86 325es Wont Start PLEASE HELP! - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 03-12-2014, 08:01 PM
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86 325es Wont Start PLEASE HELP!

Hi,

I Hope somebody can help me. My Daughters Boyfriend bought an 86 325es, it ran rough, but it was in really good shape, with a New Trans. well, I Changed Air Filter, ICV, Fuel Rail, Fuel Pump, Filter, 2 Injectors, Mass Air Flow sensor. While working on it, the Battery died..... There was an after market alarm on it, but no Remote, and I cant find the Alarm Box. I Found the Shock Sensor, and removed it, as well as any wire that did not look Factory. Battery being Dead, we tried to Jump Start it, and I hear the Re-Lays engage when the ignition is turned on, but the Starter does not engage. I Have power to it, but, it wont start..... There are 3 wires to the starter, 2 big ones and a Small probably 14g. with a spade connector on it that goes to a terminal between the 2 Larger wires. Also, when I try Grounding the Starter to get it to engage, Nothing...... Please help, I am all out of ideas....


Thanks,
Dave
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#2 (permalink) Old 04-08-2014, 02:33 PM
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[QUOTE=SuicideKid;680090]Hi,

I Hope somebody can help me. My Daughters Boyfriend bought an 86 325es, it ran rough, but it was in really good shape, with a New Trans. well, I Changed Air Filter, ICV, Fuel Rail, Fuel Pump, Filter, 2 Injectors, Mass Air Flow sensor. While working on it, the Battery died..... There was an after market alarm on it, but no Remote, and I cant find the Alarm Box. I Found the Shock Sensor, and removed it, as well as any wire that did not look Factory. Battery being Dead, we tried to Jump Start it, and I hear the Re-Lays engage when the ignition is turned on, but the Starter does not engage. I Have power to it, but, it wont start..... There are 3 wires to the starter, 2 big ones and a Small probably 14g. with a spade connector on it that goes to a terminal between the 2 Larger wires. Also, when I try Grounding the Starter to get it to engage, Nothing...... Please help, I am all out of ideas....

Check Earths to body, maybe Solenoid is faulty(Starter Motor wont engage if Solenoid is no good), has it blown any fuses? I am probably not the person to help you as I am new to BMWs myself(Recently got a 1989 E30) however that would be my best guess. Hope that helps mate as BMWs are great cars and worth the effort
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#3 (permalink) Old 04-13-2014, 12:24 AM
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Protip- being a mechanic, I know easy ways to test starter solenoids. find the lead that comes out of the solenoid to the starter. put power to it by using a jumper wire, or an external battery with jumper cables. make sure you connect a ground. if the starter spins, then its got a bad solenoid. Also, CHECK THAT GROUND STRAP THAT CONNECTS TO THE OIL PAN! That is the MAIN ground for EVERYTHING on the engine. If its NOT connected, you WILL NOT have a working starter. Trust me, I know from experience!
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