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Old 08-08-2023, 02:15 PM
Bdc101 Bdc101 is offline
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Quote:
Originally Posted by oldskewel View Post
Faults in the system outside of the key can cause the remote entry to not work. So it would be an expensive test to buy a new dealer diamond key and have that not work.

Here are a couple of threads, with relevant info on keyless entry problems and solutions I've used on my 2001.

First one is how I got used diamond keys off eBay for $15 each and use them as key fobs, paired with genuine valet keys bought from thebmwminipartstore.com
https://xoutpost.com/bmw-sav-forums/...ml#post1079644

This one is how I replaced the rechargeable batteries in two of my fobs once they became weak. Extensive testing on charging solutions.
https://xoutpost.com/bmw-sav-forums/...r-options.html

@Qsilver7 has great posts on here somewhere with exact instructions on the programming of the fobs. Unfortunately, the entire system can be perfect and a simple mistake in the programming procedure will simply fail without letting you know why.

My system has become completely unresponsive -- none of the re-pairing works on either of my fobs. I had to repair a broken wire going to the third brake light, so I am going to get out the multimeter and test all the wires going to the FZV next. The FZV can't be read by my Foxwell or my PA Soft so I don't think there's any way to tell if it's working unfortunately. I called the guy at BMWGM5 (Scott) and he said to verify all those wires first. I just need to find a pinout first.


I have an inkling that my 20-year-old fob batteries are dead (one never worked and one worked sporadically for the first 5 years of ownership) and that my FZV is also not working.
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2003 3.0 5MT Topasblau
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2012 35d Platingrau
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