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Gehilfling
3 years ago

If the tyre size is listed in the COC, you can use it.

However, the speedometer will display a higher speed than you actually drive due to the smaller rolling circumference.

Interesting page: https://tiresize.com/comparison/

MichaelSAL74
3 years ago

You can

Question is: May you

Say: Do the rims for this tyre size have an approval on your car!?

SpitfireMKIIFan
3 years ago
Reply to  Lifecoach24

Are you sure? These are over 6% difference in the rolling circumference.

MichaelSAL74
3 years ago
Reply to  Lifecoach24

I think that 245/45 is required. The deviation at nem 225 is too big

MichaelSAL74
3 years ago

225 width with 45 or 50 ratios are -3.5% difference in tire circumference

I don’t think it’s allowed. There is always intercepted with the width

SpitfireMKIIFan
3 years ago

…if the FS has changed to 225/45 R17 quietly and secretly at the second size of 205/45 R17, you are indeed right;)

MichaelSAL74
3 years ago

Sound Calculator 3.5% on the net

SpitfireMKIIFan
3 years ago

With the diameter perhaps, with the rolling circumference, 6.2% are less.

MichaelSAL74
3 years ago

3.5%

And even that comes to me too much

BueOnex3
3 years ago

It always comes to the car, everything that was available as standard is allowed.

Or, of course, if it has a release from the manufacturer ^^

Just ask your manufacturer for that.

If not standard, it is not allowed and the wrong ripening point. :

SpitfireMKIIFan
3 years ago

If you have a mounting machine, you can. Because of the different roll circumference, you will probably not be allowed.

hotrod66
3 years ago

Technically it is possible. Whether it is permissible is on another sheet.

kanimambo
3 years ago

what do the vehicle papers say?