BMW Internal Engine Parts for BMW X Series E83 (2004-2010)

Clear BMW chassis

Please ensure your correct model is selected

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.

Sub-Categories

Sort By:
N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - Std. Size
N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - Std. Size ...
King - Corporate Logo
T#:598331
Part#: CR222SV
In Stock
$ 52.00 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 52.00 USD
Free Shipping on orders $49 and up
Add to Wish List
Introducing King Connecting Rod Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. King Rod Bearings for BMW Engines come in sets of 2 (2 Upper and 2 Lower Bearing Shells) Suitable for 2 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
Show More Show Less
BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Oversized
BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Ov...
+0.25mm
King - Corporate Logo
T#:597151
Part#: CR222SV0.25
In Stock
$ 52.00 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 52.00 USD
Free Shipping on orders $49 and up
Add to Wish List

BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Oversized provides an exceptional upgrade for enhancing engine performance and reliability. Crafted by King, these bearings are engineered to withstand the rigorous demands of high-performance driving.

  • Premium Quality Construction: Made from lead-free, silver-based tri-metal material, offering superior durability and load-bearing capabilities.
  • 0.25mm Oversized Design: Features an oversized specification to accommodate slight engine wear and ensure a precise fit for optimal performance.
  • Enhanced Engine Stability: Provides exceptional support and stability to the connecting rods, reducing wear and extending engine life.
  • Precision Engineering: Designed to meet exacting standards, ensuring perfect compatibility with BMW N20, N52, N54, and N55 engines.
  • Improved Engine Operation: Delivers smoother and more efficient engine performance, enhancing the overall driving experience.

Turner Motorsport's BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Oversized is ideal for those seeking high-quality components to boost engine reliability and performance.

Show More Show Less
BMW N20 N52 N54 N55 S55 Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized
BMW N20 N52 N54 N55 S55 Connecting Rod Bearing Set of 2 Pairs - 0.50m...
+0.50mm
King - Corporate Logo
T#:3929159
Part#: CR222SV0.5
In Stock at Vendor
$ 52.00

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

$ 48.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 48.99 USD
Free Shipping on orders $49 and up
Add to Wish List

BMW N20 N52 N54 N55 S55 Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized is designed to elevate your engine’s performance and reliability. Developed with high-performance driving in mind, this connecting rod bearing set from Turner Motorsport offers superior durability and support. Each set includes 2 upper and 2 lower bearing shells, crafted from a lead-free, silver-based tri-metal material that is specifically engineered for extreme load applications. These bearings are meticulously designed to meet exact standards, ensuring optimal fitment and compatibility with your BMW engine, resulting in smoother and more reliable operation.

  • Enhanced Engine Performance: Provides superior support and stability for high-performance driving.
  • Durable Construction: Lead-free, silver-based tri-metal material designed for extreme loads.
  • Precise Fitment: Engineered to exact standards for compatibility with BMW N20, N52, N54, N55, and S55 engines.
  • Improved Reliability: Ensures smoother engine operation and reduced wear over time.
  • Complete Set: Includes 2 upper and 2 lower bearing shells for 2 connecting rods.
Show More Show Less
King Performance BMW S54 Main Bearings - Std.
King Performance BMW S54 Main Bearings - Std.
King - Corporate Logo
T#:25706115
Part#: MB7039AM
In Stock
$ 169.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 169.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized
Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized
+0.75mm
King - Corporate Logo
T#:4840521
Part#: CR222SV0.75
In Stock
$ 33.99

This product was last offered at the strikethrough price on
03-20-2026

$ 32.79 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 32.79 USD
Free Shipping on orders $49 and up
Add to Wish List
Introducing King Connecting Rod Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. King Rod Bearings for BMW Engines come in sets of 2 (2 Upper and 2 Lower Bearing Shells) Suitable for 2 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
Show More Show Less
Oil Pump Chain - E36 E46 E34 E39 Z3 Z4
Oil Pump Chain - E36 E46 E34 E39 Z3 Z4
Iwis - Corporate Logo
T#:14529
Part#: 11417576915
In Stock
$ 45.89 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 45.89 USD
Free Shipping on orders $49 and up
Add to Wish List
This is an OEM oil pump chain for BMW's with the M50/M52/M54/S50/S52 6 cylinder engine. We recommend replacing the oil pump chain any time you remove the oil pump from the car.

