Oh I test drove the F15 too. But to me its just an E70 with a different idrive.

The difference going from the e53 to the e70 was very striking but the e70 to the f15? Just an idrive revision to me.

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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