Quote:
Originally Posted by Bermslayer
...What do you mean by "Low Cluster" or "High Cluster"
(New to BMW here). Thanks
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Basically for a High Cluster (not sure of the official name, but that's what is called in this forum), there is an LCD orange pixel display at the bottom of the instrument panel where it can show words like "COOLANT LEVEL LOW" or "TRANS FAILSAFE PROG.".
Low Cluster E53's do not have that display, so it can't tell you complex stuff like that, and makes up for some of it with more warning lights (e.g., as was recently confirmed in another thread, the low clusters have a coolant high temp warning light, and the high clusters do not - and probably make up for it with a gong sound and written warning).
Going beyond the display limitations, since the low cluster E53's do not have any way to indicate low coolant level, they do not have a coolant level sensor or the wiring to plug in a sensor. Even if a replacement coolant expansion tank comes with a coolant level sensor, there is no easy way to use it on a Low-Cluster E53.