M&P USA Universal Fiber Optic Loop Bypass Loop Adapter Compatible with 2006-2011 BMW, Mercedes & More

Rated 4.95 out of 5 based on 97 customer ratings
(97 customer reviews)

$15.89

& Free Shipping

Our fiber optic loop features a unique, universal, female style connector that ensures proper fitment!  You may have noticed that our bypass loop looks different than other bypass loops out there!  We modified it to universally fit the connector for every component in your vehicle including, but not limited to: Satellite receivers, Power amplifiers, TCUs (Bluetooth) module, MULF units, CD changers, COM Boxes, and MMI Modules! Compatible with 2006-2011 BMW, Mercedes, and any vehicle that utilizers the “MOST” fiber optic system.

Free shipping on orders over $50!

  • No-Risk Money Back Guarantee!
  • No Hassle Refunds
  • Secure Payments
  • Our UNIVERSAL Female Fiber Optic Loop is Plug & Play & fits ALL BMW and Mercedes fiber optic multimedia component connectors. (Other seller’s standard adapters WILL NOT fit many multimedia components without modification)
  • Compatible With: BMW, Mercedes, and Many More – SCROLL DOWN for more info
  • Proudly made AND supported in the USA! We are here to help you diagnose your vehicle.  Covered by our LIFETIME Warranty Replacement Guarantee. 
  • PLEASE Contact us for help with the product, or your vehicle’s SOS light or Audio Issue!
  • Lifetime warranty is included on all of our products!

BMW – Checking Vehicle Compatibility:

BMW: Our fiber optic loop is compatible with all BMW models from 2006-2011. (keep reading below for newer models) In BMWs, components with fiber-optic connections are identified by their green optical cables. The image on the left shows a typical component layout with the male MOST connector cable disconnected from a component. In BMWs, multimedia components are typically located in the trunk near the driver-side tail light, or in the bottom center area underneath the cover panel. Components and locations will vary based on your make, model and vehicle options (we will help you find them as needed).

2012+ BMW models utilize a consolidated communication module (com box) replacing the older, separate components used in previous years. Our fiber optic bypass is compatible for testing purposes, however, 2012+ BMWs will likely require further troubleshooting (we are happy to help).

Mercedes – Checking Vehicle Compatibility:

Mercedes: Our fiber optic loop is compatible with most Mercedes models from 2004-2011. Mercedes vehicles generally have more components connected to the fiber-optic network than BMWs. In Mercedes, components with fiber-optic connections generally can be identified by their orange optical cables.

The image on the left shows a typical Mercedes component layout. In Mercedes, vehicles’ multimedia components are typically located in the trunk near the driver side tail light, or in the bottom center area underneath the carpeting panel. Component locations will vary based on make and model, we will help you find them as needed. Once the component you wish to test is located, our fiber optic bypass will fit .

Other Vehicle Manufacturers – Checking Vehicle Compatibility:

Other Vehicles: Countless other vehicle manufacturers utilize MOST (Media Oriented Systems Transport) technology. To check compatibility simply locate one of the components in the trunk area and look for a fiber-optic cable connection; they are typically either orange or green cables. Once located, disconnect the connector from the component to check and see if it looks like a male MOST connector (reference the two male plug examples in the image on the left). Either style of male optical connectors loop shown in the photo are compatible with our fiber optic loop.

Note: There are additional styles of fiber-optic connectors out there, as long as the spacing and diameter of the two on the connector match, our loop will work. If you’re not sure, you can always order one of our fiber optic bypass units, give it a try, and return it if it does not fit.. We promise, we wont be offended 🙂

Weight 1 oz
Dimensions 4 × 6 × 1 in

97 reviews for M&P USA Universal Fiber Optic Loop Bypass Loop Adapter Compatible with 2006-2011 BMW, Mercedes & More

5 Star

96.91 %
94 review(s)

4 Star

1.03 %
1 review(s)

3 Star

2.06 %
2 review(s)

2 Star

0 %
0 review(s)

1 Star

0 %
0 review(s)

Reviewed by 97 customer(s)

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    dylan cole

    adamk@me.com

    Worked perfect for my 2013 e350 mercedes, shipping was quick and it saved me a ton of time and money.

    June 19, 2025
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    Andrew Hargobind

    Amazing loop for troubleshooting

    Amazing product and amazing customer service. Thanks to Adam for helping me to trouble shoot a problem I’ve been facing for a year!

    June 15, 2025
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    Roberto Morales

    Great quality & care

    Arrived Immediately ! great packaging,

    June 13, 2025
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    Randy F.

    Best Customer Service Ever!

    Product works but didn’t solve my particular issue.The seller diagnosed it after i contacted him, gave me a contact that specializes in my issue, and even encouraged me to return the part!I would buy from them again!

    June 12, 2025
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    Andrew C.

    Worked, easy, perfect fix

    Seriously, fixed this common problem. Took 10 mins. And since it’s a common problem I didn’t bother doing detailed troubleshooting, just tried this cable and it fixed it.

    June 4, 2025
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    John G.

    2008 E92 335i

    Worked immediately. 3min install after clearing out the trunk. Highly recommend!

    June 4, 2025
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    Jim P.

    Outstanding customer support and diagnosis help

    I would give 6 stars if I could. I was having no SOS and No warning tone errors in my e92 m3 so I ordered this loop to try to diagnose the issue. When the loop arrives it comes with a card offering assistance via Amazon messages or Instagram DM. I reached out to Mods and Projects (the seller) and they were incredibly helpful in diagnosing the issue. They offered step by step guidance and together we were able to find the bad module. When you order from this seller you are getting more than just the part, you are also getting the support and help in diagnosis. I’ve saved hundreds of dollars in diagnosis time by sorting this out with the sellers help vs going to a shop.

    June 1, 2025
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    Jeff D.

    Great experience, great company.

    Product was what was described in ad. Customer service was excellent. A pleasure to do business with.

    May 25, 2025
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    Bianca Rocha Alves

    Great Customer Service and Product

    The item itself worked great, however what blew me away was the customer service I received. Although the item worked, it didn’t solve my error code, so I contested the seller and he helped me troubleshoot and resolve the issue. It’s rare to find customer service like that.

    May 11, 2025
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    A-C

    Works!!

    Fixed no sound and SOS error on 2008 BMW 135i. Satellite radio unit was at fault.

    April 26, 2025
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