I was digging through my parts orders I saved when I rebuilt the A/C on my old W210 (pre hurricane) - The part no. is definitely correct.

Im going with that if you have an original dryer fitted to the car - you need to replace it and as a matter of consequence - install the updated hose too as the coupler nuts are different.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)