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Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Dual Pro RS4 4 Bank Battery Charger w/3 Bank B.O.S. [RS4/BOS12V3]RS4 4 Bank Battery Charger with 3 Bank B. O. S. This kit includes Dual Pros B. O. S. Battery Optimization System 12V 3 Bank (PN: BOS12V3) and Dual Pros RealPRO Series Battery Charger 24A 4 Bank (PN: RS4). B. O. S. (Battery Optimization System) 12V 3 Bank B. O. S. actively shuttles energy between batteries to keep the pack balanced, increasing battery strength and longevity. Batteries in a pack will become out of balance and the pack is only as good as
![Dual Pro RS4 4 Bank Battery Charger w/3 Bank B.O.S. [RS4/BOS12V3] Dual Pro RS4 4 Bank Battery Charger w/3 Bank B.O.S. [RS4/BOS12V3]](https://cdn.shopify.com/s/files/1/0637/4522/9058/files/104779XL.jpg?v=1721244389)
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
4.2 ★★★★★
Based on 239 reviews
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Product Reviews
★★★★★ 5
Amazing
Material Type: Plastic
I purchased the Front Center Console Cup Holder as a replacement and it worked perfectly. The fit was very good and it matched the interior of the car nicely. It feels sturdy and holds cups securely without them moving around while driving.
Installation was simple and took just a few minutes. It’s a great solution if your original cup holder is broken, worn out,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
Works great
Material Type: Plastic
Good quality overall
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
Great E46 cup holder
Material Type: Plastic
Anyone who owns an E46 knows the cup holder eventually comes loose and that was exactly what happened in my case. I decided to change my entire center console from tan to black and decided to go with this new cup holder and it fit perfectly and it matched the console perfectly too. It hasn't come out on me at all.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2025
★★★★★ 5
Its a good product
Material Type: Plastic
Fits my car perfectly, good quality.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Quick way to bring your m3 back to life
Material Type: Plastic, Material Type: Plastic
Looks great , color is spot on , feels really durable , installation was quick and easy
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Reviewed in the United States on May 14, 2026
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