BMW Internal Engine Parts for BMW X6 M S63 4.4L

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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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CP-Carrillo Connecting Rod Set - N63/S63 Pro-Xtreme
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Use With Aftermarket Pistons Only!
5150 Autosport - Corporate Logo
T#:26238404
Part#: CAR-CRS-S63-XT
Ships in 3 Business Days
$ 2,899.99 USD
Free Shipping on orders $49 and up
5150 AutoSport Pro-Xtreme Connecting Rods, manufactured by CP-Carrillo, are designed to handle extreme horsepower and high RPM applications for BMW N63 and S63 Engines. The Pro-Xtreme design is specifically tailored to handle up to 2000 horsepower, making them suitable for high-performance turbo/drag racing or street/strip applications. They are also designed to handle high engine speeds of up to 9500 RPM, which is necessary for achieving maximum power output. Each connecting rod is precisely engineered to meet the demands of high-performance engines using advanced manufacturing techniques such as computer-aided design (CAD) and finite element analysis (FEA). The Pro-Xtreme Connecting Rods are designed to be durable, reliable, and capable of handling the extreme stresses and forces generated by high-horsepower and high-rpm engines.
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CP-Carrillo Pro-Xtreme Connecting Rod Set - BMW N63/S63
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5150 Autosport - Corporate Logo
T#:23681818
Part#: CAR-CRS-S63-XTT
Ships in 3 Business Days
$ 2,999.99 USD
Free Shipping on orders $49 and up
Tailored for exceptional performance, the Pro-Xtreme design is crafted to handle up to 2000 horsepower and 9500 RPM. Constructed from high-strength, aircraft-grade steel, these connecting rods feature a tapered small-end, allowing them to be paired with your OEM pistons.
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CTA Tools N63/S63 Crankshaft Holder
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:587213
Part#: CTA2893X05
Ships on Jul 27, 2026
$ 72.04 USD
Free Shipping on orders $49 and up
If you have to remove your harmonic balancer pulley, you must secure your crankshaft. This is the exact tool you need Loosens central crankshaft bolt on N63 & S63 engines Services various 2008-2013 BMW Basic Instructions for use: Removal: Remove the engine drive belt. Use the Crankshaft Pulley Holder, to prevent the crankshaft from rotating while loosening the crankshaft balancer bolt. Remove the crankshaft balancer bolt. Discard the bolt. Remove the crankshaft balancer. Install: Install the crankshaft balancer. Install a NEW crankshaft balancer bolt. Use the Crankshaft Pulley Holder to prevent the crankshaft from rotating while tightening the crankshaft balancer bolt. Tighten the bolt to Manufacturer recommended ft. lbs. Install the engine drive belt.
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Plastigage Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:640925
Part#: CTA2450
In Stock
$ 9.27 USD
Free Shipping on orders $49 and up

Plastigage Set is an essential tool for accurately measuring the clearances of engine rod and main bearings without the need for expensive micrometers. This set is ideal for ensuring proper engine assembly by helping you choose the correct size replacement bearing inserts. Designed to cover all automotive engines, the Plastigage Set provides precise measurements to maintain optimal engine performance.

  • Accurate Measurements: Measures clearances of engine rod and main bearings, ensuring proper fitment.
  • Cost-Effective: Eliminates the need for expensive micrometers, offering a budget-friendly solution.
  • Universal Application: Suitable for all automotive engines, making it versatile for various applications.
  • Complete Set: Includes sizes .001" - .003" (green) and .002" - .006" (red) to cover a wide range of measurements.
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5150 Autosport Pro-Series Turbo Build Kit - Pro-Xtreme - BMW F90 M5 S...
For vehicles with the S63TU4 (S63T4 or S63B44T4) engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5150 Autosport - Corporate Logo
T#:44733204
Part#: 5150TBKS63F90XT
Back Ordered
$ 10,749.99 USD
$ 10,749.99 USD
5150's Pro-Series Turbo Build Kit is an all-inclusive internals kit assembled to prepare your S63 4.4L engine for high-horsepower performance. This Pro-Xtreme kit is perfect for those who are looking to run upgraded turbos and plan to track or race their S63-powered BMW, enabling the S63 engine to produce up to 1600 HP!
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