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
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:5416764
Part#: 11377548388TMSKT
In Stock
Sale - Save 19% $ 220.99

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

$ 179.28 USD
Free Shipping
Sale - Save 19%
$ 220.99

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

$ 179.28 USD
Free Shipping
Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.
Ina - Corporate Logo
T#:20254639
Part#: 11367583819
Ships in 4 Business Days
$ 101.99 USD
Free Shipping on orders $49 and up

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 - N55/S55
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
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
Free Shipping on orders $49 and up
$ 1,208.99 USD
Free Shipping on orders $49 and up
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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Eccentric Shaft Replacement Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
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
Free Shipping on orders $49 and up
$ 1,208.99 USD
Free Shipping on orders $49 and up

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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Ina - Corporate Logo
T#:35998448
Part#: 11367583818KIT
Ships in 8 Business Days
$ 267.99 USD
Free Shipping on orders $49 and up
Replace this so your timing chain meshes perfectly with the gear teeth for optimal performance.
ECS - Corporate Logo
T#:585946
Part#: 11127531224WPC
In Stock
$ 916.99 USD
Free Shipping
$ 916.99 USD
Free Shipping
A common issue on N54 motors is cam bearing ledge scoring due to lack of lubrication, and if left unattended can cause damage to the camshaft and increase oil consumption. These WPC-treated cam bearing ledges help prevent lubrication issues to ensure no scoring occurs on the bearing ledge or camshaft. What is WPC, you ask? WPC is a surface treatment that reduces friction and adds strength - two improvements that benefit internal engine components. Ultra-fine particles are fired at the surface at very high speeds, like shot-peening - but much, much smaller. The parts come out smoother and stronger due to thermal discharge. The two largest enemies of any high-performance engine are heat and friction - and WPC has found a way to reduce both.
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OEM Ina Intake Hydraulic Tappet - BMW N52 N54 N55 N20 S55
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:591661
Part#: 11337548690
In Stock
$ 15.99 USD
Free Shipping on orders $49 and up
Hydraulic valve lifter
Ina - Corporate Logo
T#:596290
Part#: 11337605330
In Stock
$ 9.99 USD
Free Shipping on orders $49 and up
If your BMW has noisy or stuck lifters, replace them to improve performance and stop the annoying chatter

Ina - Corporate Logo
T#:41492602
Part#: 11337559797
In Stock
$ 22.99 USD
Free Shipping on orders $49 and up
$ 22.99 USD
Free Shipping on orders $49 and up
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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Timing Chain Kit - N47
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:58453423
Part#: 11318570649DKT
Ships on Nov 2, 2026
New Item
$ 1,135.99 USD
Free Shipping on orders $49 and up
The Turner Motorsport N47 Timing Chain Kit provides complete timing restoration for BMW N47 diesel engines to correct premature factory chain failure. The comprehensive replacement package supplies OEM chains, tensioners, guides, sprockets, and Elring sealing components to ensure precision synchronization. Complete the N47 service utilizing the supplied Hengst filtration, LiquiMoly Top-Tec 5W-40 oil, and BMW G48 coolant.
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N47 Lvl3 Water Pump Replacement Kit - F30 328d
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:58453425
Part#: 11518516204BKT
Ships on Dec 2, 2026
New Item
$ 791.99

This product was last offered at the strikethrough price on
10-02-2026

$ 790.99 USD
Free Shipping on orders $49 and up
$ 790.99 USD
Free Shipping on orders $49 and up
The N47 Level 3 Water Pump Replacement Kit restores BMW F30 328d cooling and accessory drive operation. Factory N47 harmonic balancers suffer from heat-cycle deterioration, leading to severe vibration and pulley misalignment. Upgrading the vibration damper simultaneously with the water pump, tensioner assembly, and Kevlar-reinforced belt ensures consistent engine temperature regulation and eliminates catastrophic belt failures. Add the complete N47 service kit to your cart to restore engine reliability.
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