Question

2004 BMW x5 e53 has a breathelizer attached. battery died and replaced and registered. blew into breathalizer ( a valid non alcohol sample) but car wont start. tried to jumpstart it but still wont start??  took it to the breathalizer company, their machine is not the problem. how can i troubleshoot this ?

Odometer
unknown

Answers

It's usually just wired into the ignition.  Can you remove it, assuming it isn't yours?