I have been told that jump starting a W124 will cause the OVP to fry. True or false?
jackD

It CAN blow the fuse. Usually the actual OVP relay is fine.
Same on BMWs, I hear.
You can actually bump-start a W124, even an automatic - Check your owners manual

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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg

if you follow the correct procedure for jump starting your car-,then the ovp relay and fuse should be ok-follow instructions in your owner's manual if you have one-it is crucial to connect the jump wires in the correct way and disconnect them once the car starts up also in the correct order to prevent ovp relay problems-

False.
If you reverse the cables you will blow the OVP fuse (luckily- prevents damage).
Same if you accidentally cause a short during the jump procedure.
Otherwise, expect no problems.

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1986 300E 5-Speed 240k mi.