i have an obd11 code po313 on 2002 bmw 325i and runs rough like it needs a tune on 2002 BMW 325i

up it saids misfired fuel low presure

by in Thomasville, NC on March 12, 2013
1 answer
ANSWER by , March 13, 2013
seek diag and est from a good german auto tech,could be several issues