BMW Internal Engine Parts for BMW E90 M3 S65 4.0L

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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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VAC Performance Coated Rod Bearing Kit - Standard Size - S65 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
VAC Motorsports - Corporate Logo
T#:1061445
Part#: VAC-HPRBK-S65
In Stock
$ 799.99 USD
Free Shipping
$ 799.99 USD
Free Shipping
VAC's S65 bearings are embraced by BMW engine builders world wide. Popular for both forced induction and N/A builds, their coated bearings are "friction resistant" making thermal breakdowns that can occur due to lack of lubrication a much less common occurrence. Helping to prevent premature engine failures on street cars, and spun bearings under stress at the track when things are most critical.
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Supertech Valve Spring Kit - BMW S65 Engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:4908057
Part#: ST-VSK-S65
Ships in 7 Business Days
$ 469.99 USD
Free Shipping
$ 469.99 USD
Free Shipping

Revitalize your BMW S65 engine's performance with Supertech Beehive Valve Springs – a reliable solution to the common issue of valve spring breakage. Designed as an economical yet high-quality alternative, these valve springs are the perfect complement to Stage 1 and Stage 2 cylinder heads.

  • Enhanced Durability: Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy.
  • High-Performance Design: Withstands high rpms for improved engine performance.
  • Better Memory: Ensures consistent performance under extreme conditions.
  • Precision Engineering: Computer-designed to manage wire stress levels and harmonics.
  • Complementary Upgrade: Ideal for use with Stage 1 and Stage 2 cylinder heads.

Upgrade your BMW S65 engine with Supertech Beehive Valve Springs for reliable and durable performance.

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VAC MOTORSPORTS PREMIUM STROKER KIT, BMW S65, 4.4L/4.5L/4.6L/4.7L - I...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
VAC Motorsports - Corporate Logo
T#:16840476
Part#: SKS65ST2941151S
Ships in 2 Business Days
$ 11,988.99 USD
Free Shipping on orders $49 and up

VAC Motorsports Flanged Cylinder Sleeves - S65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
VAC Motorsports - Corporate Logo
T#:27705422
Part#: VAC-FCS-S65-G2
Ships on Jul 27, 2026
$ 1,439.99 USD
Free Shipping on orders $49 and up

VAC Motorsports Flanged Cylinder Sleeves - S65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
VAC Motorsports - Corporate Logo
T#:27705424
Part#: VAC-FCS-S65-G1
Ships on Jul 27, 2026
$ 1,439.99 USD
Free Shipping on orders $49 and up