BMW Internal Engine Parts for BMW 3 Series E46 (1999-2005)

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.

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BMW S54 VAC Performance Coated Rod Bearing Kit

T#:7164819

Part#: VAC-HPRBS-S54

Ships on Nov 30, 2026

$ 479.99 USD

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$ 479.99 USD

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BMW S54 VAC Performance Coated Rod Bearing Kit is highly regarded by BMW engine builders worldwide for its superior quality and performance. Ideal for both forced induction and naturally aspirated builds, these coated bearings are designed to be friction-resistant, reducing the risk of thermal breakdowns due to inadequate lubrication. This feature significantly decreases the chances of premature engine failure in street cars and minimizes the risk of spun bearings during high-stress track conditions.

The VAC Performance Coated Rod Bearing Kit is proven to help maintain engine reliability, even in situations with reduced oil pressure.

Enhanced Durability: Coated bearings are friction-resistant, reducing the risk of thermal breakdown.
Increased Reliability: Helps prevent premature engine failure and spun bearings under stress.
Versatile Performance: Suitable for both forced induction and naturally aspirated engine builds.
Proven Track Record: Tested by customers to ensure reliable performance even with oil pressure loss.

VAC Tech Notes:

Ensure proper tolerance and size checks before installation.
Professional installation is recommended due to specialized tools required.
Returns are not available on any engine bearings.

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BMW M50 M52 S50 S52 Shrick Camshaft Set 276 intake / 270 exhaust ...

For single-VANOS M52 2.8L only

T#:4731086

Part#: SCH-CSS-S52-276/

Ships in 2 Business Days

$ 2,640.99

This product was last offered at the strikethrough price on
09-10-2026

$ 1,779.99 USD

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$ 1,779.99 USD

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Elevate your BMW's engine performance with Schrick's premium camshafts, crafted with over 40 years of dedication to excellence. Catering to both street and track enthusiasts, Schrick ensures top-quality materials for strength and accuracy. This renowned brand has formed a lasting bond with BMW enthusiasts, providing advanced camshaft options that have stood the test of time.

Premium Schrick camshafts for BMW
Over 40 years of dedicated engine performance expertise
Ideal for both street and track applications
Top-quality materials for strength and accuracy
Trusted by BMW enthusiasts worldwide
Advanced engine testing and manufacturing technology

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JE Pistons Forged Piston Set - 84mm - 10.5:1 - M52

T#:11857228

Part#: JE-FPS-M52-84-10

Ships on Nov 30, 2026

$ 1,441.99 USD

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$ 1,441.99 USD

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Boost Your BMW's Engine with JE Pistons

Upgrade your BMW's engine with the JE Pistons Forged Piston Set designed for the M52 engine. These high-quality forged pistons feature a diameter of 84mm and a compression ratio of 10.5:1, ensuring improved performance and reliability for your BMW.