Quote:
Originally Posted by wpoll
The 55C4 is a comms error between the DSC controller and the transfer case controller. Many causes it seems...
The 54C6 is the classic transfer case "oil wear" error and I'm pretty sure it won't trip the 4x4 lamp (on it's own). It indicates that your transfer case need to be drained and refilled with fresh BMW Power Divider Fluid (BMW DTF1). You then need to run a reset procedure on the VTG module to reset this oil wear code (and transfer case adaptions etc.). You cannot do this with INPA - which is the main reason I got DIS up and running. you can also perform this specialised reset via a Foxwell....
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I was going to look into doing the transfer case fluid this weekend, being a lubrication issue I would rather do it sooner than later. What's involved with getting DIS going? I really dont want the car to be driven around for weeks and weeks without it being done while waiting for my Foxwell.
09-29-2020, 10:27 PM
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