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

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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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Main Bearing Set - M20, M42, M50, M52, M44, M54, S50, S52, S54 ...

T#:12919

Part#: 11211706847

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$ 110.29 USD

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$ 110.29 USD

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These are the "Yellow" main bearing shells for many BMW 4 and 6 cylinder engines. The size is 60.00mm. Set includes bearings for 6 cylinder cars. 4 cylinder cars get 2 spare bearing sets.

KS Kolbenshmidt designs and produces internal parts for gasoline and diesel engines and is an OEM choice for many automakers. Both increased power handling and reduced fuel consumption are the motivating factors behind this company and they continue to innovate every day.

This item fits the following BMWs:
1990-1991 E30 BMW 318i 318is 318ic
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1989-1990 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
2004-2006 E83 BMW X3 2.5i X3 3.0i
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2006 E85 BMW Z4 2.5i Z4 3.0i - M54
2006-2008 E85 BMW Z4 M Roadster M Coupe

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N52 Valvetronic Camshaft Adjuster Replacement Kit

10X Entries Into Our F80 M3 Sweepstakes

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

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Sale - Save 19%

$ 220.99

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

$ 179.28 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.

BMW N52 Valve Cover & PCV Valve Refresh Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:21735875

Part#: VALVECVRN52KT

Ships in 3 Business Days

Sale - Save 11% $ 465.99

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

$ 414.91 USD

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Qty

Sale - Save 11%

$ 465.99

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

$ 414.91 USD

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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

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Complete Cylinder Head Replacement Kit - BMW M52TU M54

10X Entries Into Our F80 M3 Sweepstakes

T#:15710818

Part#: 11127514540KT

Ships on Nov 19, 2026

Sale - Save 8% $ 2,332.99

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

$ 2,143.79 USD

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Sale - Save 8%

$ 2,332.99

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

$ 2,143.79 USD

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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!

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OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

T#:31092510

Part#: 11367583208

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

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$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the exhaust camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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OEM Kolbenschmidt Adjustment Unit - Inlet Camshaft - BMW N52 N55 S55 ...

T#:31092509

Part#: 11367583207

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

Add to Wish List

Qty

$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the intake camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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

Sub-Categories

Main Bearing Set - M20, M42, M50, M52, M44, M54, S50, S52, S54 ...

N52 Valvetronic Camshaft Adjuster Replacement Kit

BMW N52 Valve Cover & PCV Valve Refresh Kit

Complete Cylinder Head Replacement Kit - BMW M52TU M54

OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

OEM Kolbenschmidt Adjustment Unit - Inlet Camshaft - BMW N52 N55 S55 ...

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