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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BMW | Screw
BMW | Screw
Vaico - Corporate Logo
T#:57231520
Part#: 07119901299
In Stock
New Item
$ 2.99 USD
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$ 2.99 USD
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M8x16
BMW Alternator - SEG Automotive 0124.515.223
BMW Alternator - SEG Automotive 0124.515.223
SEG Automotive - Corporate Logo
T#:54851980
Part#: 12317519618
Ships in 2 Business Days
New Item
$ 503.99

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

$ 462.99 USD
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$ 462.99 USD
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BMW Alternator - SEG Automotive 0124.525.588
BMW Alternator - SEG Automotive 0124.525.588
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

$ 474.99 USD
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$ 474.99 USD
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M9 X 1.25 BMW 328 E46 Rod Bolt Kit
M9 X 1.25 BMW 328 E46 Rod Bolt Kit
ARP - Corporate Logo
T#:54139644
Part#: 301-6022
Ships on Oct 28, 2026
New Item
20% off MSRP $ 19.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 15.99 USD
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20% off MSRP
$ 19.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 15.99 USD
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Engineered from proprietary ARP2000® alloy, these M9 x 1.25 fasteners provide the massive clamping force needed to keep the rod journals perfectly round and seated, even when bouncing off the rev limiter lap after lap.
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New 120A Alternator
New 120A Alternator
SEG Automotive - Corporate Logo
T#:58965210
Part#: 0124.515.052
Ships on Nov 4, 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.
New 150A Alternator
New 150A Alternator
SEG Automotive - Corporate Logo
T#:58965212
Part#: 0124.525.561
Ships on Nov 4, 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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New Alternator
New Alternator
SEG Automotive - Corporate Logo
T#:58965213
Part#: 0124.525.523
Ships on Nov 4, 2026
New Item
$ 495.99 USD
Free Shipping on orders $49 and up
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$ 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.

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