get some under-car pictures, that will tell you. my W115 looks cleaner than that and it has 76k on it so I would wager that the 5-digit ODO has made its round once before that.

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1992 850i 6 speed
1991 M3 S54B32 swap
2007 328iT/6 RWD sport wagon
1987 325E 330iZHP engine swap
2004 Vespa 200GT
1976 W115 240D getting a much bigger engine. 5.5L
1997 R129 SL600 5AT