New key fob totally lost keys now engine won't recognize key

Asked by Pamela Sep 28, 2017 at 02:37 PM about the 2006 BMW 5 Series 525i Sedan RWD

Question type: Maintenance & Repair

Totally lost my key in my 2006 525i. Went to the
dealership got a new key. Dealer told me to put the
key in the ignition and hold it for 20 seconds and
then it would sink it. I did that and it didn't work it
came up with a key with a line through it. Well let
me just back up the battery was dead so I fully
charge the battery it's still coming up with a key
with a line through it and it's yellow what should I
do

3 Answers

Guru2H5NP answered 4 years ago

The same thing happened to me with my BMW 2007 525 I it's sat there for about a month when we lost the keys went to the dealership and he told me to hold him in for 30 seconds and then turn it over turn the key and it was cracking if you program and I got nothing to Yellow sign key sign with a line through it they don't tell me that they can tell it to the shop for $120 and then they could tell me whether it's the key or the car that is what I'm Keys you can't check the back can't cut take the battery out change it

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