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
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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
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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 2 Business Days
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$ 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 8, 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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Meistersatz S54 Valve Cover Gasket Set - 11127832034 - E46 M3
Meistersatz S54 Valve Cover Gasket Set - 11127832034 - E46 M3 ...
Meistersatz - Corporate Logo
T#:57580040
Part#: 11127832034
Ships in 4 Business Days
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$ 162.99 USD
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$ 162.99 USD
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Tackle cylinder head service head-on and safeguard your engine’s performance with complete confidence using this valve stem seal kit from Meistersatz.
Meistersatz Oil Sensor O-Ring - 12611744292 - 1, 3, 4, 5, 6, 7 Series, X3, X5, X6, Z8
Meistersatz Oil Sensor O-Ring - 12611744292 - 1, 3, 4, 5, 6, 7 Series...
Meistersatz - Corporate Logo
T#:60139555
Part#: 12611744292
Ships in 4 Business Days
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$ 4.99 USD
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$ 4.99 USD
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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 8, 2026
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$ 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 8, 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 8, 2026
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$ 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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$ 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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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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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
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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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