My new BMW 435i is covered in a heavy layer of dust due to the demolition of a building next door. What would your advice be about the best way of removing it without damaging the paintwork? It is so bad that I have asked the insurance company to send a claims assessor.
CB, via email
No rubbing, no sponges, no drive-through car wash. I'd advise using lost of plain hosepipe water to lift the dirt into suspension, then probably a Karcher or jetwash at a low setting. Then again, if the UK gets any more heavy thunderstorms, you might find this cleans your car up before the insurance assessor gets there.
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