BMW Internal Engine Parts for BMW F87 M2 N55 3.0L

OEM Kolbenschmidt Eccentric Shaft - BMW N55 S55 3.0L

T#:31092508

Part#: 11377589883

Ships on Oct 7, 2026

$ 925.99

This product was last offered at the strikethrough price on
03-23-2026

$ 676.99 USD

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The eccentric shaft is an important component of BMW's Valvetronic system, a form of variable valve lift control. If the teeth on the gear or the lobes have worn out, this can result in improper valve lift, decreased or abnormal performance, and even damage to cylinder head components. Replace your eccentric shaft with this high-quality part from OEM Kolbenschmidt to restore performance and eliminate valve lift issues without the marked-up price of a Genuine BMW eccentric shaft.

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ARP ARP2000 Head Stud Kit - N55

T#:42335661

Part#: ARP-HSK-N55-S

Ships in 4 Business Days

$ 699.99 USD

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$ 699.99 USD

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Enhance your BMW N55 engine's ability to handle higher levels of boost with 5150's custom-designed Head Stud Kit from ARP, the global leader in fastener technology!

Ferrea High Performance Valve Spring Kit for BMW N55/S55

T#:23416526

Part#: FER-HPVSK-N55

Ships in 4 Business Days

$ 1,049.99 USD

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$ 1,049.99 USD

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Maximize your N55 or S55 engine's performance with Ferrea Valve Springs and Retainers, precision components crafted from chromoly alloy. These springs undergo special thermal treatment, ensuring exceptional durability even in extreme racing conditions. Addressing issues like valve binding, breakage, and float, Ferrea valve springs are meticulously heat-treated and stress-relieved, providing stability for high-lift and high-RPM racing engines while minimizing load loss. Precision CNC machined titanium retainers offer superior strength and stability. Ferrea's Spring Seat Locators, made from 4140 chromoly alloy, guarantee precise tolerances and a flat, parallel spring pad with a hard Nitride surface treatment for exceptional toughness and anti-wear characteristics. Please note that installation requires the expertise of an engine builder.

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Eccentric Shaft Replacement Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:22789670

Part#: S55SHAFTRPCKT

In Stock

$ 1,209.99

This product was last offered at the strikethrough price on
08-24-2026

$ 1,208.99 USD

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$ 1,208.99 USD

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Ensure the peak performance of your BMW N55 or S55 engine with Turner Motorsport's Eccentric Shaft Replacement Kit. This all-inclusive kit features essential components, including:

Camshaft
Eccentric Shaft Bearing
Valve Cover Gasket Set
Gasket

Designed for precision and durability, this kit guarantees optimal engine performance and longevity. Rely on Turner Motorsport for top-quality replacement parts that adhere to the highest standards.

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Performance N55 Main Bearing Set

T#:26238415

Part#: 5150-HPMBS-N55

Ships in 4 Business Days

$ 549.99 USD

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$ 549.99 USD

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5150 High Performance Coated Main Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.

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BMW N55 S55 Ferrea High Performance Valve Kit

T#:23416508

Part#: FER-HPVK-S55-T-3

Ships in 4 Business Days

$ 929.99 USD

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$ 929.99 USD

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Increase the power output of your N55/S55 engine with the high-performance Ferrea valve kit. Renowned as the industry's most reliable extreme-duty valves, they're meticulously crafted from aerospace-grade alloys, employing an exclusive two-step slow forging process for optimal grain flow and material structure integrity. A 48-hour heat treatment and stress-relieving process enhance molecular integrity. The valves feature avionics-quality hard chrome and a specially applied hard tip. Standard size: 32mm intake / 28mm exhaust, with a triple groove valve design. Compatible with factory valve locks ("Valve Keepers"), the kit includes 12x Intake Valves and 12x Exhaust Valves for a comprehensive engine upgrade!

