tach wire, 2003 bmw 525i

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=86509
Printed Date: May 03, 2025 at 8:34 PM

Topic: tach wire, 2003 bmw 525i

Posted By: mauri197
Subject: tach wire, 2003 bmw 525i
Date Posted: December 01, 2006 at 6:35 PM

i need to find the tach wire for a 2003 bmw 525i my info says diagnostic plug under hood it would be nice if the big round plug was there like every other beemer ive done tanx

Replies:

Posted By: Ween
Date Posted: December 01, 2006 at 7:05 PM

hi,

try the data link connector under the drivers side dash....black wire if i recall correctly.

mark

Posted By: mauri197
Date Posted: December 01, 2006 at 7:14 PM

tanx for the quick reply know i have another problem i installed a avital 4300 dei everything works exept remote start all it does it just clicks the starter i reprogramed tach i also increased the starter output from .6 to .8 so i said 1.2 and nothing car starts fine with the key any help

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