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Message: <blockquote data-quote="seech" data-source="post: 15027" data-attributes="member: 4572"><p>Guys. Need some help. Lately on two occasions my E34 M50B20 engine suddenly died. After restarting all ok. Very hard to diagnose problem.The first time the engine suddenly lost power and would not rev above idling and then after about 10 secs engine died. Turned ignition off and restarted and everything ok.The second time while trying to exit a junction, engine died again without warning. Luckily haven't exited junction yet. Restarted and everything ok.Lately, I also noticed that now when I start my car the dashboard 'resets' itself. Last time when I turn on the ignition the check lights come on and then go off just once. Now when I start the car the dashboard 'resets', check lights come on again and then go off for the 2nd time. Dunno if this is related to the problems of the engine dying.Fuel economy also seems to be quite bad for the last two tanks.Work recently done:Cleaned MAF and Intake Temp Sensor (few months ago. some improvement)Changed ignition coil boots (huge improvement)Ran with V-Power for a couple of tanks.Changed alternator 2 weeks ago (checked the voltage and it appears to be ok)Anyone experienced this before? Any ideas?Dunno what to do now. Always tension the car is going to break down especially with the family inside. Appreciate any help or comments.Thanks.</p></blockquote><p></p>