E39 530D

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Hope you guys can help with some technical queries.
Firstly my speedo & economy guage have gone off, previously they worked for a short while then stopped but now do not work at all, so I need to know where the speed sensor is located.
I am also having problems with thw boost, the waste gate seems to open for no reason when boosting around 2,500 revs then closes again when approaching 3,500, this does not happen all the time, only in fits & starts, I think this culd be an ecu problem.
I also have a problem with the ABS light, it used to come on for a while then go out, but now is on permanently, all the sensors look OK but who knows, again I think it could be ecu related.
With reference to the above I need to locate the ecu in case it is a problem in that area, can anyone help please.
Best Regds
Ian

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Xracer Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16-July-2003 Status: Offline Points: 2	Topic: E39 530D Posted: 17-July-2003 at 09:07
	Hope you guys can help with some technical queries. Firstly my speedo & economy guage have gone off, previously they worked for a short while then stopped but now do not work at all, so I need to know where the speed sensor is located. I am also having problems with thw boost, the waste gate seems to open for no reason when boosting around 2,500 revs then closes again when approaching 3,500, this does not happen all the time, only in fits & starts, I think this culd be an ecu problem. I also have a problem with the ABS light, it used to come on for a while then go out, but now is on permanently, all the sensors look OK but who knows, again I think it could be ecu related. With reference to the above I need to locate the ecu in case it is a problem in that area, can anyone help please. Best Regds Ian

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