BMW Internal Engine Parts for BMW F80 M3 S55 3.0L

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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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OEM Kolbenschmidt Eccentric Shaft - BMW N55 S55 3.0L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:31092508

Part#: 11377589883

Ships on Jul 29, 2026

$ 925.99

This product was last offered at the strikethrough price on
03-23-2026

$ 676.99 USD

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$ 676.99 USD

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The eccentric shaft is an important component of BMW's Valvetronic system, a form of variable valve lift control. If the teeth on the gear or the lobes have worn out, this can result in improper valve lift, decreased or abnormal performance, and even damage to cylinder head components. Replace your eccentric shaft with this high-quality part from OEM Kolbenschmidt to restore performance and eliminate valve lift issues without the marked-up price of a Genuine BMW eccentric shaft.

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Eccentric Shaft Replacement Kit

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:22789670

Part#: S55SHAFTRPCKT

Ships in 1-2 days

$ 1,209.99

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

$ 1,208.99 USD

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$ 1,208.99 USD

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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.

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Eccentric Shaft Replacement Kit - N55/S55

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:21735862

Part#: CAMGSKTN55S55KT

Ships in 1-2 days

$ 1,209.99

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

$ 1,208.99 USD

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$ 1,208.99 USD

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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

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Spline Lock Crank Hub Kit - S55

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T#:1653160

Part#: S55CHUB1KT

Ships in 7 Business Days

$ 1,271.99 USD

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$ 1,271.99 USD

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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.

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OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:31092510

Part#: 11367583208

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

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$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the exhaust camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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BMW Internal Engine Parts for BMW F80 M3 S55 3.0L

Sub-Categories

OEM Kolbenschmidt Eccentric Shaft - BMW N55 S55 3.0L

Eccentric Shaft Replacement Kit

Eccentric Shaft Replacement Kit - N55/S55

Spline Lock Crank Hub Kit - S55

OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

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