Do the middle bolt first, then gently pull the ends down. If you do the ends first then the middle has no room to move and settle as you do it up.MikeyH said:What a rubbish design, so much for “German engineering”!BumpyZ4 said:I installed a new BMW one a couple of years ago and it was the same, not curved enough. That's why they crack!MikeyH said:Easy job but not quite curved enough but okay.



