A 15k E46 M3 is going to need some work- I'd be looking high teens/low twenties for a mostly sorted example. most M3 buyers want the 6 speed manual- so they usually go for a few grand more then the SMG. No sunroof/cloth seats are coveted due to rarity. S54 motor is sublime- except for the exhaust note; too raspy for my taste. Requires regular valve adjustments and subframe tears are not un-common and can be costly. Much more power than my E36, but added weight and "comfort" detract from some of the rawness feel. Find the best maintained example you can and go for it!

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'02 E53 X5 5spd -SOLD-
'10 E83 X3 6spd - Daily-
'08 957 Cayenne GTS 6spd