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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ACL - Corporate Logo
T#:567606
Part#: 6B1584H-STD
In Stock
$ 193.99 USD
Free Shipping
$ 193.99 USD
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Introducing the BMW N52, N54, N55, and S55 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N52, N54, N55, and S55 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

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ACL - Corporate Logo
T#:10811990
Part#: ACL6B1584HX
In Stock
$ 258.99

This product was last offered at the strikethrough price on
05-30-2026

$ 209.99 USD
Free Shipping
$ 209.99 USD
Free Shipping
The ACL N54 Race Series High-Performance Rod Bearing Set is an elite enhancement tailored exclusively for BMW N54 engine models. Meticulously engineered for precision and durability, these rod bearings deliver heightened performance and reliability even under intense conditions. Crafted from premium materials and engineered to precise specifications, they ensure exceptional strength and longevity. This makes them the perfect selection for enthusiasts and professional racers striving to maximize the performance and endurance of their N54-powered vehicles.
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MANLEY - Corporate Logo
T#:17073607
Part#: 647005C-6
In Stock
8% off MSRP $ 1,208.99

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

$ 1,111.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 1,208.99

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

$ 1,111.99 USD
Free Shipping on orders $49 and up

BMW N55 S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore is designed for high-performance applications, providing exceptional strength and durability for BMW engines. Turner Motorsport offers this premium piston set to enhance engine reliability and efficiency.

  • High-Strength Material: Crafted from 2618 high-strength material for superior durability and performance.
  • Quiet Start-Ups: Offset wrist pin design minimizes noise during engine start-ups.
  • Premium Pins: Includes a .210” wall Premium Chrome Moly pin (Standard Series) or a .210” wall 9310 alloy pin (Extreme Duty Series) for added strength.
  • Pressure Balance Groove: Features a pressure balance groove to improve piston stability and efficiency.
  • Valve Accommodation: Designed to accommodate +1mm valve sizes for enhanced engine performance.
  • Top-Quality Rings: Comes with premium steel top rings, Napier seconds, and round wire locks for optimal sealing and reliability.
  • Recommended Clearance: Piston clearance of .0035” measured .850” from the bottom of the oil ring for precise fitment.
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Ina - Corporate Logo
T#:20254639
Part#: 11367583819
Back Ordered
$ 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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MANLEY - Corporate Logo
T#:17073609
Part#: 647000C-6
In Stock at Vendor
8% off MSRP $ 1,208.99

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

$ 1,111.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 1,208.99

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

$ 1,111.99 USD
Free Shipping on orders $49 and up

Upgrade the performance of your BMW N55/S55 3.0L engine with the Turner Motorsport Manley 37cc Platinum Series Dish Piston Set. Crafted from high-strength 2618 material, these pistons offer exceptional durability and reliability. The offset wrist pin design ensures quiet start-ups, while the inclusion of both Premium Chrome Moly and 9310 alloy .210” wall pins caters to varying needs. The pressure balance groove, compatibility with +1mm valve sizes, and premium steel top rings with Napier seconds and round wire locks make these pistons a top-notch choice. With a recommended piston clearance of .0035”, measured .850” from the bottom of the oil ring, these pistons guarantee optimal performance for your BMW engine.

  • Manley 37cc Platinum Series Dish Piston Set for BMW N55/S55 3.0L engine.
  • High-strength 2618 material for exceptional durability.
  • Offset wrist pin for quiet start-ups.
  • Includes both Premium Chrome Moly and 9310 alloy .210” wall pins.
  • Pressure balance groove for enhanced performance.
  • Accommodates +1mm valve sizes for customization.
  • Premium steel top rings with Napier seconds and round wire locks included.
  • Recommended piston clearance of .0035” ensures optimal engine function.

Enhance your BMW's engine with the Turner Motorsport Manley 37cc Platinum Series Dish Piston Set, delivering reliability and performance.

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ACL - Corporate Logo
T#:34114209
Part#: 4B1584H-STD
In Stock
$ 182.99

This product was last offered at the strikethrough price on
05-04-2026

$ 124.99 USD
Free Shipping on orders $49 and up
$ 124.99 USD
Free Shipping on orders $49 and up

Introducing the BMW N20/N26 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N20 and N26 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

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MANLEY - Corporate Logo
T#:17073606
Part#: 647005CE-6
In Stock
7% off MSRP $ 1,309.99

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

$ 1,222.99 USD
Limited Qty Sale
7% off MSRP
$ 1,309.99

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

$ 1,222.99 USD
Limited Qty Sale

ACL - Corporate Logo
T#:637190
Part#: 6B1584H-.025
Special Order: No Guaranteed ETA
$ 261.99 USD
Free Shipping
$ 261.99 USD
Free Shipping
Upgraded Bearing Shells for you N55/N54/S55B30!

Ina - Corporate Logo
T#:35998448
Part#: 11367583818KIT
Back Ordered
$ 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.
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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MANLEY - Corporate Logo
T#:17073608
Part#: 647000CE-6
Ships on Aug 5, 2026
8% off MSRP $ 1,423.99

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

$ 1,309.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 1,423.99

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

$ 1,309.99 USD
Free Shipping on orders $49 and up