Automatics do have make alot less power
The parasitic loss on an automatic is around 20%
A manual is anywhere form 10-15%
That is saying you have a fresh auto transmition, they lose alot more as time goes on a significant amount more than a manual.
I would say drive it like it is, and save up for your M
318I convertible, Dinan Exhaust and performance chip
Roh BMW racing 17's, Dinan Stage 2 suspension system. Pinoeer CD player, pioneer speakers front and rear. Pioneer 400 watt 6 channel amp. and MTX 8" subwoofer.