IWIS is a leader in complex engine parts. Using advanced techniques in research and design allows IWIS to offer parts that not only repair but ultimately improve the way your engine runs.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2005 E83 BMW X3 2.5i X3 3.0i
1996-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000 Z3 BMW M Roadster M Coupe
2003-2006 E85 BMW Z4 2.5i Z4 3.0i
Show More Show Less
BMW N52 Valve Cover & PCV Valve Refresh Kit
BMW N52 Valve Cover & PCV Valve Refresh Kit
Packaged by Turner - Corporate Logo
T#:21735875
Part#: VALVECVRN52KT
In Stock
Sale - Save 12% $ 465.99

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

$ 411.03 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 12%
$ 465.99

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

$ 411.03 USD
Free Shipping on orders $49 and up
Add to Wish List
Maintaining the peak performance and reliability of your BMW N52 engine is essential for a smooth and enjoyable driving experience. One of the most effective ways to achieve this is by replacing critical components like the valve cover, crankcase vent hose, angle connector with heating element, and cylinder sleeve. In this article, we'll delve into the numerous benefits of upgrading these vital parts, ensuring your BMW N52 operates at its best. Optimized Engine Performance: Replacing the valve cover, crankcase vent hose, angle connector, and cylinder sleeve enhances your BMW N52's engine performance. The valve cover plays a crucial role in sealing the engine, preventing oil leaks and ensuring optimal valve operation. When you upgrade these components, you reduce the risk of performance-robbing oil leaks and maintain precise valve timing, resulting in improved horsepower and torque. Enhanced Reliability: Reliability is paramount for any BMW owner. These components, when aged or damaged, can lead to severe engine issues. By replacing them, you significantly reduce the likelihood of unexpected breakdowns or costly repairs, ensuring your BMW N52 engine runs smoothly and reliably for years to come. Improved Fuel Efficiency: An efficiently operating engine not only performs better but also consumes less fuel. The replacement of these components leads to better combustion, reduced emissions, and ultimately improved fuel efficiency. This means fewer trips to the gas station and a lighter environmental footprint. Reduced Maintenance Costs: Regular maintenance and repairs can add up over time. By proactively replacing the valve cover, crankcase vent hose, angle connector, and cylinder sleeve, you mitigate the risk of more extensive engine damage that could lead to expensive repairs down the road. In the long term, this can translate into significant cost savings. Extended Engine Lifespan: The longevity of your BMW N52 engine is directly tied to the quality and condition of its components. When you invest in high-quality replacements, you're effectively extending the lifespan of your engine. This not only preserves the value of your BMW but also allows you to enjoy its performance for years to come. Precise Temperature Control: The angle connector with heating element is vital for maintaining optimal engine temperature, especially in cold weather. A malfunctioning or worn-out connector can disrupt temperature control, affecting engine performance. Replacing this component ensures consistent and precise temperature management. Customized Upgrades: When replacing these components, you have the opportunity to choose high-performance or specialized alternatives, allowing you to customize your BMW N52 to your preferences. Whether you prioritize power, efficiency, or specific driving conditions, there are options available to tailor your engine's performance accordingly. Included in the BMW N52 Valve Cover & PCV Valve Refresh Kit: 6 Cylinder Sleeves 1 Alternator Mounting Screw Set 1 Angle Connector with Heating Element 1 Valve Cover - Gasket Included 1 Crankcase Vent Hose
Show More Show Less
King Performance BMW N54B30A/N55B30A Rod Bearings - 2 Pairs
King Performance BMW N54B30A/N55B30A Rod Bearings - 2 Pairs
King - Corporate Logo
T#:25706094
Part#: CR222GPC
In Stock
$ 96.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 96.99 USD
Free Shipping on orders $49 and up
Add to Wish List
King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. This kit includes a full set of bearing shells!
Show More Show Less
OEM IWIS Lower Timing Chain - E36, E46, E39, Z3 E60
OEM IWIS Lower Timing Chain - E36, E46, E39, Z3 E60
Iwis - Corporate Logo
T#:362220
Part#: 11311432176
In Stock
$ 83.99

