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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Piston Ring Set - Priced Each - M50 M52 Engines
Piston Ring Set - Priced Each - M50 M52 Engines
Mahle - Corporate Logo
T#:598529
Part#: 11251437077
In Stock
$ 38.99

This product was last offered at the strikethrough price on
10-27-2026

$ 34.99 USD
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$ 34.99 USD
Free Shipping on orders $49 and up
Add to Wish List

Ensure optimal engine performance in your BMW M50 M52 Engines with Turner Motorsport's Mahle Piston Ring Set. Over time, worn piston rings can lead to power loss, increased oil consumption, and white smoke from the tailpipe. When rebuilding your BMW's engine, replacing the piston rings is essential for restoring power and efficiency. Each set is priced individually, with six sets required for complete engine overhaul.

Key Benefits:

  • Restores engine power and efficiency
  • Reduces oil consumption
  • Prevents white smoke from the tailpipe
  • Compatible with M50 M52 Engines
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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:640145
Part#: 12147518628
Ships on Dec 16, 2026
Sale - Save 20% $ 32.99

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

$ 26.39 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 20%
$ 32.99

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

$ 26.39 USD
Free Shipping on orders $49 and up
Add to Wish List
A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivability issues
Oil Pump Chain
Oil Pump Chain
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:26271802
Part#: 11417576915
In Stock
Sale - Save 30% $ 18.99

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

$ 13.29 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 30%
$ 18.99

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

$ 13.29 USD
Free Shipping on orders $49 and up
Add to Wish List

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