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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
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Description
RP4.2-BM21 RADIOPRO4 RADIO REPLACEMENT INTERFACE WITHDescription An all in one radio replacement and SWC interface, the innovative RadioPRO4 comes pre loaded with amplifier retention and SWC software, navigation based output signals, and other features that save time and money during installation. Retains OEM steering wheel control functions (pre programmed) Data controlled 10 amp accessory output Removes SOS error light from cluster after factory radio is removed Data controlled outputs for connecting
Description
An all-in-one radio replacement and SWC interface, the innovative RadioPRO4 comes pre-loaded with amplifier retention and SWC software, navigation-based output signals, and other features that save time and money during installation.
Patent # 8,014,540 & 8,184,825
Application Guide
| Year(s) | Make | Model | Trim Level | Additional Info |
|---|---|---|---|---|
| 2009, 2011-2014 | BMW | 1 SERIES | ALL TRIM LEVELS | — |
| 2006-2015 | BMW | 3 SERIES | ALL TRIM LEVELS | — |
| 2010-2014 | BMW | 5 SERIES | ALL TRIM LEVELS | — |
| 2011-2014 | BMW | 6 SERIES | ALL TRIM LEVELS | — |
| 2006-2015 | BMW | M3 | ALL TRIM LEVELS | — |
| 2010-2014 | BMW | M5 | ALL TRIM LEVELS | — |
Compatibility Notes
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 3
Nice looking but horrible clasp design
Color: 2858-All Black-Black Gold
Nice watch. The only bad thing is the clasps on the wrist band is horrible. One little bump and it opens up and then you have to try to catch the watch in case it completely falls off. I'd recommend only buying this if you are willing to change the wristband out otherwise half the time you will be fighting it from opening up and slipping off.
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Reviewed in the United States on July 18, 2025
★★★★★ 5
Great watch
Color: 2858-Silver-Blue Face, Color: 2858-Silver-Blue Face
Why did you pick this product vs others?:
It looks great and price is great too, I love it!
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Reviewed in the United States on June 24, 2025
★★★★★ 5
Best watch for 40 bucks
Color: Blue Face/Silver Strap, Color: Blue Face/Silver Strap
Works well, tells time, bang for your buck. People are complaining about esthetics and breaking after a while. You're spending 40 bucks on a watch what do you expect? Cmon. Its good for the price buy this one if you want something cheap, functional, and stylish.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Awesome for $37.00
Color: Blue Face/Silver Strap, Color: Blue Face/Silver Strap
Amazing quality at a low cost. I really enjoy this watch. Looks more expensive than it is. I love the look of it.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Buitfiful watch
Color: Blue Face/Silver Strap
Buitfiful watch with a good weight. The size adjuster only really works though if you unscrew it completely and just push the pins out with that. But other than that it's a buitfiful watch.
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Reviewed in the United States on March 8, 2026