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

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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.

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Hydraulic Alternator Belt Tensioner Assembly
Hydraulic Alternator Belt Tensioner Assembly
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:55030822
Part#: 11287838797
In Stock
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Sale - Save 20% $ 59.99

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

$ 47.99 USD
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$ 59.99

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

$ 47.99 USD
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Rein M52 M54 Power Steering Pump Pulley - PKP0124 - E36, E46, E39, E53
Rein M52 M54 Power Steering Pump Pulley - PKP0124 - E36, E46, E39, E5...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750207
Part#: PKP0124
In Stock
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$ 41.99 USD
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$ 41.99 USD
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Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein
SEG Automotive Alternator - SEG Automotive 0124.525.588 - 12317541694 - E46 325i 325Ci 330Ci, E60 525i 530i, E83 X3
SEG Automotive Alternator - SEG Automotive 0124.525.588 - 12317541694...
SEG Automotive - Corporate Logo
T#:54851984
Part#: 12317541694
Ships in 1 Business Day
New Item
$ 521.99

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

$ 470.99 USD
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$ 470.99 USD
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SEG Automotive Alternator - SEG Automotive 0124.515.223 - 12317519618 - E46
SEG Automotive Alternator - SEG Automotive 0124.515.223 - 12317519618...
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
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$ 500.99 USD
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Sheet Metal Nut - Set Of 5
Sheet Metal Nut - Set Of 5
Febi - Corporate Logo
T#:57543712
Part#: 07129904150
Ships in 6 Business Days
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$ 5.99 USD
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$ 5.99 USD
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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 New 150A Alternator - 0124.525.561 - E21, E30, E36, E46, E9x, E8x, E60
SEG Automotive New 150A Alternator - 0124.525.561 - E21, E30, E36, E4...
SEG Automotive - Corporate Logo
T#:58965212
Part#: 0124.525.561
Ships on Dec 7, 2026
New Item
$ 487.99 USD
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$ 487.99 USD
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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.
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SEG Automotive New 120A Alternator - 0124.515.052 - E46, E39 525i 530i, E53 X5
SEG Automotive New 120A Alternator - 0124.515.052 - E46, E39 525i 530...
SEG Automotive - Corporate Logo
T#:58965210
Part#: 0124.515.052
Ships on Dec 7, 2026
New Item
$ 485.99 USD
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$ 485.99 USD
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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 New Alternator - 0124.525.523 - E46 325i 325Ci 330Ci, E60 525i 530i, E83 X3
SEG Automotive New Alternator - 0124.525.523 - E46 325i 325Ci 330Ci, ...
SEG Automotive - Corporate Logo
T#:58965213
Part#: 0124.525.523
Ships on Dec 7, 2026
New Item
$ 495.99 USD
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$ 495.99 USD
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Your BMW's charging system powers everything from ignition to infotainment, so a weak alternator affects the whole car.
Starter Motor
Starter Motor
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:55030826
Part#: 12412354693
Ships on Dec 15, 2026
New Item
Sale - Save 10% $ 129.99

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

$ 116.99 USD
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Sale - Save 10%
$ 129.99

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

$ 116.99 USD
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Oxygen Sensor - Front Or Rear Manifold
Oxygen Sensor - Front Or Rear Manifold
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:56797107
Part#: 11787523434
Ships on Dec 15, 2026
New Item
Sale - Save 30% $ 119.99

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

$ 83.99 USD
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Sale - Save 30%
$ 119.99

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

$ 83.99 USD
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Valve Cover Gasket Set
Valve Cover Gasket Set
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:57267777
Part#: 11120030496
Ships on Dec 15, 2026
New Item
Sale - Save 30% $ 29.99

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

$ 20.99 USD
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$ 29.99

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

$ 20.99 USD
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Air Conditioning O-Ring - Priced Each - 13.8mm
Air Conditioning O-Ring - Priced Each - 13.8mm
Febi - Corporate Logo
T#:54816249
Part#: 64538375742
Special Order: No Guaranteed ETA
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$ 0.99 USD
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$ 0.99 USD
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Heavy-duty track-day grade green O-ring keeps BMW A/C systems sealed.
Febi Alternator - 12317501690 - E46, E39 525i 528i 530i, E53 X5
Febi Alternator - 12317501690 - E46, E39 525i 528i 530i, E53 X5 ...
Febi - Corporate Logo
T#:56544002
Part#: 12317501690
Special Order: No Guaranteed ETA
New Item
$ 245.99 USD
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$ 245.99 USD
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Trust Febi Bilstein for clean power output and dependable performance every time you start your engine.
Febi Crankshaft Sensor With Sealing Ring - 12141709616 - E36, E46, E39, E60, E83, E53
Febi Crankshaft Sensor With Sealing Ring - 12141709616 - E36, E46, E3...
Febi - Corporate Logo
T#:56507847
Part#: 12141709616
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
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$ 14.99 USD
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Keep your BMW’s engine management system operating at peak performance with this replacement crankshaft position sensor from Febi Bilstein.
C-Clip Nut
C-Clip Nut
Febi - Corporate Logo
T#:55821709
Part#: 51127070202
Special Order: No Guaranteed ETA
New Item
$ 1.99 USD
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$ 1.99 USD
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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 Oxygen Sensor - 11781743994 - E46 M3
Febi Oxygen Sensor - 11781743994 - E46 M3
Febi - Corporate Logo
T#:56254778
Part#: 11781743994
Special Order: No Guaranteed ETA
New Item
$ 62.99 USD
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$ 62.99 USD
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This Febi Bilstein Oxygen Sensor provides a high-quality OEM replacement option built to precise vehicle specifications.
Febi M54 Starter Motor - 12412354693 - E46, E39, E60, E83
Febi M54 Starter Motor - 12412354693 - E46, E39, E60, E83
Febi - Corporate Logo
T#:56724716
Part#: 12412354693
Special Order: No Guaranteed ETA
New Item
$ 147.99 USD
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$ 147.99 USD
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This Febi Bilstein starter motor delivers the cranking performance your BMW needs for instant ignition response every time you turn the key.
Water Pump Pulley
Water Pump Pulley
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bremmen Parts - Corporate Logo
T#:58782363
Part#: 11511436590
Ships on Feb 1, 2027
New Item
Sale - Save 20% $ 35.99

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

$ 28.79 USD
Free Shipping on orders $49 and up
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Sale - Save 20%
$ 35.99

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

$ 28.79 USD
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