Why are there brown marks on my alloy wheels after cleaning?
Can you help me with a cleaning problem I have with alloy wheels? My process is rinse wheel first, followed by alloy wheel cleaner to the barrel and face of rim, then rinsed off, then a soapy mitt to go over the wheel again, then rinsed again. When I inspect the wheels when dry there seems to brown smudges left on the wheels, looking like I have missed areas but I haven't. Then when I use a cloth or my finger it comes off.
Asked on 1 April 2022 by stephen rae

We're not sure why you have brown stains after cleaning as this is the correct process to clean alloy wheels. Have you tried a higher quality wheel cleaner? Try Bilt Hamber's Auto-wheel or Farecla G3 Pro wheel cleaner.
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