Mine was a 2005 325i E90. I have only owned E90s, but driven the previous Z4, an E46 and most of the current range. I still love my current LCI 325i the most.
'05 E90 325i 6sp Man SG 118,032km on the odo (retired) | '06 E90 325i Step SG 121,021km on the odo (retired)
'08 E90 325i LCI Step SG 130,024km on the odo (retired)
'13 D30 328i M-Sport Step | Estoril Blue | Black/Aluminimum | Pro Nav | Xenon HBA | Lane Change Assist 1,760km on the odo