alternator gone ?

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Mops
E30 Zone Newbie
E30 Zone Newbie
Posts: 128
Joined: Thu Aug 11, 2005 11:00 pm

Mon Feb 20, 2006 8:24 pm

Hello guys and gals.

I recently succesfully installed megasquier II ecu in my e30 325i (ms2 writeup comming up shortly).

durning the install of MS few weeks ago I realized my battery is dead (after charging for 48 hours it wasnt fully charged, and it would do only 2 starts of the engine then went flat), so i got another brand new Bosch battery, which worked great. as with ecu install, few weeks involved alot of starting and some driving, and my brand new battery eventually went flat. However I noticed that while driving the voltage in the system is only 13.4V, as opposed to 14.4V as on a healty car.

does that mean my alternator is stuffed ?
is that the whole alternator or possibly only a rectifier ? or something else ?
1985/E30/325i coupe/5 speed/125k miles/shortshift/megasquirt II ECU controlling fuel and spark with custom ignitor and ICV mods/LC-1 wbo2/collecting parts for FI
Widge
E30 Zone Addict
E30 Zone Addict
Posts: 3661
Joined: Tue Jan 11, 2005 11:00 pm
Location: Leeds

Mon Feb 20, 2006 8:36 pm

Could just be the rectifier, or regulator or what ever they call it, whip it off and take it down to your local alternator place.
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