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Old 01-13-2020, 05:20 PM   #3
equ
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Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,580
I suspect bmw wheel cleaner is the same as sonax, you can't leave it on long either and it smells terrible... I spray it on wheels before a car wash (but have to make sure the wheels are not hot).
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