Check out the realted link for some advice on how to reset the computer in your 2003 BMW 325I computer.
Where is the starter located on my 2003 BMW 325i
I have a 325i bmw it is making a tickin noise? why is that
I have a 2006 325i and i have jumped it.
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The oil pressure sensor on a 2004 BMW 325i is located on the bottom, right side of the engine. It is screwed into the block and has an output wire which sends information to the computer.
take out the battery. Or if all else fails take it to the garage where they will connect it to their computer and do the diagnostics
Where is the comfort relay location on a 1992 325i BMW?
06 BMW 325i front or rear wheel drive?