Home
Engine Parts
Internal Engine

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

Clear BMW chassis

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:

Cylinder Head Oil Check Valve

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:35863150

Part#: 11367541692

In Stock

$ 39.08 USD

Add to Wish List

Qty

$ 39.08 USD

Add to Wish List

Genuine BMW Non-Return Valve
This item fits the following BMW Chassis:
E82 1M Coupe,E70 X5 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N,N54,N54T

Show More Show Less

N52 Valvetronic Camshaft Adjuster Replacement Kit

T#:5416764

Part#: 11377548388TMSKT

Ships in 4 Business Days

Sale - Save 19% $ 220.99

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

$ 179.20 USD

Add to Wish List

Qty

Sale - Save 19%

$ 220.99

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

$ 179.20 USD

Add to Wish List

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

Oil Pump Chain - E36 E46 E34 E39 Z3 Z4

T#:14529

Part#: 11417576915

In Stock

$ 45.89 USD

Add to Wish List

Qty

$ 45.89 USD

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

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

Add to Wish List

Qty

Sale - Save 12%

$ 465.99

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

$ 411.03 USD

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

OEM IWIS Lower Timing Chain - E36, E46, E39, Z3 E60

T#:362220

Part#: 11311432176

In Stock

$ 83.99

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

$ 79.99 USD

Add to Wish List

Qty

$ 79.99 USD

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.

URO Valvetronic Camshaft Adjusting Unit - BMW N52 3.0L

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:8677205

Part#: 11377548388

Ships in 1 Business Day

$ 137.99 USD

Add to Wish List

Qty

$ 137.99 USD

Add to Wish List

This new Valvetronic variable valve timing actuator works by adjusting the eccentric shaft, increasing or decreasing valve lift and duration for optimal performance. If your actuator has failed, you will notice a significant power and performance decrease and an engine service light illuminated on the dash. Replace your with this quality URO replacement to restore performance and get your BMW back on the road! Features: Guaranteed fitment High-strength materials withstand engine heat and vibration Manufactured to OE dimensions for proper clearances and alignment Matches OE specifications for proper timing at all engine speeds 24-Month Unlimited Mileage Warranty

Show More Show Less

Complete Cylinder Head Replacement Kit - BMW M52TU M54

T#:15710818

Part#: 11127514540KT

Ships on Sep 30, 2026

Sale - Save 2% $ 2,332.99

This product was last offered at the strikethrough price on
06-10-2026

$ 2,277.27 USD

Add to Wish List

Qty

Sale - Save 2%

$ 2,332.99

This product was last offered at the strikethrough price on
06-10-2026

$ 2,277.27 USD

Add to Wish List

When duty calls and its time to replace or refresh your cylinder head, you'll need quite a few components. Look no further because we've collected all those parts into one kit including notable items like 7 liters of BMW oil, 1 gallon of coolant, all seals and gaskets needed and required hardware all available in one kit at the push of a button!

Show More Show Less

URO VVT Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S55 3.0L ...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:7530051

Part#: 11367583208

In Stock

$ 201.99 USD

Add to Wish List

Qty

$ 201.99 USD

Add to Wish List

This timing chain camshaft gear controls the camshaft position and timing and is located toward the front of the engine. Located on the exhaust side of the engine at the front end of the exhaust camshaft. Sometimes changed when replacing the timing chain. T#34658 may also be required when servicing this part.

Show More Show Less

Timing Chain - Upper

T#:362341

Part#: 11311432177

Ships in 3 Business Days

$ 39.68 USD

Add to Wish List

Qty

$ 39.68 USD

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

AMC Cylinder Head - complete - E39, E46, E53, E60, E61, E83, Z3, Z4 ...

T#:383390

Part#: 11127514540-3

Ships on Aug 14, 2026

$ 1,562.99 USD

Add to Wish List

Qty

$ 1,562.99 USD

Add to Wish List

Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation

AMC Cylinder Head - Bare - E39, E46, E53, E60, E61, E83, Z3, Z4 ...

T#:19277

Part#: 11127514540

Ships on Aug 14, 2026

$ 1,869.02 USD

Add to Wish List

Qty

$ 1,869.02 USD

Add to Wish List

CYLINDER HEAD WITH BEARING L 11127514540 Manufactured by AMC New

AMC Cylinder Head - Complete - E39, E46, E53, E60, E61, E83, Z3, Z4 ...

T#:363902

Part#: 11127514540-2

Special Order: No Guaranteed ETA

$ 1,864.99 USD

Add to Wish List

Qty

$ 1,864.99 USD

Add to Wish List

Complete cylinder head with guides, seats, valves, & springs

Select Vehicle

Purpose

Category

Internal Engine

Brand

View All Brands

Price

Special Offers

On Sale (3)

Shipping