97’ bmw transponder problem
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=41310
Printed Date: May 07, 2025 at 7:02 AM
Topic: 97’ bmw transponder problem
Posted By: mxxmikexx
Subject: 97’ bmw transponder problem
Date Posted: October 20, 2004 at 4:13 PM
recently installed an alarm/remote start in a 97 bmw 325I, customer is complaining that you cannot start the car with the key, however if you remote start the car then shut it down, the car will allow you to start it ONE time with the key, then after that it will not let you start it with the key, until you cycle it again like i just said, (start with remote, shut down, start with key one time), i havent seen the vehicle yet, just wanted to get some advice ahead of time on this. im assuming it has to be something with the transponder interface (used a dei 555B), havent worked on many bmw's so any advice from somene with experience with bmw would be appreciated!!!, would i be better off using a regular key box with antenna ring, instead of the 555b that hardwires into the factory antenna ring wiring?
Replies:
Posted By: mo12v
Date Posted: October 20, 2004 at 4:19 PM
sounds like a wire is reversed or not connected
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MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
Posted By: mainormoscoso
Date Posted: October 20, 2004 at 5:49 PM
double check the concectios to the transponder box, bmw will let you start the car for a few seconds without looking for a transpoder the car is not seeing the key in the ingnition, wing type of transponder boxes will not work on this car, I just did one last week same year
Posted By: mxxmikexx
Date Posted: October 20, 2004 at 6:43 PM
mainormoscoso: what do you mean by "wing type of transponder boxes"?
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