I get free washes from the dealership and once a week it goes in for a full handwash/ express mini detail. My E92 got the same. When I turned it in, they raved about how it looked pretty much new. I don't subscribe to the Anti Car Wash Mafia. Make sure it's a touchless place or done completely by hand. I have a very busy life , as well as a robust social one. I don't have time to spend 6 hours going through my vehicle with 7 different waxes.

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2013 X5 Xdrive35i Premium
2013 F30 328i
2004 Mustang GT Very Modded...