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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Ferrea Performance Intake Valve - Stock Size

T#:583445

Part#: F1550P

Back Ordered

$ 34.99

This product was last offered at the strikethrough price on
11-04-2026

$ 31.99 USD

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$ 31.99 USD

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Ferrea Performance Exhaust Valve - Stock Size

T#:583444

Part#: F1552P

Ships on Dec 1, 2026

$ 34.99

This product was last offered at the strikethrough price on
11-04-2026

$ 31.99 USD

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$ 31.99 USD

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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.

Enhances engine performance and reliability
Precision-engineered for optimal fit and function
High-quality forged construction ensures durability
Designed specifically for the M52 engine

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MAHLE PowerPak Piston Kit 87.50mm - S54 - 3.2L

T#:2929007

Part#: 930000145

Special Order: No Guaranteed ETA

$ 1,088.50 USD

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$ 1,088.50 USD

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Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.

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MAHLE Forged Piston Kit 84.127mm with Thermal Barrier Coating (TBC) -...

T#:2928979

Part#: 197843112T

In Stock at Vendor

$ 1,103.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,004.99 USD

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$ 1,004.99 USD

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Forged 4032. Get the performance and reliability your M54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.

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