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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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Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...

T#:580444

Part#: B8800139

Ships on Sep 1, 2026

Sale - Save 5% $ 203.99

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

$ 193.79 USD

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Sale - Save 5%

$ 203.99

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

$ 193.79 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.

Timing Chain - Upper

T#:17871154

Part#: 11311432177

In Stock

Sale - Save 20% $ 27.99

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

$ 22.39 USD

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Sale - Save 20%

$ 27.99

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

$ 22.39 USD

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Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...

T#:580412

Part#: B8800104

In Stock

Sale - Save 5% $ 147.99

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

$ 140.59 USD

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Sale - Save 5%

$ 147.99

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

$ 140.59 USD

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For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.

Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...

T#:580431

Part#: B8800124

Ships on Sep 1, 2026

Sale - Save 15% $ 178.99

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

$ 152.14 USD

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Sale - Save 15%

$ 178.99

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

$ 152.14 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.

Timing Component

T#:17871158

Part#: 11367583208

In Stock

Sale - Save 20% $ 199.99

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

$ 159.99 USD

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Sale - Save 20%

$ 199.99

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

$ 159.99 USD

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Bavarian Autosport Crankshaft Holding Tool - BMW

T#:580450

Part#: B8800145

In Stock

Sale - Save 15% $ 77.99

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

$ 66.29 USD

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Sale - Save 15%

$ 77.99

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

$ 66.29 USD

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Makes removal of crankshaft hub nut/bolt much easier. A must-have for replacing timing chains, oil pump chains, leaking crankshaft seals and more.

Bav Auto Crankshaft Pulley Holding Tool

T#:580404

Part#: B8800094

In Stock

Sale - Save 10% $ 180.99

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

$ 162.89 USD

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Sale - Save 10%

$ 180.99

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

$ 162.89 USD

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Bav Auto's Crankshaft Pulley Holding Tool enables you to remove your crankshaft nut/bolt with ease - we recommend this tool if you intend on replacing timing chains, oil pump chains, leaking crankshaft seals, etc.

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BMW N52 N54 Collar Screw

T#:17871157

Part#: 11367524954

In Stock

Sale - Save 20% $ 5.99

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

$ 4.79 USD

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Sale - Save 20%

$ 5.99

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

$ 4.79 USD

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Holds the camshaft gear to the camshaft, measures M10X1X94.

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 9 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 9 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 9 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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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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