5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
well last night me and my friend were in his 1993 bmw 5.25I and we drove to get some food when we came out of the restraunt and started his car the check engine light came on immediatly and than the motor started to rev.... it would rev to 2000 rpms and than drop to 1000 and than rev back up to 2000 and than drop back to 1000 it did this constantly and will not stop...what could be wrong??? has anyone had any kind of problems like this??? how do we get the check engine light to display the code?
Since the check engine light is on; don't u think it is a good idea to hook it up to a diagnostic; they do it for free at some Autozone stores! This will minimize all the guess work and save you $$$!!
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