Quote:
Originally Posted by Scotchtion
I've got an M850i Convertible. Wondered if the soft top creates more drag in a crosswind, but I'm reaching there.
And yes, I had the front splitter in the trunk installed.
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I also have a 2019 M850i convertible and granted I'm in DC with limited open areas for pure wind. However I've had no winds problems.
I will admit a slight sound as the soft top flaps; however I've never felt the car go sideways due to winds. 90% of the time the top is down, but above 80 mph, I do like to have the top up.
I've had it up to 140 mph and 0 wind problems, but it's probably not the same in DC as AZ with open highway around Phoenix.
I assume you have the stock 20" run flat high performance summer tires??
Maybe it's a tire issue?