Xoutpost.com - 4.8is Instrument Cluster *Help*

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- - 4.8is Instrument Cluster *Help* (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/111651-4-8is-instrument-cluster-help.html)

upallnight

03-22-2020 10:40 AM

Quote:

Originally Posted by ETAction (Post 1179820)

Took Avant 4 unit and put back in the OEM unit to see if that would activate anything.... it did not.
Took the car to a trusted audio specialist and they could not find anything wrong...

Safe to assume that during the install process something could have shorted and fried something?
Just so weird that aside from the cluster acting up, the one halo went out and the other is extremely dim.
Now I am considering buying a cluster off Ebay and going that route. I ordered some weislicht halo bulbs as I was planning to use the iBus app to run them as DRL's so I will put those in and see if they magically work.
Fingers crossed.

Swapping in a used cluster from eBay will require coding the cluster to the DME.

ETAction

03-23-2020 09:19 PM

Anybody know if the 4.8is cluster takes a separate bulb type for the tachometer limit light? Swapping out the bulbs seems fairly easy... not sure if the tach light is separate beast?

Clavurion

03-23-2020 09:23 PM

Quote:

Originally Posted by ETAction (Post 1180029)

Anybody know if the 4.8is cluster takes a separate bulb type for the tachometer limit light? Swapping out the bulbs seems fairly easy... not sure if the tach light is separate beast?

Those are illuminated by surface mount LEDs.

ETAction

03-23-2020 11:56 PM

Quote:

Originally Posted by Clavurion (Post 1180031)

Those are illuminated by surface mount LEDs.

Tricky Fix?

Clavurion

03-24-2020 06:10 AM

Those LEDs on cluster board fail very rarely. More likely something else causing that they are not powered.

ETAction

03-27-2020 03:35 AM

Anyone have a know how of how to swap info from one cluster to another?

Clavurion

03-27-2020 07:04 AM

Quote:

Originally Posted by ETAction (Post 1180244)

Anyone have a know how of how to swap info from one cluster to another?

Take the chip containing VIN and mileage info from your original cluster and solder it on donor. Then do the coding with for example NCS. The tricky part is that chip is on the front side of the board so the cluster has to be taken apart like when doing pixel repair.

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