Recently i changed my coding plug from a 4 pot to a 6 pot coding plug on my 320i as i was advised by a member on here because the speedo woudnt go past 80 mph. since i have changed it the car is running rough like it is going to stall or die out. Its had a full service oil plugs etc have been changed.
Any help appreciated thanks
coding plug
Moderator: martauto
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Ajsingh
- E30 Zone Addict

- Posts: 2378
- Joined: Sun Mar 28, 2010 11:00 pm
- Location: West Laaaandaan init! / Milton Keynes
If you are talking about a speedo coding plug then im pretty sure that the issue u have is something else.. By the way, the coding plug on the cluster is only for the rev gauge. The speedometer gets its mph reading from a sensor on the diff..
E30 Crazy!
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StefanAnghel
- E30 Zone Camper

- Posts: 1403
- Joined: Tue Nov 20, 2007 11:00 pm
- Location: Essex/Hertfordshire/London
Hi,
Used the search option and found this...
After doing my conversion my mph stopped working...
Any ideas what needs to be checked?!
Thanks
Used the search option and found this...
After doing my conversion my mph stopped working...
Any ideas what needs to be checked?!
Thanks
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kam-325i
- E30 Zone Team Member

- Posts: 4851
- Joined: Tue Sep 27, 2005 11:00 pm
- Location: TELFORD !!!! (Shropshire) Stevetigger Land !!!
conversion from what to what ?
Pete don't care about colour, He would shag a rainbow if he could find the end of it....


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StefanAnghel
- E30 Zone Camper

- Posts: 1403
- Joined: Tue Nov 20, 2007 11:00 pm
- Location: Essex/Hertfordshire/London
Ah! Sorry!
From M40 to M50... Changed the dials from a 4 pot to a 6...the rpm, temp and petrol gauges are ok but not the mph...
From M40 to M50... Changed the dials from a 4 pot to a 6...the rpm, temp and petrol gauges are ok but not the mph...

