Welded diff + 16s...

[NIALL JZX]

But would wider wheels not mean more grip?

She's a 24v 2.0L 520i

u need grip to drift lad
try both shor it wud only take a few min to swap around wheels...
shud be grand with the diff welded..

[insejn]

i find it more stable and more enjoyable with wider wheels mate

[babyeater690]

and with beamers the diff mount is bolts not welded so be carefull not to rip out your boot

[andy t]

15's man & rock on