When should i replace my air filter

when should i replace my air filter
It's recommended that you replace your car's air filter every 12,000 to 15,000 miles or once a year, whichever comes first. However, if you.

At what mm should tires be replaced

at what mm should tires be replaced
Normally around 3mm unless I plan on selling the car within a few months then I try and eek them out by driving as if the wheels aren't bolted.
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