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BMW Internal Engine Parts for BMW X Series F25 (2011+)

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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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N52 Valvetronic Camshaft Adjuster Replacement Kit

T#:5416764

Part#: 11377548388TMSKT

Ships in 5 Business Days

Sale - Save 19% $ 220.99

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

$ 179.20 USD

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Sale - Save 19%

$ 220.99

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

$ 179.20 USD

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Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.

OEM INA Timing Chain Sprocket - Exhaust Camshaft - BMW N20 2.0L ...

We Price Match - Give Us A Call or Chat!

T#:20254639

Part#: 11367583819

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$ 101.99 USD

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$ 101.99 USD

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Improve the performance and reliability of your BMW N20 2.0L engine with the BMW N20 2.0L Timing Chain Sprocket for the exhaust camshaft. This high-quality replacement part ensures precise timing and smooth operation of the exhaust camshaft, enhancing overall engine efficiency and longevity.

Enhances engine performance and reliability
Ensures precise timing of the exhaust camshaft
High-quality construction for long-lasting durability
Compatible with BMW N20 2.0L engines

If your timing chain sprockets are worn or damaged, replace them with this replacement part to ensure that your car has proper timing at all times.

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Eccentric Shaft Replacement Kit

T#:22789670

Part#: S55SHAFTRPCKT

Ships in 1 day

$ 1,209.99

This product was last offered at the strikethrough price on
06-19-2026

$ 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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Ferrea High Performance Valve Spring Kit for BMW N55/S55

T#:23416526

Part#: FER-HPVSK-N55

Ships in 3 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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ARP Head Stud Kit - BMW N55/S55

T#:23416542

Part#: ARP-HSK-S56-CA

In Stock

$ 999.99 USD

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$ 999.99 USD

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Performance N55 Main Bearing Set

T#:26238415

Part#: 5150-HPMBS-N55

Ships in 3 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 3 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

T#:21735862

Part#: CAMGSKTN55S55KT

Ships in 1 day

$ 1,209.99

This product was last offered at the strikethrough price on
06-19-2026

$ 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 INA Timing Chain Sprocket - Inlet Camshaft - BMW N20 2.0L ...

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T#:35998448

Part#: 11367583818KIT

Back Ordered

$ 267.99 USD

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$ 267.99 USD

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Replace this so your timing chain meshes perfectly with the gear teeth for optimal performance.

OEM Ina Intake Hydraulic Tappet - BMW N52 N54 N55 N20 S55

We Price Match - Give Us A Call or Chat!

T#:591661

Part#: 11337548690

In Stock

$ 15.99 USD

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$ 15.99 USD

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Hydraulic valve lifter

Ina Hydraulic Valve Lifter - E60 E61 E82 E88 E90 E91 E92 E93 F10 Z4 E...

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T#:596290

Part#: 11337605330

In Stock

$ 9.99 USD

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$ 9.99 USD

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If your BMW has noisy or stuck lifters, replace them to improve performance and stop the annoying chatter

Performance Rod Bearing Set - N55

T#:26238416

Part#: 5150-HPRBS-N55

Ships in 3 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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OEM INA Rocker Arm - BMW N20 2.0L, N52 N54 3.0L

For your Exhaust camshaft only

T#:41492602

Part#: 11337559797

In Stock

$ 22.99 USD

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$ 22.99 USD

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Rocker arms work in conjunction with your camshafts and valves, applying pressure from the camshaft to open and close your intake and exhaust valves. If your rocker arm rollers have failed, this can lead to extreme camshaft damage, requiring the camshaft to be replaced. Replace your rockers whenever servicing your camshafts or replacing your hydraulic lifters to ensure long-term engine reliability.

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BMW N55/S55 Valves By Super Tech

T#:39329323

Part#: SUP-HPVK-S55-32/

Ships in 3 Business Days

$ 1,143.99 USD

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$ 1,143.99 USD

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ARP Head Stud Kit BMW S55 Custom Age 625+

N55 Engines it is a MUST to drill and tap!

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.

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