The factory size tires for the M coupe are, 225/45ZR17 in the front and 245/40ZR17 in the rear. Obviously you can stray from these somewhat, but you will lose performance as the M coupe is a performance vehicle.
To replace all the tires on a car with 27-inch rims, you would need four tires.
9/16
When your tires have 2/32" tread depth left you need to replace them.
Fragmented question?? If you have under 3/32nd's remaining on your tires replace them. If you have wires hanging out of your tires replace them. Replace tires as needed or rather replace all at once if you do not like mis-matched tires. However many people will replace just two tires at a time then rotate when the other two need replacement.
you dont need to lift it use smaller tires
To find the equivalent size of tires when replacing 27x1 1/4 tires, you need to consider the diameter of the wheel. The equivalent size would be 700x32c tires.
form_title=Replace 4 x 4 tires form_header=If you're tires or wheels are getting old or worn, it's time to replace them. What is the size of your current tires?=_ What type of weather does it drive in mostly?=_ How many tires need to be replaced?=_
I would head down to your local tire dealer, who can take measurements of all your tires and give you the required feedback on which, if any, tires you need to replace.
Tires have molded indicators called "wear bars." If these are visible across the tread pattern, your tires need to be replaced.
A tire store will replace any or all of the tires that you want. It depends on how many you want to purchase. They will not try to pressure you into anything you don't need.
You would need to have proper tools to do this. The tires must be removed and re-installed and the properly weighted. Most often, going to a trained professional would prove to be best and most efficient way of doing this.
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