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    voodoo walt
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    Engine quits when warmed up

    My 89, 735i has been plagued with problems since last Fall. The latest problem is the engine quits after the car warms up. It starts immediately when cold. I drove about 4 or 5 miles and stopped for about a half hour. Car started fine. Drove about 300 yards, stopped at a red light. Turned right on green and the engine quit. The starter turned over fast. The car started hard but the instant I touched the accelerator the engine quit. Tried three more times but no go. Finally had it towed. The same thing happened a while back and the mechanic thought the gas line had ice. Dry gas seemed to work but the trick is that the car starts fine when cold so he thought it was fixed. I didn't drive the car for 3 days then ran into the trouble again as described above. Any ideas greatly appreciated.

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    Member No: 14327 Highline is an unknown quantity at this point Highline's Avatar
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    have you check the fusable links near battery?

    they can have haircracks and sometimes still have enough contact, sometimes not.Shogun E32 Tech Tips: http://twrite.org/shogunnew/topmenu.html

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    voodoo walt
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    Re: Engine quits when warmed up. FOUND PROBLEM.

    1989, 735i. No. It wasn't cracked battery fuses. I did the stomp test and the oxygen sensor fault code blinked. Changed the sensor and the engine ran almost perfectly. Almost, that is. After engine warmed up I turned it off then started it again. This time it took a bit to get going. Did a second stomp test and the coolant sensor fault code came up. Discovered the sensor was unplugged. Unfortunately it looks like the connector may be broken. Uh Oh. Can you hear me crying?

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    connectors you can get from BMW

    pretty cheap, also all the pins. I prefers to buy the pins with already connected wire of about 15 cm, the connection is water tight, then you just have to solder or crimp it.
    http://www.realoem.com/bmw/showparts.do?model=GC81&mospid=47354&btnr=61_2644& hg=61&fg=15&lang=enUS

    http://www.realoem.com/bmw/showparts.do?model=GC81&mospid=47354&btnr=61_2647& hg=61&fg=15&lang=enUSShogun E32 Tech Tips: http://twrite.org/shogunnew/topmenu.html

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