BMW Internal Engine Parts for BMW 3 Series E91 (2006-2012)

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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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Turner Motorsport - Corporate Logo
T#:34147756
Part#: N5X-WPC-RB
In Stock
Sale - Save 25% $ 498.99
$ 374.24 USD
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Sale - Save 25% $ 498.99
$ 374.24 USD
Free Shipping on orders $49 and up

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or rod bearing service!

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Turner Motorsport - Corporate Logo
T#:34147790
Part#: N5X-WPC-MB
In Stock
Sale - Save 40% $ 595.99
$ 357.59 USD
Free Shipping on orders $49 and up
Sale - Save 40% $ 595.99
$ 357.59 USD
Free Shipping on orders $49 and up

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or main bearing service!

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King - Corporate Logo
T#:598331
Part#: CR222SV
In Stock
$ 52.00 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 BMW Engines come in sets of 2 (2 Upper and 2 Lower Bearing Shells) Suitable for 2 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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ACL - Corporate Logo
T#:567606
Part#: 6B1584H-STD
In Stock
$ 179.99 USD
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$ 179.99 USD
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Introducing the BMW N52, N54, N55, and S55 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N52, N54, N55, and S55 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

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Bav Auto Tools - Corporate Logo
T#:580444
Part#: B8800139
In Stock
Sale - Save 3% $ 199.99
$ 193.99 USD
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Sale - Save 3% $ 199.99
$ 193.99 USD
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Used in removal and installation of the front crankshaft seal on BMW N55 engines, a common job that you can save yourself a ton of money doing at home.
King - Corporate Logo
T#:3929159
Part#: CR222SV0.5
In Stock
$ 52.00 USD
Free Shipping on orders $49 and up

BMW N20 N52 N54 N55 S55 Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized is designed to elevate your engine’s performance and reliability. Developed with high-performance driving in mind, this connecting rod bearing set from Turner Motorsport offers superior durability and support. Each set includes 2 upper and 2 lower bearing shells, crafted from a lead-free, silver-based tri-metal material that is specifically engineered for extreme load applications. These bearings are meticulously designed to meet exact standards, ensuring optimal fitment and compatibility with your BMW engine, resulting in smoother and more reliable operation.

  • Enhanced Engine Performance: Provides superior support and stability for high-performance driving.
  • Durable Construction: Lead-free, silver-based tri-metal material designed for extreme loads.
  • Precise Fitment: Engineered to exact standards for compatibility with BMW N20, N52, N54, N55, and S55 engines.
  • Improved Reliability: Ensures smoother engine operation and reduced wear over time.
  • Complete Set: Includes 2 upper and 2 lower bearing shells for 2 connecting rods.
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King - Corporate Logo
T#:25706094
Part#: CR222GPC
In Stock
$ 96.99 USD
Free Shipping on orders $49 and up
$ 96.99 USD
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King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. This kit includes a full set of bearing shells!
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Bav Auto Tools - Corporate Logo
T#:580412
Part#: B8800104
In Stock
Sale - Save 3% $ 144.99
$ 140.64 USD
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Sale - Save 3% $ 144.99
$ 140.64 USD
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For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.

King - Corporate Logo
T#:597151
Part#: CR222SV0.25
In Stock
$ 52.00 USD
Free Shipping on orders $49 and up

BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Oversized provides an exceptional upgrade for enhancing engine performance and reliability. Crafted by King, these bearings are engineered to withstand the rigorous demands of high-performance driving.

  • Premium Quality Construction: Made from lead-free, silver-based tri-metal material, offering superior durability and load-bearing capabilities.
  • 0.25mm Oversized Design: Features an oversized specification to accommodate slight engine wear and ensure a precise fit for optimal performance.
  • Enhanced Engine Stability: Provides exceptional support and stability to the connecting rods, reducing wear and extending engine life.
  • Precision Engineering: Designed to meet exacting standards, ensuring perfect compatibility with BMW N20, N52, N54, and N55 engines.
  • Improved Engine Operation: Delivers smoother and more efficient engine performance, enhancing the overall driving experience.

Turner Motorsport's BMW N20 N52 N54 N55 Connecting Rod Bearing Set of 2 Pairs - 0.25mm Oversized is ideal for those seeking high-quality components to boost engine reliability and performance.

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King - Corporate Logo
T#:597154
Part#: MB7776SI0.25
In Stock
$ 118.99 USD
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$ 118.99 USD
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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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Bav Auto Tools - Corporate Logo
T#:580431
Part#: B8800124
In Stock
Sale - Save 36% $ 174.99
$ 112.54 USD
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Sale - Save 36% $ 174.99
$ 112.54 USD
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For installation and removal of pressure springs on intermediate levers of valve train. Ensures quick, easy and safe handling of these high force springs.


