BMW Internal Engine Parts for BMW Z Series E85/6 (2003-2008)

Clear BMW chassis

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.

Sub-Categories

Sort By:

Head Bolt Set - S54 - E46 M3, MZ3 S54, Z4 M

T#:25748

Part#: 11127831862

In Stock at Vendor

$ 51.98 USD

Add to Wish List

Qty

$ 51.98 USD

Add to Wish List

Head Bolt Set for the S54 engine.

If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW Z3 M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

Show More Show Less

OEM Rein Camshaft / Crankshaft Sensor O-Ring - Multiple BMWs ...

Cam sensor - intake or exhaust side

2X Entries Into Our F80 M3 Sweepstakes

T#:12463

Part#: 12141748398

Ships in 1 Business Day

Sale - Save 48% $ 4.99

This product was last offered at the strikethrough price on
06-29-2026

$ 2.61 USD

Add to Wish List

Qty

Sale - Save 48%

$ 4.99

This product was last offered at the strikethrough price on
06-29-2026

$ 2.61 USD

Add to Wish List

This is the o-ring used for most BMW camshaft sensors and crankshaft sensors. Although most sensors that we sell come with this o-ring at no charge, they may be the source of oil or fluid leaks.

Piston Ring - Priced Per Piston | BMW M54 3.0L Engine

2X Entries Into Our F80 M3 Sweepstakes

T#:591606

Part#: 11257506252

Ships in 3 Business Days

Sale - Save 5% $ 48.99

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

$ 46.54 USD

Add to Wish List

Qty

Sale - Save 5%

$ 48.99

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

$ 46.54 USD

Add to Wish List

Piston Ring - Priced Per Piston | BMW M54 3.0L Engine is a vital component in maintaining proper compression and oil control in BMW M54 3.0L engines. Over time, piston rings experience wear from continuous movement within the cylinder bore, leading to decreased engine efficiency. Worn or damaged rings can result in excessive oil consumption, reduced performance, and visible black or blue smoke from the exhaust. Ideal for engine rebuilds, this high-quality replacement ensures optimal sealing and longevity.