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BMW Internal Engine Parts

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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ARP Cylinder Head Stud Kit - Custom Age 625+ - BMW S63 4.4L

T#:51110152

Part#: 201-4703

Ships in 8 Business Days

$ 1,099.99 USD

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$ 1,099.99 USD

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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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Rod Bearing Set - Standard (48.00 Mm)

T#:55821723

Part#: 11241715701

Ships in 2 Business Days

$ 151.99 USD

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$ 151.99 USD

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Camshaft - Inlet Side 647107 - Priced Each

T#:54388484

Part#: 11317587756

Ships on Sep 8, 2026

$ 216.99 USD

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$ 216.99 USD

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Ready to extract more power and optimize your valve timing? This replacement intake camshaft is engineered for dual-overhead-cam (DOHC) cylinder heads, delivering the precise lift and duration needed to keep your engine breathing efficiently at higher RPMs.

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Intake Valve - Priced Each

T#:54388474

Part#: 11347513023

In Stock

$ 20.53

This product was last offered at the strikethrough price on
07-23-2026

$ 15.99 USD

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$ 15.99 USD

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A weak or worn intake valve causes lost compression, erratic idle, and drops in top-end power. When it's time to refresh your cylinder head for reliability on the street or the circuit, this Corteco intake valve is up to the task.

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Exhaust Valve - Priced Each

T#:54388348

Part#: 11347513024

Ships in 1 Business Day

$ 23.99

This product was last offered at the strikethrough price on
08-07-2026

$ 19.99 USD

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$ 19.99 USD

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On the street or at the track, your engine’s top end takes a beating. If you are rebuilding a cylinder head due to high mileage, overheating, or a mechanical overrev, you need valves that can handle the heat. This Corteco Exhaust Valve is the exact OEM replacement you need to guarantee factory-level sealing and long-term durability under demanding conditions.

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Main Bearing Set (Standard)

T#:55857747

Part#: 11211725917

Ships in 2 Business Days

$ 90.99

This product was last offered at the strikethrough price on
07-15-2026

$ 85.99 USD

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$ 85.99 USD

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SuperTech Dual Valve Spring Upgrade Kit w/ Steel Retainers - 67lbs - ...

T#:51426477

Part#: SPRKH100DRBMST

In Stock at Vendor

$ 833.99 USD

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$ 833.99 USD

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Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional performance and durability even at high RPMs. CAD engineering ensures that the wire stress levels remain within defined limits for long-lasting durability, even under extreme racing conditions. Advanced computer software allows Supertech to meticulously control harmonics, ensuring optimal performance. Manufactured with high-quality military-certified Steel, the retainers are CNC machined to provide a precise fit, guaranteeing longevity and reliability.

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Titanium Retainers - Set Of 8 - BMW B48 - Intake Side

T#:54388410

Part#: RET-BMB48-TI-8

Ships in 8 Business Days

$ 145.99 USD

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$ 145.99 USD

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By minimizing moving weight, these retainers help prevent valve float at extended RPM ranges, ensuring your engine maintains precise timing and peak power delivery under the most demanding track conditions.

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Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)

T#:54388512

Part#: MCIVN-1008T-8

Ships in 8 Business Days

$ 225.99 USD

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$ 225.99 USD

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Supertech Performance brings decades of racing experience to their valvetrain components. By utilizing state-of-the-art manufacturing processes and rigorous testing, these valves provide the perfect balance of lightweight design, high-flow geometry, and bulletproof durability needed for forced induction, nitrous, or high-revving naturally aspirated builds.

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Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L

T#:57086686

Part#: CRBMB58-I148.3-6

Ships in 8 Business Days

$ 1,864.99 USD

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$ 1,864.99 USD

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Supertech connecting rods for BMW B58B30 applications are designed for racing reliability and high-RPM use, rated for up to 1600 hp. Forged and machined from premium high-strength alloy with ARP fasteners included.

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ARP2000 12PT HSK - S63

T#:54104152

Part#: 201-4702

Ships on Sep 1, 2026

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

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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

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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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ARP Cylinder Head Stud Kit - ARP2000 - BMW S58 3.0L

T#:51110148

Part#: 201-4705

In Stock at Vendor

20% off MSRP $ 467.99

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

$ 373.99 USD

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20% off MSRP

$ 467.99

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

$ 373.99 USD

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For engine builders crafting a high-performance powerhouse, the ARP Cylinder Head Stud Kit is the industry-standard choice for reliability and strength. Each kit features studs, nuts, and washers manufactured from ARP’s proprietary ARP2000 alloy, a material rated far superior to standard aircraft-quality steels.

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5mm Single groove valve lock conversion (SET OF 16)

T#:51356057

Part#: KPR-5.0-7S-16

Ships on Sep 4, 2026

$ 60.99 USD

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$ 60.99 USD

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VVT Actuator Solenoid

T#:56507834

Part#: 11378652738

Special Order: No Guaranteed ETA

$ 356.99 USD

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$ 356.99 USD

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This Febi Bilstein VVT Actuator Solenoid delivers the accurate, fast valve timing required to keep modern platforms performing at their full potential.

Variable Valve Timing Sprocket

T#:56291040

Part#: 11367522288

Special Order: No Guaranteed ETA

$ 142.99 USD

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$ 142.99 USD

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Keep your BMW’s VANOS system functioning at its peak with this Febi Bilstein Intake Camshaft Adjuster.

Non Return Valve For Engine Oil Circulation

T#:56291055

Part#: 11367529405

Special Order: No Guaranteed ETA

$ 36.99 USD

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$ 36.99 USD

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This Febi Bilstein Cylinder Head Oil Check Valve (Non-Return Valve) is designed to keep oil right where it belongs.

Variable Valve Timing Sprocket

T#:56001961

Part#: 11367540348

Special Order: No Guaranteed ETA

$ 163.99 USD

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$ 163.99 USD

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Don't let a tired factory gear degrade your performance—get your engine timing back to absolute precision.

Camshaft Adjuster Magnet

T#:56218576

Part#: 11367593719

Special Order: No Guaranteed ETA

$ 34.99 USD

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$ 34.99 USD

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The Febi Bilstein Camshaft Adjuster Magnet delivers the high-speed actuation required to keep your dynamic valve timing operating accurately under demanding driving conditions.

Camshaft O-Ring - Priced Each RECTANGRING

T#:53396913

Part#: 11317587757

Special Order: No Guaranteed ETA

$ 4.99 USD

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$ 4.99 USD

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Crankshaft Position Sensor

T#:56254756

Part#: 13627809334

Special Order: No Guaranteed ETA

$ 46.99 USD

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$ 46.99 USD

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Maintain the crisp throttle response and reliable performance of your BMW with this Febi Bilstein Crankshaft Position Sensor.

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