Condor Speed Shop - Corporate Logo
T#:34784500
Part#: N52OILPANBAF
Ships in 3 Business Days
$ 89.99 USD
$ 89.99 USD
The N52 Oil Pan Baffle Kit - E9x is the ultimate solution for BMW E9x series owners looking to improve oil control and protect their engine under high-performance driving conditions. This specially engineered baffle kit, designed for BMW models featuring the N52 engine, is ideal for reducing oil slosh and preventing oil starvation during aggressive driving. Manufactured by Condor Speed Shop, this baffle kit ensures that oil stays where it’s needed most, providing consistent lubrication even under extreme cornering forces. Benefits: • Enhanced Oil Control: Minimizes oil movement to maintain stable oil pressure during rapid acceleration, cornering, and braking. • Superior Engine Protection: Reduces the risk of oil starvation and protects vital engine components, particularly in performance or track conditions. • Track-Optimized Design: Built for E9x BMW models with the N52 engine, ideal for both street and track use. • Durable Construction: Crafted from robust materials that can endure high temperatures and provide long-lasting durability. • Simple Installation: Precision-fit design for the BMW E9x series makes the installation process straightforward and hassle-free. Whether you're a performance driver or simply want to safeguard your engine from potential damage, the N52 Oil Pan Baffle Kit - E9x by Condor Speed Shop is a top choice for enhancing engine reliability and longevity.
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King - Corporate Logo
T#:25706104
Part#: MB7776SI0.5
In Stock
$ 106.99 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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BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set
10X Entries For Our Spin To Win Sweepstakes!
ECS - Corporate Logo
T#:585258
Part#: 11247628034WPCKT
Ships Jul 3, 2025
Sale - Save 1% $ 755.88
$ 747.86 USD
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Sale - Save 1% $ 755.88
$ 747.86 USD
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BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set

Ensure optimal engine performance with the BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set. This genuine BMW rod bearing set, treated with WPC technology, is specifically designed for BMW N54 and N55 engines, providing several benefits for engine longevity and reliability. Engineered with precision and quality in mind, it offers:

  • Enhanced durability and wear resistance for extended engine life
  • Reduced friction and heat buildup for improved engine performance
  • WPC treatment for superior lubrication and protection against metal-to-metal contact
  • Genuine BMW quality and reliability for peace of mind

Upgrade your BMW N54 or N55 engine with this high-quality rod bearing set for enhanced performance and longevity.

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Schrick - Corporate Logo
T#:26904914
Part#: SCH-N52-238/272
Special Order: No Guaranteed ETA
$ 1,749.99 USD
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ACL - Corporate Logo
T#:637190
Part#: 6B1584H-.025
Special Order: No Guaranteed ETA
$ 208.99 USD
Free Shipping
$ 208.99 USD
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Upgraded Bearing Shells for you N55/N54/S55B30!
Bavarian Autosport - Corporate Logo
T#:639826
Part#: 13627525015
Special Order: No Guaranteed ETA
$ 42.99 USD
Free Shipping on orders $49 and up
This crankshaft position sensor provides the ECU with the engine speed signal. It is mounted in either the engine block or the bell housing of the transmission on most cars. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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Bavarian Autosport - Corporate Logo
T#:17871157
Part#: 11367524954
In Stock
Sale - Save 25% $ 7.99
$ 5.99 USD
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Sale - Save 25% $ 7.99
$ 5.99 USD
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Holds the camshaft gear to the camshaft, measures M10X1X94.
WPC Treated Cam Bearing Ledge - Exhaust - BMW N52 2.0L N54 N55 3.0L ...
For vehicles with production date from 03/2006
10X Entries For Our Spin To Win Sweepstakes!
ECS - Corporate Logo
T#:585946
Part#: 11127531224WPC
In Stock
$ 880.99 USD
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$ 880.99 USD
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A common issue on N54 motors is cam bearing ledge scoring due to lack of lubrication, and if left unattended can cause damage to the camshaft and increase oil consumption. These WPC-treated cam bearing ledges help prevent lubrication issues to ensure no scoring occurs on the bearing ledge or camshaft. What is WPC, you ask? WPC is a surface treatment that reduces friction and adds strength - two improvements that benefit internal engine components. Ultra-fine particles are fired at the surface at very high speeds, like shot-peening - but much, much smaller. The parts come out smoother and stronger due to thermal discharge. The two largest enemies of any high-performance engine are heat and friction - and WPC has found a way to reduce both.
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Bavarian Autosport - Corporate Logo
T#:17871158
Part#: 11367583208
In Stock
Sale - Save 28% $ 195.99
$ 141.09 USD
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Sale - Save 28% $ 195.99
$ 141.09 USD
Free Shipping on orders $49 and up

ARP - Corporate Logo
T#:338571
Part#: TMS1733
In Stock
Starting at $ 1.99 USD
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Starting at $ 1.99 USD
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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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