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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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TIMING CHAIN WITH TENSION RAIL

10X Entries Into Our F80 M3 Sweepstakes

T#:57231560

Part#: 11318658027

In Stock

Sale - Save 15% $ 109.99

This product was last offered at the strikethrough price on
09-16-2026

$ 93.49 USD

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Sale - Save 15%

$ 109.99

This product was last offered at the strikethrough price on
09-16-2026

$ 93.49 USD

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Exhaust Valve - Priced Each

T#:54388348

Part#: 11347513024

Ships in 2 Business Days

$ 23.99

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

$ 20.99 USD

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$ 20.99 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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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

$ 13.99 USD

Limited Qty Sale

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$ 20.53

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

$ 13.99 USD

Limited Qty Sale

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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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Kelford Camshaft Set - Stage 2 - Gen 2 B58

T#:59001757

Part#: KEL-258-B

Ships in 4 Business Days

$ 1,399.99 USD

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$ 1,399.99 USD

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285°/280° - 10.30mm/10.60mm Valve Lift

Valve Spring Kit - G80 G82 G87 S58

T#:59001763

Part#: KEL-KVS58-BT

Ships in 4 Business Days

$ 599.99 USD

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$ 599.99 USD

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High Performance Valve Springs

Intake Hydraulic Tappet - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:56797117

Part#: 11337548690

Ships on Dec 15, 2026

Sale - Save 10% $ 10.99

This product was last offered at the strikethrough price on
10-08-2026

$ 9.89 USD

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Sale - Save 10%

$ 10.99

This product was last offered at the strikethrough price on
10-08-2026

$ 9.89 USD

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Rocker Arm - Set Of 8

10X Entries Into Our F80 M3 Sweepstakes

T#:56507832

Part#: 11337559797

Ships on Dec 15, 2026

Sale - Save 10% $ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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Sale - Save 10%

$ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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Valve Stem Seal Kit - Set Of 16

10X Entries Into Our F80 M3 Sweepstakes

T#:59514198

Part#: 11340033950KT

Ships on Mar 1, 2027

Sale - Save 11% $ 28.99

This product was last offered at the strikethrough price on
10-28-2026

$ 25.78 USD

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Sale - Save 11%

$ 28.99

This product was last offered at the strikethrough price on
10-28-2026

$ 25.78 USD

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Valve Stem Seal - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:59514197

Part#: 11340033950

Ships on Mar 1, 2027

Sale - Save 19% $ 1.99

This product was last offered at the strikethrough price on
10-28-2026

$ 1.61 USD

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Qty

Sale - Save 19%

$ 1.99

This product was last offered at the strikethrough price on
10-28-2026

$ 1.61 USD

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