BMW Internal Engine Parts for BMW F86 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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King - Corporate Logo
T#:4840526
Part#: MB5801SM
In Stock
$ 286.00 USD
Free Shipping on orders $49 and up
Introducing King Main Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. Complete Set: King Main Bearings for BMW Engines come as a full set. Silicon-aluminum Bi-Metal Construction: Crafted from King's premium Silicon-aluminum bi-metal material offering exceptional strength, durability, and heat resistance. Precision Engineering: Engineered with meticulous attention to detail, our bearings are designed to exacting standards to ensure optimal fitment and compatibility with BMW engines. Enhanced Performance: Experience improved engine stability and smoother operation with King Bearings.
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King - Corporate Logo
T#:4744845
Part#: CR8050SV
In Stock
$ 323.99 USD
Free Shipping on orders $49 and up
Introducing King Connecting Rod Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. King Rod Bearings for the N63/S63 come in a full set suitable for 8 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
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King - Corporate Logo
T#:26504938
Part#: MB5801SM0.25
In Stock at Vendor
$ 286.00

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

$ 255.99 USD
Free Shipping on orders $49 and up
$ 255.99 USD
Free Shipping on orders $49 and up
Introducing King Main Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. Complete Set: King Main Bearings for BMW Engines come as a full set. Silicon-aluminum Bi-Metal Construction: Crafted from King's premium Silicon-aluminum bi-metal material offering exceptional strength, durability, and heat resistance. Precision Engineering: Engineered with meticulous attention to detail, our bearings are designed to exacting standards to ensure optimal fitment and compatibility with BMW engines. Enhanced Performance: Experience improved engine stability and smoother operation with King Bearings.
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King - Corporate Logo
T#:24876324
Part#: CR8049SV
In Stock
$ 378.99

This product was last offered at the strikethrough price on
06-18-2026

$ 296.99 USD
Free Shipping on orders $49 and up
$ 296.99 USD
Free Shipping on orders $49 and up

King - Corporate Logo
T#:26538359
Part#: CR8050SV0.5
In Stock at Vendor
$ 324.99 USD
Free Shipping on orders $49 and up
Introducing King Connecting Rod Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. King Rod Bearings for the N63/S63 come in a full set suitable for 8 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
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ARP - Corporate Logo
T#:51110152
Part#: 201-4703
Ships in 8 Business Days
New Item
$ 1,099.99 USD
Free Shipping on orders $49 and up
For engine builders pushing the absolute limits of high-performance engineering, the ARP Custom Age 625+ Cylinder Head Stud Kit represents the pinnacle of fastening technology. While standard aircraft-quality steels and even the renowned ARP2000 alloy are impressive, the proprietary Custom Age 625+ super-alloy provides a massive leap in capability by increasing tensile strength by an additional 40,000 to 60,000 psi. This specialized hardware is engineered specifically for ultra-high-boost applications, offering superior fatigue resistance and the unique ability to maintain its structural integrity under extreme temperatures that would cause lesser materials to weaken.
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ECS - Corporate Logo
T#:5470995
Part#: 11247617339WPC
In Stock
Sale - Save 31% $ 61.99

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

$ 42.63 USD
Sale - Save 31%
$ 61.99

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

$ 42.63 USD
ARP - Corporate Logo
T#:338571
Part#: TMS1733
In Stock
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
If you are using a premium fastener, such as the ARP brand rod bolts, head bolts, or main bolts, then you will want this assembly lube. Made to be used to precisely duplicate all ARP fastener preload specifications.
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King - Corporate Logo
T#:26538358
Part#: CR8050SV0.25
In Stock at Vendor
$ 324.99 USD
Free Shipping on orders $49 and up
Introducing King Connecting Rod Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. King Rod Bearings for the N63/S63 come in a full set suitable for 8 Con-Rods. The Upper and Lower bearing shells are comprised of a lead-free, Silver-based tri-metal material designed for extreme load applications. Engineered with meticulous attention to detail, King bearings are designed to exact standards to ensure optimal fitment and compatibility with BMW engines. Experience improved smoother engine operation with King Bearings.
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King - Corporate Logo
T#:26504940
Part#: MB5801SM0.5
Ships in 6 Business Days
$ 285.99

This product was last offered at the strikethrough price on
06-24-2026

$ 206.99 USD
Free Shipping on orders $49 and up
$ 206.99 USD
Free Shipping on orders $49 and up
Introducing King Main Bearings for BMW Engines: the ultimate solution for enhancing your engine's performance. Crafted with precision and expertise, King's bearings offer unmatched durability and reliability. Designed to meet the demands of high-performance driving, they provide the stability and support your engine needs. Elevate your BMW driving experience with King Bearings. Complete Set: King Main Bearings for BMW Engines come as a full set. Silicon-aluminum Bi-Metal Construction: Crafted from King's premium Silicon-aluminum bi-metal material offering exceptional strength, durability, and heat resistance. Precision Engineering: Engineered with meticulous attention to detail, our bearings are designed to exacting standards to ensure optimal fitment and compatibility with BMW engines. Enhanced Performance: Experience improved engine stability and smoother operation with King Bearings.
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ARP - Corporate Logo
T#:54104152
Part#: 201-4702
Ships on Aug 5, 2026
New Item
20% off MSRP $ 639.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 511.99 USD
20% off MSRP
$ 639.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 511.99 USD
Developed specifically for high-boost, high-horsepower motorsport applications, the ARP Head Stud Kit provides the ultimate clamping force required to maintain a perfect head-to-block seal under the most grueling race conditions.
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King - Corporate Logo
T#:41863727
Part#: CR8049GPC
Back Ordered
$ 195.99 USD
Free Shipping on orders $49 and up
$ 195.99 USD
Free Shipping on orders $49 and up
GPC is King Bearings’ premium silver based tri-metal material for race applications, capable of withstanding 17,000 PSI. This makes it well-suited for Diesel Performance and Sprint Cars. GPC made with polymer coating plays a crucial role in safeguarding the bearings, in scenarios involving oil starvation and metal-to-metal contact. GPC Bearings are commonly used for Diesel Performance & Sprint Cars, which operate under extreme load and long duration. The silver-based composite & polymer coating plays a crucial role in safeguarding the bearings in oil starvation and metal-to-metal contact scenarios.
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