it is not the tires, i have had this problem started about 300 miles. 5 + trips ,2 different dealers.it is alignment problem. got it fixed ,then bmw inspection tec just messed it up today. now back to the right hand pulling. you cannot let go of the wheel,or it will run off the road to the right.this is nuts. dont let the dealer tell you it is the way it is!!! good luck
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