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Eccentric Shaft Replacement Kit - N55/S55

10X Entries Into Our F80 M3 Sweepstakes

T#:21735862

Part#: CAMGSKTN55S55KT

In Stock

$ 1,209.99

This product was last offered at the strikethrough price on
08-24-2026

$ 1,208.99 USD

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$ 1,208.99 USD

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When it comes to optimizing the performance and longevity of your BMW N55 or S55 engine, few upgrades can rival the impact of replacing the camshaft, bearings, and gaskets. These essential components play a pivotal role in your engine's overall health and performance, and upgrading them can deliver a host of benefits, from increased power to enhanced reliability. In this article, we'll explore the advantages of investing in these critical upgrades for your BMW N55 or S55 engine. Improved Performance: Upgrading your BMW N55 or S55 engine with a new camshaft can significantly boost its performance. A high-quality camshaft can optimize valve timing, leading to improved airflow and combustion efficiency. This, in turn, results in increased horsepower and torque, providing you with a more exhilarating driving experience. If you're seeking that extra punch when you hit the gas pedal, a new camshaft is the way to go. Enhanced Durability: The camshaft, bearings, and gaskets are fundamental components of your engine's internal structure. Over time, wear and tear can cause these parts to degrade, potentially leading to catastrophic engine failure. By replacing these components with high-quality, performance-oriented alternatives, you're not only increasing horsepower but also reinforcing the engine's durability. This can help prevent costly breakdowns and extend the life of your BMW engine. Optimal Efficiency: Efficiency is a key factor in engine performance. Worn-out bearings and gaskets can lead to oil leaks and reduced engine efficiency. Replacing them ensures a tighter seal, minimizing oil leaks and maintaining the proper lubrication for all moving parts. This leads to better fuel efficiency and a smoother, more reliable engine operation, all while reducing maintenance costs in the long run. Increased Resale Value: Investing in high-quality components like camshafts, bearings, and gaskets not only enhances your driving experience but also adds value to your BMW. When it's time to sell or trade-in your vehicle, potential buyers or dealerships will recognize the value of these upgrades, making your car more desirable and potentially increasing its resale value. Kit for All N55/S55 Engines

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OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

T#:31092510

Part#: 11367583208

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

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$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the exhaust camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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S55/N55T- WPC Treated Genuine BMW Upper MAIN Bearing (BLUE SHELL) - S...

10X Entries Into Our F80 M3 Sweepstakes

T#:585807

Part#: 11217849234WPC

In Stock

Sale - Save 35% $ 60.99

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

$ 39.63 USD

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Sale - Save 35%

$ 60.99

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

$ 39.63 USD

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S55/N55T- WPC Treated Genuine BMW Lower MAIN Bearing (BLUE SHELL) - S...

10X Entries Into Our F80 M3 Sweepstakes

T#:585808

Part#: 11217849238WPCKT

In Stock

Sale - Save 29% $ 60.99

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

$ 43.08 USD

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Sale - Save 29%

$ 60.99

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

$ 43.08 USD

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ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...

T#:338571

Part#: TMS1733

In Stock

Starting at $ 1.99 USD

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Starting at $ 1.99 USD

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If you are using a premium fastener, such as the ARP brand rod bolts, head bolts, or main bolts, then you will want this assembly lube. Made to be used to precisely duplicate all ARP fastener preload specifications.

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Performance Rod Bearing Set - N55

T#:26238416

Part#: 5150-HPRBS-N55

Ships in 4 Business Days

$ 399.99 USD

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$ 399.99 USD

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5150 High Performance Coated Rod Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.

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JE Pistons BMW N55B30

T#:33612897

Part#: 3380966

In Stock at Vendor

$ 1,649.99 USD

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$ 1,649.99 USD

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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.

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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

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$ 1,649.99 USD

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BMW N55/S55 Valves By Super Tech

T#:39329323

Part#: SUP-HPVK-S55-32/

Ships in 4 Business Days

$ 1,143.99 USD

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$ 1,143.99 USD

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5150 AutoSport & Cat Cams Camshaft Set - 278* / 272* - 11.20mm / 10.3...

