transmission dropped down and the service engine light came on on 2002 BMW 530i

light is still on, last time this happened I had to replace the alternator

by in Fergus Falls, MN on June 15, 2011
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1 answer
ANSWER by , June 15, 2011
what is your question? if you have a check engine light that is on, you must find what codes are in the system. no diagnosis without codes.