Quote:
Originally Posted by AirbusH
Unfortunately my M135i definitely has the base stereo.
I have fitted some tweeters my self but it's still heavily equalised and shite.
Hence wanting the Alpine upgrade.
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Oh thats a shame. That being said i don't see why an alpine kit for a f20/f21 of the same model year won't work for your car. You might want to try on the f2x forum