This product was last offered at the strikethrough price on
06-08-2026

$ 79.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 79.99 USD
Free Shipping on orders $49 and up
Add to Wish List
IWIS is a leader in complex engine parts. Using advanced techniques in research and design allows IWIS to offer parts that not only repair, but ultimately improve the way your engine runs.
Timing Chain - Upper
Timing Chain - Upper
Bavarian Autosport - Corporate Logo
T#:17871154
Part#: 11311432177
In Stock
Sale - Save 20% $ 27.99

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

$ 22.39 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 20%
$ 27.99

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

$ 22.39 USD
Free Shipping on orders $49 and up
Add to Wish List
King Performance BMW M50 Rod Bearings - Std.
King Performance BMW M50 Rod Bearings - Std.
King - Corporate Logo
T#:25706122
Part#: CR6640SM
In Stock
$ 178.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 178.99 USD
Free Shipping on orders $49 and up
Add to Wish List
King Performance BMW N54/N55 Rod Bearings - 2 Pairs
King Performance BMW N54/N55 Rod Bearings - 2 Pairs
King - Corporate Logo
T#:25706102
Part#: CR222GPC026
In Stock
$ 101.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 101.99 USD
Free Shipping on orders $49 and up
Add to Wish List
King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Set of 4 Bearing Shells - .026 Oversize
Show More Show Less
Timing Component
Timing Component
Bavarian Autosport - Corporate Logo
T#:17871158
Part#: 11367583208
In Stock
Sale - Save 20% $ 199.99

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

$ 159.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 20%
$ 199.99

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

$ 159.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Engine Main Bearing Kit - Size 0.50 Oversized
Engine Main Bearing Kit - Size 0.50 Oversized
+0.50mm
King - Corporate Logo
T#:25706104
Part#: MB7776SI0.5
In Stock
$ 118.99

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

$ 94.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
$ 118.99

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

$ 94.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
Introducing King Main Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. Complete Set: King Main Bearings for BMW Engines come as a full set. Silicon-aluminum Bi-Metal Construction: Crafted from King's premium Silicon-aluminum bi-metal material offering exceptional strength, durability, and heat resistance. Precision Engineering: Engineered with meticulous attention to detail, our bearings are designed to exacting standards to ensure optimal fitment and compatibility with BMW engines. Enhanced Performance: Experience improved engine stability and smoother operation with King Bearings.
Show More Show Less
Timing Chain - Upper
Timing Chain - Upper
Iwis - Corporate Logo
T#:362341
Part#: 11311432177
Ships in 3 Business Days
$ 39.68 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 39.68 USD
Free Shipping on orders $49 and up
Add to Wish List
This is the upper timing chain that connects the 2 camshaft sprockets on cars with the M50, M52, M54, S50 or S52 engines. If you need the lower timing chain that connects the crankshaft to the upper sprocket you can find it  Here . 

IWIS is a leader in complex engine parts. Using advanced techniques in research and design allows IWIS to offer parts that not only repair but ultimately improve the way your engine runs.

