Headgasket/valve job will be perfomed nextweek by an indy. In addition to headgasket/valve, what else should I ask him to examine, fix and or replace in these areas. Thanks in advance for any input.

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2004 BMW 325 xiT Wagon 40miles
1999 BMW 528i
1995 e320GTO Wagon 137K
GTO means Grocery Transport Only
I LOVE MERCEDES BUT I PREFER HAVING SEX WITH BMW.