my opinion would be stay with your 5. I was looking at a 750li and the 535i and chose the 5. The 7 was just too big and i didnt need all of that. The 5 looks very similar to the 7 and its just a nice sporty version of the 7.
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2011 535i (Black Sapphire)
2010 M3 Coupe (Alpine White) 2009 M6 (Jet Black)
2001 525i (Jet Black)
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