T#:39126861

Part#: N55CCCAM-278-272

Ships in 4 Business Days

$ 1,799.99 USD

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$ 1,799.99 USD

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Cat Cams offer great performance at a reasonable price. Cat Cam offers cams in the most popular enthusiast upgrade specs to ensure there is an option for whatever your power goal is. This N55 camshaft set is designed to bring your engine to the next level! Whether it's for street or track purposes, this camshaft set offers the power gains and throttle response needed to push your N55 to its limits. These camshafts are a direct fit for seamless installation and with some simple tuning can produces great power while retaining factory-like idle and driveability. Valvetronic and Dual VANOS functionality can be fully retained, or with an aftermarket throttle body, the valvetronic system can be locked open, providing even more control.

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TRW Engine Intake Valve - BMW N20 N55

T#:31092511

Part#: 11347583777

Special Order: No Guaranteed ETA

$ 6.08

This product was last offered at the strikethrough price on
03-31-2026

$ 5.58 USD

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$ 5.58 USD

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This is a standard replacement valve that is used if you have bent a valve due to timing component failure or any other mechanical failure

TRW Engine Exhaust Valve - BMW N20 N55

T#:31092512

Part#: 11347598273

Special Order: No Guaranteed ETA

$ 10.78

This product was last offered at the strikethrough price on
03-31-2026

$ 9.89 USD

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$ 9.89 USD

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This is a standard replacement valve that is used if you have bent a valve due to timing component failure or any other mechanical failure

JE Pistons BMW N55 Single

T#:33846578

Part#: 338096S

Back Ordered

$ 349.99 USD

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$ 349.99 USD

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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.

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ARP Head Stud Kit BMW S55 Custom Age 625+

N55 Engines it is a MUST to drill and tap!

T#:41458801

Part#: ARP-HSK-S55-CA

Back Ordered

$ 899.99 USD

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$ 899.99 USD

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Upgrade your S55 with the ARP Head Stud Kit BMW S55 Custom Age 625+ and drive with confidence under pressure.

BMW N55B30 JE Pistons

T#:33612902

Part#: 338097

Back Ordered

$ 1,649.99 USD

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$ 1,649.99 USD

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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.

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BMW N55 JE Piston ULTRA SERIES

T#:33612896

Part#: 367880

Back Ordered

$ 1,674.99 USD

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$ 1,674.99 USD

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JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.

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BMW N55B30 ULTRA SERIES

T#:33612895

Part#: 367879

In Stock at Vendor

$ 1,674.99 USD

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$ 1,674.99 USD

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JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.

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BMW Internal Engine Parts for BMW F87 M2 N55 3.0L

Sub-Categories

OEM Kolbenschmidt Eccentric Shaft - BMW N55 S55 3.0L

ARP ARP2000 Head Stud Kit - N55

Ferrea High Performance Valve Spring Kit for BMW N55/S55

Eccentric Shaft Replacement Kit

Performance N55 Main Bearing Set

BMW N55 S55 Ferrea High Performance Valve Kit

Eccentric Shaft Replacement Kit - N55/S55

OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

S55/N55T- WPC Treated Genuine BMW Upper MAIN Bearing (BLUE SHELL) - S...

S55/N55T- WPC Treated Genuine BMW Lower MAIN Bearing (BLUE SHELL) - S...

ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...

Performance Rod Bearing Set - N55

JE Pistons BMW N55B30

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

BMW N55/S55 Valves By Super Tech

5150 AutoSport & Cat Cams Camshaft Set - 278* / 272* - 11.20mm / 10.3...

TRW Engine Intake Valve - BMW N20 N55

TRW Engine Exhaust Valve - BMW N20 N55

JE Pistons BMW N55 Single

Key Features:

Applications:

Technical Specifications:

ARP Head Stud Kit BMW S55 Custom Age 625+

BMW N55B30 JE Pistons

BMW N55 JE Piston ULTRA SERIES

BMW N55B30 ULTRA SERIES

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