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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...

10X Entries Into Our F80 M3 Sweepstakes

T#:580444

Part#: B8800139

In Stock

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.

OEM Head Bolt Set - M50 M52 S50 S52

T#:1551

Part#: 11121721938

In Stock

Sale - Save 66% $ 62.21

This product was last offered at the strikethrough price on
05-14-2026

$ 20.94 USD

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Sale - Save 66%

$ 62.21

This product was last offered at the strikethrough price on
05-14-2026

$ 20.94 USD

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Head Bolt Set for all M50 engines with a steel engine block.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1998-2000 Z3 BMW M Roadster M Roadster

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

10X Entries Into Our F80 M3 Sweepstakes

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 Crankshaft Pulley Holding Tool

10X Entries Into Our F80 M3 Sweepstakes

T#:580404

Part#: B8800094

Ships on Dec 29, 2026

Sale - Save 8% $ 180.99

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

$ 166.49 USD

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Sale - Save 8%

$ 180.99

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

$ 166.49 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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Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580431

Part#: B8800124

In Stock

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.

Bavarian Autosport Crankshaft Holding Tool - BMW

10X Entries Into Our F80 M3 Sweepstakes

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.

N55/S55 37cc Platinum Series Dish Extreme Duty Piston Set - 84.5mm Bo...

T#:17073606

Part#: 647005CE-6

In Stock

Sale - Save 27% $ 1,309.99

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

$ 950.00 USD

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Sale - Save 27%

$ 1,309.99

This product was last offered at the strikethrough price on
06-26-2026

$ 950.00 USD

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SPA Performance High Performance Camshaft Set - 264� / 248� - BMW...

T#:44563338

Part#: EVCVSB02

Ships in 8 Business Days

Sale - Save 5% $ 1,049.99

This product was last offered at the strikethrough price on
08-31-2026

$ 997.41 USD

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$ 1,049.99

This product was last offered at the strikethrough price on
08-31-2026

$ 997.41 USD

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If you are building an M54 engine for the best possible performance, SPA Performance's 264° / 248° High Performance Camshaft Set may be just what you need! Performance camshafts allow for greater valve lift and increased lift duration, enabling your engine to breathe easier and faster, increasing the amount of fresh air entering the cylinders while allowing more of the exhaust gases to fully exit the cylinders.

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Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU) ...

T#:1617

Part#: 11341739820

Back Ordered

Sale - Save 27% $ 15.99

This product was last offered at the strikethrough price on
05-14-2026

$ 11.72 USD

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Sale - Save 27%

$ 15.99

This product was last offered at the strikethrough price on
05-14-2026

$ 11.72 USD

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Replacement intake valve in the stock size. Fits all VAN0S versions of the M50/M52/M52TU, including 1993-2000 323, 325, 328 and the E36 M3 3.0/3.2. Also fits E39 528 and Z3 2.3, Z3 2.8, MZ3 (S52 3.2), M Roadster, M Coupe.

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