See all parts that fit your 2004 645Ci
Universal Transponder Bypass
Product highlights
Universal RF Interface for factory door, lock, alarm and remote start systems • Add an alarm system and still use your factory key
Learn more about the tbxkey
DS18 PRO-SM8.2 (Sold Individually)
500W Peak (250W RMS) 8” PRO Series Shallow Midrange 2-ohm Motorcycle and Powersports Loudspeaker
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DS18 8PRO300MB-8 (Sold Individually)
300W Peak (150W RMS) 8" 8PRO Series 8-ohm Mid-bass Speaker
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Cerwin-Vega CVP8 (Sold Individually)
350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker
$49.99
List price $59.99
460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers
$90.00
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270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
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700W Peak (500W RMS) 8" Epic Pro Series Pro Audio Midrange 4-ohm Speakers
$129.00
900W Peak (300W RMS) 8" HED Series 2 Way Component 4-ohm Speaker System
$219.99
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390W Peak (130W RMS) 8" DMDX Series 2-Way Cocentric Coaxial Car Speakers
$189.99
Cerwin Vega CVMPCL8.0 (Sold Individually)
400W Peak (200W RMS) 8" Stroker Pro Series Full Range 4-ohm Speakers
$139.99
List price $167.99
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Manufacturer:
Model Number:
TBXKEY
Weight:
0.90lbs
Internal SKU:
tbxkey
Internal Product ID:
20891
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
