330d tyre inquiry ?

[Pug-1959]

 

Ok so signed today as I figure i'll be asking a lot of questions about my Car .

Picked it up yesterday and yes i'm in love already it's my first BMW , so yup a learning expierence

Now then question " Tyres "

It has Run Flats fitted , I plan on changing these to Normal radials .

One thing that puzzles me is that the Car has 225/40/18 Fr & 225/35/18 rear ?

Is there are reason for this , like a concrete , do not pass go , do not change sizes reason ???

[Greydog]

Hi Bob

Simple answer is wrong size tyres on the rear 

On 18" rims you should have 225 x 40 x R18  88W or Y rated. 

Dave