Reading the following codes(all go away when cleared-come right back)
2002 x5 3.0

P0313 Misfire w/low fuel
p0300 Random multiple cyl. misfire
p1346 misfire during start cyl.3
p1353 misfire with fuelo cutoff on cyl.6
p1350 ignition control system
p1342 misfire during start cyl.1
p0171 fuel system too lean-bank 1
p0174 fuel system too rich-bank 2
po456-evap leak monitor-small leak detected
po0491
po049


Ses light on-I'm an amateur mechanic and have been able to fix everything so far without going to the stealership-any help with troubleshooting/fixing would be greatly appreciated.Love the car and this forum!