Question on Battery Replacement and Battery Tender Installation

[sarom058]

On my way home, the car started feeling weird. Below are the issues I'm having. Although some may be unrelated to the battery, and I have an idea on some, I'd love to get some second opinions. I think the rev hang is likely due to a vacuum leak, but I have to replace the alternator before I can troubleshoot that.

The power steering is not working fully disabled, was working perfectly before
Radiator fan won't turn on in high speed
Trunk release stopped working.
Tire pressure light flashing
Battery light is on likely due to deep-fried alternator
Engine idles at 1500rpm vacuum leak?
Nasty case of rev hang. if I rev it to 2.5k at idle, it'll stay at 2.5k for 5-6s

I have already checked every fuse in the passenger & engine compartment except FL fuses, which are not transparent before the new battery ran out of juice. The F37 door lock fuse was blown, and the F05 5A fuse was a 10A fuse for some reason. Both have been replaced with the correct fuse. Master list of cabin fuses here, for anyone who might need this in the future, by the way.

My questions are as such:
What does battery compartment F100 fuse control?
What stores can I buy high-current inline fuses? Already tried O'Reilly's, Autozone, and Fry's Electronics. Is there any sense in replacing F100, FL2 & FL4 for piece of mind?
What are the "first few" points to check for rev hang issues, other than FRP/associated vacuum tubing, intercooler boots, and PCV?


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This post was auto-generated based upon a question asked on our tech article page here: MINI Cooper Battery Replacement and Battery Tender Installation (R50/R52/R53 2001-2006) | Pelican Parts DIY Maintenance Article

[Nick at Pelican Parts]

if the fuses are not blown, do not replace them. The rear fuse powers the front fuse panel, then beneath it are more fuses. if no fuses are blown, you likely damaged control modules by connecting the batery backward.

- Nick