My dealer quoted me a price of $1600 to do my 3.2L M104 on my W124.

The current head gasket is on borrowed time (no overheating and no oil in the coolant tank yet), but I am certain that I will be posting a thread about how to go about doing this by next year...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car