BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > NBT-Evo with Alpine Hifi problem
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      08-25-2015, 07:38 AM   #1
die hard
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NBT-Evo with Alpine Hifi problem

Hi,

I got an F20 118dA M-Sport LCI (prod june15) in exe with the Professional Navigation and the new NBT-EVO system. (great navi display by the way).
I also ordered the original BMW accesoire Alpine HiFi upgrade (4 speakers and amplifier). But no audio. First we thought of an broken amp or something, but that wasnt the fact. The dealer says it didnt work because of the new NBT-Evo computer isnt compatible with Alpine amplifier audio signals. BMW told Alpine should develop a brand new amplifier for those systems (who are also in F30 and so on in my opinion ?)
So now i got my original (very bad) audio system restored and waiting for answers from Munich....
I want to get some nice audio but im not sure an after-market system like eton or something is gonne work while this problem is in.
Anyone got more info on this ?
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      01-15-2016, 05:20 AM   #2
AirbusH
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I would like to know this too.
Have you recoded the HU?
I have a 2015 M135i with the base stereo which is just shite.
Most aftermarket plug and play amps don't fit the newer F20's yet as I have emailed most of the companies
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      01-17-2016, 07:03 AM   #3
die hard
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yes

i bought it from the official dealer they did code the HU, it worked in first instance only, amplifier or HU is losing memory, problem is appearing in all cars with the new nbt-evo II (prof navi), bmw ag acknowledged the problem and says to work on the problem, solution was expected Q1 2016 (that was in july 2015). my car is in for service next week and they told to try to fix it, so keep you posted ! I already replaced the standard underseat subs for Eton B195, really a good improvement on low end in defenition, still missing a good amplifier, i hope the alpine is gonne be working soon.
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      01-20-2016, 04:29 AM   #4
AirbusH
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I added Focal tweeters and door woofers and will do the subs next,but I think it will need an amp to make a real difference.
Would love to get the OEM Alpine kit.
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      01-24-2016, 11:24 AM   #5
die hard
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i

i just got the Alpine OEM kit installed last week, great sound ! . unfortunately the left mid speaker broke down, the dealer promised to replace it this week, but the tweeters and amplifier are a huge difference and work fine with the HU now.
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      04-30-2016, 06:34 AM   #6
AirbusH
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Quote:
Originally Posted by die hard View Post
i just got the Alpine OEM kit installed last week, great sound ! . unfortunately the left mid speaker broke down, the dealer promised to replace it this week, but the tweeters and amplifier are a huge difference and work fine with the HU now.
What model car do you have?
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      05-01-2016, 11:59 AM   #7
die hard
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i have a 06-2015 lci 118dA exe with navi prof.
now i have the new alpine amp and speakers, and i replace the underseat sub for a Eton B195, the bass response is really awesome
loud and very defined also.
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      05-03-2016, 04:47 PM   #8
AirbusH
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I think the stupid ASD piped exhaust sound causes problems on the M135i with the Alpine kit. I've coded it off so will take a punt and order the Alpine system and hope I can get it to work.
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      10-03-2021, 07:11 AM   #9
eck10
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Quote:
Originally Posted by die hard View Post
i have a 06-2015 lci 118dA exe with navi prof.
now i have the new alpine amp and speakers, and i replace the underseat sub for a Eton B195, the bass response is really awesome
loud and very defined also.
My friend could you please share added alpine amp's product no, is it hifi version or upgraded version which does not have signal issue with nbt ? and wondering manufacturing date.

Thanks
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      10-03-2021, 07:12 AM   #10
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Whatever i tried with my retrofited nbt id6 unit and alpine hifi, unit does not wake up amp. Do u have any suggestion ?
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