Putting blocks in front of and behind the wheels would probably help prevent this type of mishap. It has happened to me too (others on the board too I'll bet...) but I learned a tremendously valuable lesson. TAKE THE TIME TO DO IT RIGHT - EVERY TIME.

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Jay Yambrovich
Scotts Valley, CA.

1993 300 CE Cabriolet (A124) 131K miles
1997 C-280 133K miles

2000 BMW R1100RT 69K miles
1989 300 E 216K miles (sold)