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

Clear BMW chassis

Please ensure your correct model is selected

Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

Sub-Categories

Sort By:

Rein - Corporate Logo
T#:53750207
Part#: PKP0124
In Stock
New Item
$ 41.99 USD
Free Shipping on orders $49 and up
$ 41.99 USD
Free Shipping on orders $49 and up
Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein
URO Parts Non-Return Valve - 11611312737 - E36, E46, E34, E39, E24, E...
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:56977985
Part#: 11611312737
In Stock
New Item
$ 12.99 USD
Free Shipping on orders $49 and up
Keep your BMW's vacuum and secondary air injection systems operating with complete efficiency under all driving conditions using this URO Parts non-return valve
URO Parts M54 Valve Cover Gasket - 11127521009 - E46 325i 325Ci ...
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:55821695
Part#: 11127521009
In Stock
New Item
$ 48.99 USD
Free Shipping on orders $49 and up

Variable Valve Timing (VVT) Solenoid
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
URO - Corporate Logo
T#:55749600
Part#: URO-023712
Ships in 2 Business Days
New Item
$ 71.99 USD
Free Shipping on orders $49 and up
Proper camshaft timing control is critical to maintaining a broad powerband, crisp throttle response, and peak engine efficiency. When the factory variable valve timing solenoid begins to degrade, oil pressure delivery to the cam adjusters becomes lazy
Show More Show Less

SEG Automotive - Corporate Logo
T#:54851980
Part#: 12317519618
Ships on Dec 7, 2026
New Item
$ 503.99

This product was last offered at the strikethrough price on
07-16-2026

$ 500.99 USD
Free Shipping on orders $49 and up
$ 500.99 USD
Free Shipping on orders $49 and up
SEG Automotive - Corporate Logo
T#:54851984
Part#: 12317541694
Ships in 2 Business Days
New Item
$ 521.99

This product was last offered at the strikethrough price on
07-16-2026

$ 470.99 USD
Free Shipping on orders $49 and up
$ 470.99 USD
Free Shipping on orders $49 and up

Rein - Corporate Logo
T#:60102635
Part#: 07119900052
Ships in 4 Business Days
New Item
$ 1.99 USD
$ 1.99 USD
Febi - Corporate Logo
T#:57543712
Part#: 07129904150
Ships in 7 Business Days
New Item
$ 5.99 USD
Free Shipping on orders $49 and up
This Febi Bilstein 5-piece fastener set offers genuine OEM-level durability and precision tolerance to ensure your vehicle stays tightly bolted together.

SEG Automotive - Corporate Logo
T#:58965210
Part#: 0124.515.052
Ships on Dec 7, 2026
New Item
$ 485.99 USD
Free Shipping on orders $49 and up
A strong charging system keeps everything from your ignition to your stereo working at its best, and a failing alternator can undermine all of it.

SEG Automotive - Corporate Logo
T#:58965213
Part#: 0124.525.523
Ships on Dec 7, 2026
New Item
$ 495.99 USD
Free Shipping on orders $49 and up
Your BMW's charging system powers everything from ignition to infotainment, so a weak alternator affects the whole car.
SEG Automotive - Corporate Logo
T#:58965212
Part#: 0124.525.561
Ships on Dec 7, 2026
New Item
$ 487.99 USD
Free Shipping on orders $49 and up
SEG Automotive, the company behind Bosch's starter motor and generator business, builds this brand-new 150-amp alternator with a freewheel pulley that smooths out belt loads for a quieter, longer-lasting accessory drive.
Show More Show Less
Febi - Corporate Logo
T#:56507847
Part#: 12141709616
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
Free Shipping on orders $49 and up
Keep your BMW’s engine management system operating at peak performance with this replacement crankshaft position sensor from Febi Bilstein.


Febi - Corporate Logo
T#:56544002
Part#: 12317501690
Special Order: No Guaranteed ETA
New Item
$ 245.99 USD
Free Shipping on orders $49 and up
Trust Febi Bilstein for clean power output and dependable performance every time you start your engine.
Febi - Corporate Logo
T#:54816249
Part#: 64538375742
Special Order: No Guaranteed ETA
New Item
$ 0.99 USD
Free Shipping on orders $49 and up
Heavy-duty track-day grade green O-ring keeps BMW A/C systems sealed.
Febi - Corporate Logo
T#:56254778
Part#: 11781743994
Special Order: No Guaranteed ETA
New Item
$ 62.99 USD
Free Shipping on orders $49 and up
This Febi Bilstein Oxygen Sensor provides a high-quality OEM replacement option built to precise vehicle specifications.

Febi - Corporate Logo
T#:55821709
Part#: 51127070202
Special Order: No Guaranteed ETA
New Item
$ 1.99 USD
Free Shipping on orders $49 and up
This Febi-manufactured M6 C-Clip Nut is the exact direct-replacement fastener needed to keep your BMW or MINI's bodywork properly secured.

Febi - Corporate Logo
T#:56724716
Part#: 12412354693
Special Order: No Guaranteed ETA
New Item
$ 147.99 USD
Free Shipping on orders $49 and up
This Febi Bilstein starter motor delivers the cranking performance your BMW needs for instant ignition response every time you turn the key.