[kuzdu]

Originally Posted by lexoman

Before I picked up the car yesterday I asked the service department to rotate the tires (front to rear). When I drove the car today the vibration in the steering wheel was 50-60% decreased. So much for the "harmonics" of the engine causing the vibration. The BMW representative was lying through his teeth.

your tires are the same size front and rear? mine are different size

[BG42]

Originally Posted by kuzdu

your tires are the same size front and rear? mine are different size

Depends how you order the car. All seasons you get 225 front/rear.

[ninja_geezer]

Originally Posted by lexoman

What happens if you get a flat?

All the performance variant's and full fat M cars do not come with run craps in the UK ,never have I am led to believe. Terrible things run craps ,I have the ps4s as std superb tyres .I remember my brother buying a 3 series some years ago it was horrible changed the tyres and wow what a difference...

[ninja_geezer]

Originally Posted by kuzdu

Regular tires, never ever again will i have run flats lol

Haha how true once you have swapped from the run craps you never go back

[ninja_geezer]

Originally Posted by lexoman

Just got word that the BMW engineer drove the car and said it was: "In normal operating parameters." He said that what is happening is that the "harmonics" of the engine are being felt through the wheel. This is normal in bigger (6 cylinder) engines with more power. There is nothing they will do. Did you ever hear such a load of BS?

well my 6 cylinder straight 6 gives no vibration through my steering wheel........FOBBING YOU OFF. i have the std fitted Ps4s tyres running at 36psi all round