bosch alternator is better. get a bosch alternator.
Rockauto.com shows reman units, both Bosch and Valeo. As far as interchange with Bosch, I dont know, but worked at the dealer and they always asked if it was Bosch or Veleo because it could not be determined by Vin.
Make sure you’re getting a Denso alternator installed. The aftermarket ones are built shitty and will probably crap out on you again.
I managed to get a reman Bosch 150a/140a last year from Advance Auto for around $190.
I just replaced the one in my daughter's Mk 4 with a rebuilt 120A Bosch one from Rock Auto last week.
I would go Bosch if I had the option. Mine went out on a road trip. I had to go with what option was available at the auto store I was able to limp to. Lucky there was one close by but it was who knows what brand. It was my only option so I bought it. Probably duralast or something but it’s working 2 years later.
I had a car get flooded for 6 months and the Bosh alternator still worked perfectly for another 21 years. Would buy again
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.
I've gone through three Denso alternators in the last 4 years! This last one went almost two years before going out.
When my alternator went out I got an aftermarket that failed within the week. Afterwards I was told that the element alternator is in a spot that gets more heat than a normal car so it needs a higher temp solder. I got the denso oem after and it’s still good after 5 years
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