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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 09-18-2003, 11:30 AM
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My alternator is dead. Car: 1996 318i 4cyl 1.9L, power windows, power doors, rear defroster,sunroof,A/C.

My current alternator is a Bosch 90Amp. Rebuilt alternators I found online are 70Amp or 80Amp. Bosch representative tells me the factory specs is an 80Amp.

Which one to go with? Just found the best deal on 70Amp, at http://autoexpress.safeshopper.com/222/240.htm?276 - would it have enough juice? My A/C runs all the time, so is the stereo, and I occasionally play with door locks
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#2 (permalink) Old 09-18-2003, 12:20 PM
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go with 80 amp

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#3 (permalink) Old 09-18-2003, 12:37 PM
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give these guys a call:

http://www.double02salvage.com/

They might either have new, rebuilt, or pullout alternators that you can purchase.

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#4 (permalink) Old 09-19-2003, 04:02 PM
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As far as the brand is concerned - anyone heard of Duralast or Worldwide? Both carry a lifetime warranty, as opposed to Bosch rebuilt with 1 year wty. Anyone replaced their alternator with a different brand?
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#5 (permalink) Old 09-23-2003, 12:52 AM
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Oh well... I got the answer the hard way. After spending an hour replacing the busted alternator with a new one from Duralast, I figured that (1) the old malfunctioning alternator had destroyed my brand new battery, which had to be raplaced, and (2) they sold me a deffective alternator!!! This one outputs 12.5 volts at the terminal, when A/C and headlights are on - waaay lower than 13.7V should be (on my 318i).



Lessons learned:
1) There is a free alternator testing machine at Discount Auto Parts, which tells you whether your diodes are gone, or something else.
2) ALWAYS go with the BOSCH-rebuilt alternators. It's cheaper in the long run.

P.S.: While removing the stock air box, I discovered that it has a lining - sort of like another air filter - on the bottom, top and sides of the inside of the airbox. Where would I get a replacement for it, and what's the proper name?
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