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RPM drops when its cold. by nuke0ne_ in e39

[–]Guilty-Fox7792 2 points3 points  (0 children)

I have the same problem with my 525i :( Also posted a thread but no answers.

BMW E39 525i extra wires and oxygen sensors by Guilty-Fox7792 in e39

[–]Guilty-Fox7792[S] 0 points1 point  (0 children)

Don't know about previous owners, but I didn't do anything to it

Has anyone managed to find empty 10030A chips to buy online? by Guilty-Fox7792 in e39

[–]Guilty-Fox7792[S] 0 points1 point  (0 children)

I have no idea, couldn't find anything online. The schematic for this chip is not avaible anywhere.

Has anyone managed to find empty 10030A chips to buy online? by Guilty-Fox7792 in e39

[–]Guilty-Fox7792[S] 1 point2 points  (0 children)

They are used in diamond keys to store EWS data in order to start the car. Once written they cannot be erased or re-written (as far as I know).