Im using the factory amp at first. Then the ibus install to be able to reset the mpg and such.

After that I will replace the stock speakers.

Then a new set of amplifiers.

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Just BMW's - All cars and trucks was two pages long
1994 318is
1997 528i
2000 323i
2001 X5 3.0 auto
2005 X5 3.0 auto
2011 535xi auto
2013 X5 xdrive35 Turbo
More are at my website

Aftermarket E53 Radio Install