This item fits the following BMWs:
1992-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005  E46 BMW  323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995  E34 BMW  525i 
1997-2003  E39 BMW  525i 528i 530i 
2004-2005  E60 BMW  525i 530i 
2004-2006  E83 BMW  X3 2.5i X3 3.0i
2000-2006  E53 BMW  X5 3.0i
1997-2002  Z3 BMW  Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1997-2000  Z3 BMW  Z3 M Roadster M Coupe
2003-2005  E85 BMW  Z4 2.5i Z4 3.0i 
Show More Show Less
King Performance BMW S54 Main Bearings - .25 Oversize
King Performance BMW S54 Main Bearings - .25 Oversize
King - Corporate Logo
T#:25706120
Part#: MB7039AM0.25
Ships in 6 Business Days
$ 178.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 178.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!
Bav Auto Crankshaft Position Sensor - Multiple BMWs
Bav Auto Crankshaft Position Sensor - Multiple BMWs
Bavarian Autosport - Corporate Logo
T#:639826
Part#: 13627525015
Special Order: No Guaranteed ETA
$ 67.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 67.99 USD
Free Shipping on orders $49 and up
Add to Wish List
This crankshaft position sensor provides the ECU with the engine speed signal. It is mounted in either the engine block or the bell housing of the transmission on most cars. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
Show More Show Less
OEM INA Engine Timing Chain - M50, M52, M54, S50, S52
OEM INA Engine Timing Chain - M50, M52, M54, S50, S52
Ina - Corporate Logo
T#:42301980
Part#: ZC0255
Ships in 2 Business Days
$ 41.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 41.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Preserve the performance and longevity of your BMW with the OEM INA Engine Timing Chain. Timing chains stretch over time causing sluggish performance, a check engine light or even a misfire. Replace yours today!
Show More Show Less
Ina Hydraulic Valve Lifter - E60 E61 E82 E88 E90 E91 E92 E93 F10 Z4 E70
Ina Hydraulic Valve Lifter - E60 E61 E82 E88 E90 E91 E92 E93 F10 Z4 E...
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:596290
Part#: 11337605330
In Stock
$ 9.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 9.99 USD
Free Shipping on orders $49 and up
Add to Wish List
If your BMW has noisy or stuck lifters, replace them to improve performance and stop the annoying chatter
OEM Ina Intake Hydraulic Tappet - BMW N52 N54 N55 N20 S55
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
Add to Wish List
$ 15.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Hydraulic valve lifter
OEM INA Hydraulic Lifter - BMW M5X S5X M62 S62
OEM INA Hydraulic Lifter - BMW M5X S5X M62 S62
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:360996
Part#: 11321748884
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 19.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Stock replacement hydraulic valve lifter for the M52, M54 and S50 S52 engines. These lifter buckets can last 150,000+ miles but then they no longer fit on the valve stem correctly and a ticking or knocking noise can result. If the lifter is no longer seated correctly, it can lead to the valve not opening correctly. Replacement is straight-forward but requires special tools for working with the camshafts. This item fits the following BMWs:
1995-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1997-2003 E39 BMW 525i 528i 530i M5
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
2004-2005 E60 BMW 525i 530i
2004-2005 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1996-2002 E36/7 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000 E36/7 BMW M Roadster M Coupe
Show More Show Less
OEM INA Rocker Arm - BMW N20 2.0L, N52 N54 3.0L
OEM INA Rocker Arm - BMW N20 2.0L, N52 N54 3.0L
For your Exhaust camshaft only
Ina - Corporate Logo
T#:41492602
Part#: 11337559797
In Stock
$ 22.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 22.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
OEM INA Engine Oil Pump Chain - E36, E46 ,Z3 , Z4
OEM INA Engine Oil Pump Chain - E36, E46 ,Z3 , Z4
Ina - Corporate Logo
T#:42301987
Part#: ZC0128
Back Ordered
$ 13.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 13.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Keep your BMW’s heart pumping strong, use the INA Oil Pump Chain to replace your stetched and worn out oil pump chain to ensure your engines oiling system is operating at peak performance.

Select Vehicle

BMW Mini
Clear Vehicle

Purpose

Category

Brand

Price

$
$

Special Offers

Shipping