Hey there beemer fanatics,im a young man who just purchased my first bmw,it an e30,320i,2 door and i need some help with a few things im tyring to accomplish. 1st things first, i have a set of 18inch rims laying in my garage,was thinking if i should fit them,are there any suspension implications,secondly i have beautiful chrome bumpers,is chrome better than plastic? lastly the car is extremely heavy on petrol,ive had a few cars before but never as heavy as this one,is this normal?