Quality Power alternators for BMW

[rickymac21 10+ year member]

So I've been searching and searching for an alternator for my 325i and almost no one carries one (all special orders). I have emailed several people (dc, excessive amperage, mechman, and singer) for quotes on custom alts for my car but no responses just yet.

BMW 3 Series High Output Alternators

So far this company "quality power audio" has been the only one to actually have alternators for my car. It seems reasonably priced at $400 for 250a. But then again I haven't received a quote from anyone else yet so I have nothing to compare it to.. Anyone have experience with this company?

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[DARKHART 10+ year member]

I would say wait and call the other companies first. Our cars are pretty hard to add certain upgraded parts to so be diligent in your search. My e39 540i6 has a factory 150amp alternator and at last check NO ONE makes a upgraded replacement for it because it's water cooled......

 

[rickymac21 10+ year member]

I would say wait and call the other companies first. Our cars are pretty hard to add certain upgraded parts to so be diligent in your search. My e39 540i6 has a factory 150amp alternator and at last check NO ONE makes a upgraded replacement for it because it's water cooled......

Yea it's a PITA to find some specific parts.. I had no idea alternators could be water cooled honestly. I wouldn't think mine is water cooled as I haven't seen any excess hoses running to it, plus there is a little vent on the back to release hot air. Hopefully I can find something that will work in there. My stock alt is only 120a which is better than most stock, but not enough to run 3-4000w. So I'm gonna have to find something.

 

[DARKHART 10+ year member]

I wouldn't think mine is water cooled as I haven't seen any excess hoses running to it, plus there is a little vent on the back to release hot air.

Yours isn't water cooled. I was just stating that mine was which makes it THAT much harder upgrading. I've spoken with a few of the manufactures and was told by some of them that they had tried making one that was a high output water cooled replacement but could never get the prototypes to properly cool so they shelved the idea...

 

[rickymac21 10+ year member]

well so far the only company to get back to me is Singer alternators. . He said he offers a 200a (220a max) for $490... Now that doesn't seem so bad either, but considering the other company (quality power alternators) offer a 250 amp alternator for almost $100 less, it's kind of a toss up. Unless Singer alt's are that much better that a 200a would outperform the 250a

 

[rickymac21 10+ year member]

Does anybody have any experience with them? Or heard anything about them? I can't find anything solid