The misting is cause by grit and stones scratching the surface of the lens, so you'll need to polish that out to return then to clear. Should...
@phateuk You should be able to run a wire from the dimmer on the headlight switch, which should then dim the boost gauge in line with the rest of...
+1 for PowerFlex, have used them in the past (MK4 Golf era admittedly) but were compliant without too much vibration.
187K, just getting started. My Dad is still driving my old B6 A4 Avant around for work with 220K on it, still reliable as anything (touch wood!).
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