BMW Internal Engine Parts for BMW 3 Series E46 (1999-2005)

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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 Pulley Holding Tool
For Dual-VANOS "TU" Engines Only
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bav Auto Tools - Corporate Logo
T#:580404
Part#: B8800094
Ships on Jan 29, 2027
Sale - Save 10% $ 184.99

This product was last offered at the strikethrough price on
11-07-2026

$ 166.49 USD
Free Shipping
Sale - Save 10%
$ 184.99

This product was last offered at the strikethrough price on
11-07-2026

$ 166.49 USD
Free Shipping
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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Bavarian Autosport Crankshaft Holding Tool - BMW
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bav Auto Tools - Corporate Logo
T#:580450
Part#: B8800145
In Stock
Sale - Save 20% $ 79.99

This product was last offered at the strikethrough price on
11-07-2026

$ 63.99 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 79.99

This product was last offered at the strikethrough price on
11-07-2026

$ 63.99 USD
Free Shipping on orders $49 and up
Makes removal of crankshaft hub nut/bolt much easier. A must-have for replacing timing chains, oil pump chains, leaking crankshaft seals and more.
Cat Cams - Corporate Logo
T#:4414885
Part#: 1301805KIT
Special Order: No Guaranteed ETA
$ 4,372.99 USD
Free Shipping
$ 4,372.99 USD
Free Shipping
Made in Belgium, Cat Cams offer great performance at a reasonable price. Cat Cam offers cams in most popular enthusiast upgrade specs to ensure there is a option for what ever your power goal is. The included rocker arm kit consist of: - 24x "CAT031" rocker arm, steel billet, coated - 1x oil connector bridge - rocker arms with 0.5mm oil jet hole towards the cam/follower contact area - rocker arm shafts need to be drilled at each rocker arm (in the groove already present) - rocker arm shafts need to be drilled at oil bridge connector (no need to make extra groove, connector has internal groove) - intake rocker arm shaft needs front plug to close - intake rocker arm shaft has no oil feed so an oil bridge is required to connect the intake/exhaust rocker arm shafts *Please note that the factory cams ave a pressure regulator valve that needs to be removed and installed in the new cams*
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Cat Cams - Corporate Logo
T#:578587
Part#: 1304406
Special Order: No Guaranteed ETA
$ 1,642.99 USD
Free Shipping
$ 1,642.99 USD
Free Shipping
Made in Belgium, Cat Cams offer great performance at a reasonable price. Cat Cam offers cams in most popular enthusiast upgrade specs to ensure there is a option for what ever your power goal is.

Cat Cams - Corporate Logo
T#:578586
Part#: 1304405
Special Order: No Guaranteed ETA
$ 1,642.99 USD
Free Shipping
$ 1,642.99 USD
Free Shipping
Made in Belgium, Cat Cams offer great performance at a reasonable price. Cat Cam offers cams in most popular enthusiast upgrade specs to ensure there is a option for what ever your power goal is.
Cat Cams - Corporate Logo
T#:25838979
Part#: 1304402
Special Order: No Guaranteed ETA
$ 1,642.99 USD
Free Shipping on orders $49 and up