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Larger pulley is just like riding lower revs for the compressor.
Also the aircon pulley is straight foreward I think. No mass dampers etc. Just the clutch.
I didn't know you could buy aircon compressor pulley's seperately and in different sizes. (it usually is set to the clutch coil inside)
Larger crank pulley will spin the aircon compressor faster and that can maybe do damage/cause extra wear on high revs.
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Z4 3.0i | ESS TS2+ supercharger | Quaife ATB LSD | Brembo/BMW performance BBK front/rear | Schrick FI cams | Schmiedmann headers+cats | Powerflex/strongflex PU bushings | Vibra-technics engine mounts | H&R anti rollbars | KW V3 coilovers/KW camber plates | Sachs race engineering clutch | tons of custom sh#t
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