Let's be carefull out there
Join Date: Jan 2006
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Hi and welcome to the forum. Afew of your problems seem related.
The speedo is linked to the ABS sensor, I believe, so I think you have a faulty / dirty sensor on one of the front wheels.
The idle problem is possibly linked to the injector problem.
Try a forum search there have been a few recent posts (last 2 months ) regarding both these issues.
As for the rear screen, I guess you checked the fuse & relay. After that it could be a break in the filament on the screen or a fault in the wiring from the screen to the relay.
Currently in chris m's garage:
2000 Scenic 2.0 16v Monaco, BMW 3 Series, Pug 206