I would use the BOSCH from fcpeuro.com without hesitation.
I replaced my alternator two years ago, and I put in a Bosch, and I haven't looked back. It works great and also has a warranty.
Best has been new Bosch or Delco-Romy from jobber stores. Never had one of those fail yet.
I think I put a Bosch 145 on my 01 5.3 and it’s been a non issue
After that I would pick the Bosch reman. A junk new alternator is going to last a fraction of the time of these 2.
The Bosch reman is the one I'd go for. I've got it in mine.
Looks very similar to a Porsche 944 alternator.
I own the exact car, when I bought it, it came with a bad replacement alternator. The replacement was an eBay brand which was causing all sorts of faults. I replaced it with a Bosch unit and the car seemed fine. A few weeks after the replacement, I started getting a random limp mode with various under and over voltage errors. At this point I decided to buy and install a BMW branded alternator. This took care of issue.
Symptoms: Flickering lights, and occasional hiccup start. Now battery light is coming on and staying on. When stationary battery tests around 12.5 volts. When running, that drops to 11.7 volts.
On my '93 240, I used a 740 external regulator Bocsh alternator...100amps...the problem is is that the voltage regulator takes a dump, which leads to people replacing the entire unit (like me years ago).
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