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Old 10-27-2010, 04:56 PM   #2 (permalink)
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Join Date: Feb 2010
Location: Wellington, NZ
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The Charger - '15 BMW i3
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I use Armor All Tire Foam. It's only put on the sidewall, so there should be minimal effect on the tread (the spray is pretty easy to control).
The can says that it helps protect the sidewall against cracking, but I can't really speak much on that as our cars are driven enough that the tire is bald long before any signs of cracking appear.
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