1,324.99 USD

Add to Wish List

Qty

$ 1,324.99 USD

Add to Wish List

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

Show More Show Less

JE Pistons BMW N55 Single

T#:33846578

Part#: 338096S

Back Ordered

$ 349.99 USD

Add to Wish List

Qty

$ 349.99 USD

Add to Wish List

B

JE Pistons BMW N55B30 Piston - 3.307 in Bore

Transform your BMW N55B30 engine with the high-performance JE Pistons Piston, engineered for those who demand power, efficiency, and reliability. With a precise 3.307-inch bore size, this piston is designed to enhance combustion dynamics, resulting in improved horsepower and torque. Crafted from premium forged aluminum, the JE piston is built to endure the rigors of high-performance driving, making it an ideal choice for both track enthusiasts and everyday drivers.

Key Features:

Optimized Design: Each piston is meticulously crafted to ensure a perfect fit for the N55B30 engine, maximizing combustion efficiency and overall engine performance.
3.307-Inch Bore: This specific bore size enhances airflow and combustion efficiency, enabling your engine to unleash its full power potential while maintaining reliability.
Durable Forged Construction: Made from high-quality forged aluminum, this piston offers exceptional strength and lightweight properties, making it capable of withstanding extreme conditions found in performance applications.
Enhanced Combustion Characteristics: The uniquely designed piston crown promotes efficient fuel burn, reducing the chances of detonation and improving power delivery across the RPM range.
Trusted Performance: JE Pistons are renowned in the automotive community for their durability and reliability, making them a preferred choice for high-performance builds.

Applications:

Fits BMW N55B30 Engines – Perfect for high-performance applications, whether on the track or on the street.
Ideal for builders looking to enhance their engine’s capabilities, ensuring maximum power and efficiency.

Technical Specifications:

Bore Size: 3.307 inches, specifically designed for optimal performance in the N55B30 engine.
Material: Premium forged aluminum for lightweight and strength.

Show More Show Less

T#:33612886

Part#: 389617

Back Ordered

$ 1,722.99 USD

Add to Wish List

Qty

$ 1,722.99 USD

Add to Wish List

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.

Show More Show Less

Project Cars

SELECT YOUR BMW

BMW Internal Engine Parts for BMW 4 Series F33 (2014+)

Sub-Categories

JE Pistons for BMW/TOYOTA B58B30 - 3.228" Bore, .866" Pin, -11.1CC Dish Volume

JE Pistons for BMW/TOYOTA B58B30 - 3.268" Bore, .866" Pin, -12.3CC Dish

Key Features:

Applications:

Technical Specifications:

Select Vehicle

Purpose

Category

Brand

Price

Shipping

Narrow Results