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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, N55
Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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.
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52 and N54
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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
Bav Auto Crankshaft Pulley Holding Tool
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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
Bavarian Autosport Crankshaft Holding Tool - BMW
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 15%
$ 77.99

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

$ 66.29 USD
Free Shipping on orders $49 and up
Add to Wish List
Makes removal of crankshaft hub nut/bolt much easier. A must-have for replacing timing chains, oil pump chains, leaking crankshaft seals and more.

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