SKU: 99875495120

BMW 3,4,5,6,7 series HARMON KARDON amplifier extension cable (pre 2019)

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Description

BMW 3,4,5,6,7 series HARMON KARDON amplifier extension cable (pre 2019)BMW 20 pin Harmon kardon amplifier extension cable. Suitable for BMW vehicles of the E and F series with factory installed Harman Kardon sound system and fiber optic connection 20cm in length perfect for adding external amplifier or hi level signal converter without having to damage the factory wiring and for easy removal. does not fit 1 and 2 series with Harmon kardon This item fits 3,4,5,6,7, x5 ,x6 with HK amplifier before 2019. does not fit 2019

BMW 20 pin Harmon kardon amplifier extension cable. 

  • Suitable for BMW vehicles of the E and F series with factory installed Harman Kardon sound system and fiber optic connection

20cm in length 

perfect for adding external amplifier or hi level signal converter without having to damage the factory wiring and for easy removal. 

does not fit 1 and 2 series with Harmon kardon 

 

This item fits 3,4,5,6,7, x5 ,x6 with HK amplifier before 2019.

does not fit 2019 onwards HK systems

 

Please double check your amp plug matches the pictures before ordering 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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SKU: 99875495120

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4.7 ★★★★★
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Verified Purchase
Sharon T.
Lexington, US
★★★★★ 2
Combersom
Cumbersome, does not hold 3nough water
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Miah Quesada
Houston, US
★★★★★ 3
Mixed Results
These strips fit comfortably and don’t slide around, which I appreciated. They are gentle on my gums and enamel, and I noticed a slight improvement in brightness after consistent use. That said, they aren’t as strong as some other whitening strips on the market, so if you’re looking for dramatic results you may be underwhelmed. Good for subtle whitening.
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Reviewed in the United States on October 2, 2025
D
Disappointed Reader
Pawtucket, US
★★★★★ 5
Does work well for removing minor stains
This product is probably best for removing minor staining - things like coffee, tea, red wine. I don't think it would work for longer-term stains that accumulate with age - the strips are not powerful enough for that. Very easy to use: just apply and leave on for half an hour or until you can feel that they are no longer well-attached. The "cleaning" process starts immediately - you can see the bubbles form. I am a tea drinker, and I notice immediate effect after putting these on. Don't expect miracles, but they will help with fresh stains for sure. For me, they do not increase the sensitivity, but my teeth are generally not sensitive. But they are peroxide based, so the possibility is always there that it could have that side effect.
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Reviewed in the United States on November 1, 2025
R
Raejanae'
Belleville, US
★★★★★ 4
Actually Works! Noticeable Results Quickly
THESE WORK GREAT! I’m a smoker and occasional coffee drinker, and these strips got my teeth from a 12 to a 9 in just a week—I actually noticed results right away. I don’t use them every day, but even with sporadic use, the difference is clear. A couple of downsides: a few strips didn’t stick perfectly, but most stayed in place well. The upsides: I have very sensitive teeth (I can’t even drink ice-cold water easily), and even when I left the strips on longer than recommended, I had very little to no sensitivity. Another bonus is that they’re stretchy! I’ve tried other well-known brands, and their strips had no stretch and often left my back teeth exposed. Overall, these are effective, comfortable, and easy to use—I definitely recommend them!
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Reviewed in the United States on September 27, 2025
T
Teleskier
Carnegie, US
★★★★★ 5
Finally, whitening strips that work for me
I normally have not been able to use whitening strips due my teeth and gums being sensitive, but that hasn't been a problem with these pleasant-tasting strips. They really stick well on the teeth, takes a little effort to get them off in fact but that's not a complaint. Of course the main thing is that they whiten the teeth and while my teeth are probably a little harder to whiten due to my copious use of coffee and tea I can say that these have definitely whitened my teeth a couple shades since using them. Would definitely use again.
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Reviewed in the United States on October 25, 2025

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