Actually this has happened to me a couple of times. now 2 of the times i blame the tank on being empty( the light was on) and it stalled or shut off however you want to say it after i turned/stopped sharply.

now the other times its been odd becuase it had full tank of gas and after * so far its been because of quick stops or turns the car would shut off and a restaart always fixed the problem.

I have taken it to the dealer and they ran scans and what not and nothing came up. and also no code or anything came up whne it stalled so I have to proof that it stalls. just my word
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oh and its a 3.0 x5 2003 with just under 68,000 miles.