Home
Engine Parts
Internal Engine

BMW Internal Engine Parts for BMW F82 M4 S55 3.0L

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.

Sub-Categories

Sort By:

Eccentric Shaft Replacement Kit

T#:22789670

Part#: S55SHAFTRPCKT

Ships in 3 Business Days

$ 1,209.99

This product was last offered at the strikethrough price on
06-19-2026

$ 1,208.99 USD

Add to Wish List

Qty

$ 1,208.99 USD

Add to Wish List

Ensure the peak performance of your BMW N55 or S55 engine with Turner Motorsport's Eccentric Shaft Replacement Kit. This all-inclusive kit features essential components, including:

Camshaft
Eccentric Shaft Bearing
Valve Cover Gasket Set
Gasket

Designed for precision and durability, this kit guarantees optimal engine performance and longevity. Rely on Turner Motorsport for top-quality replacement parts that adhere to the highest standards.

Show More Show Less

BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set

T#:585258

Part#: 11247628034WPCKT

Ships on Aug 18, 2026

Sale - Save 3% $ 803.88

This product was last offered at the strikethrough price on
06-14-2026

$ 779.76 USD

Add to Wish List

Qty

Sale - Save 3%

$ 803.88

This product was last offered at the strikethrough price on
06-14-2026

$ 779.76 USD

Add to Wish List

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.

Show More Show Less

Eccentric Shaft Replacement Kit - N55/S55

T#:21735862

Part#: CAMGSKTN55S55KT

Ships in 3 Business Days

$ 1,209.99

This product was last offered at the strikethrough price on
06-19-2026

$ 1,208.99 USD

Add to Wish List

Qty

$ 1,208.99 USD

Add to Wish List

When it comes to optimizing the performance and longevity of your BMW N55 or S55 engine, few upgrades can rival the impact of replacing the camshaft, bearings, and gaskets. These essential components play a pivotal role in your engine's overall health and performance, and upgrading them can deliver a host of benefits, from increased power to enhanced reliability. In this article, we'll explore the advantages of investing in these critical upgrades for your BMW N55 or S55 engine. Improved Performance: Upgrading your BMW N55 or S55 engine with a new camshaft can significantly boost its performance. A high-quality camshaft can optimize valve timing, leading to improved airflow and combustion efficiency. This, in turn, results in increased horsepower and torque, providing you with a more exhilarating driving experience. If you're seeking that extra punch when you hit the gas pedal, a new camshaft is the way to go. Enhanced Durability: The camshaft, bearings, and gaskets are fundamental components of your engine's internal structure. Over time, wear and tear can cause these parts to degrade, potentially leading to catastrophic engine failure. By replacing these components with high-quality, performance-oriented alternatives, you're not only increasing horsepower but also reinforcing the engine's durability. This can help prevent costly breakdowns and extend the life of your BMW engine. Optimal Efficiency: Efficiency is a key factor in engine performance. Worn-out bearings and gaskets can lead to oil leaks and reduced engine efficiency. Replacing them ensures a tighter seal, minimizing oil leaks and maintaining the proper lubrication for all moving parts. This leads to better fuel efficiency and a smoother, more reliable engine operation, all while reducing maintenance costs in the long run. Increased Resale Value: Investing in high-quality components like camshafts, bearings, and gaskets not only enhances your driving experience but also adds value to your BMW. When it's time to sell or trade-in your vehicle, potential buyers or dealerships will recognize the value of these upgrades, making your car more desirable and potentially increasing its resale value. Kit for All N55/S55 Engines

Show More Show Less

Spline Lock Crank Hub Kit - S55

T#:1653160

Part#: S55CHUB1KT

Ships in 6 Business Days

$ 1,271.99 USD

Add to Wish List

Qty

$ 1,271.99 USD

Add to Wish List

Under certain conditions, the N55/S55 crank hub likes to spin, without warning and even when the engine is in perfect health. This kit includes every thing needed to prevent that issue from happening and gives you peace of mind.

Show More Show Less

WPC Treated Genuine BMW Bearings - Single Bearing

T#:585808

Part#: 11217849238WPCKT

In Stock

Sale - Save 29% $ 60.99

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

$ 43.08 USD

Add to Wish List

Qty

Sale - Save 29%

$ 60.99

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

$ 43.08 USD

Add to Wish List

OEM Ina Intake Hydraulic Tappet - BMW N52 N54 N55 N20 S55

We Price Match - Give Us A Call or Chat!

T#:591661

Part#: 11337548690

In Stock

$ 15.99 USD

Add to Wish List

Qty

$ 15.99 USD

Add to Wish List

Hydraulic valve lifter

WPC Treated Genuine BMW Bearings - Single Bearing

T#:585807

Part#: 11217849234WPC

In Stock

Sale - Save 35% $ 60.99

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

$ 39.63 USD

Add to Wish List

Qty

Sale - Save 35%

$ 60.99

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

$ 39.63 USD

Add to Wish List

WPC Treated Main Bearing Set

T#:13299340

Part#: 11217849234KT2

Ships on Aug 26, 2026

Sale - Save 5% $ 888.86

This product was last offered at the strikethrough price on
06-14-2026

$ 844.42 USD

Add to Wish List

Qty

Sale - Save 5%

$ 888.86

This product was last offered at the strikethrough price on
06-14-2026

$ 844.42 USD

Add to Wish List

Select Vehicle

Purpose

Category

Internal Engine

Brand

View All Brands

Price

Special Offers

On Sale (4)

Shipping