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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 11-20-2012, 02:14 AM
poezzz poezzz is offline
Registered User
Location: Carrboro n.c.
Join Date: Nov 2012
Posts: 1
Mein Auto: 1999 323is
warning lights showing on the computer

I have warning lights showing on my computer that my brake lights are burned out and they are working fine. Also show coolant is low but it is OK.
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Old 11-20-2012, 03:38 AM
mgoods50 mgoods50 is offline
OBDI Junkie
Location: Nashvegas
Join Date: Nov 2012
Posts: 74
Mein Auto: E36 M3
It's your brake switch. You have either a four wire switch or a three wire. The only way to tell is to look. Here's the DIY http://www.pelicanparts.com/bmw/tech...ake_Switch.htm. Break the old one off with a big set of pliers-- its a PITA to remove. The warning message states "Brake circuit failure" right?
Coolant message could be harness fallen off connector, or bad sensor. Take a look along the passenger side, at the bottom of the reservoir to ensure the connector / harness is plugged in. Sometimes they will work loose, and other times the clip part is broken and will let the thing work loose from vibration. Here's a picture of the location I copied from a site that was a banned link for some reason
image sharing
It's not what you buy, it's what you build- Unknown
EN90283 - Stabled for HG repair
DH06247 - Running like a champ

Last edited by mgoods50; 11-20-2012 at 03:46 AM.
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