M50 Coolant sensor (ECU)
Moderator: martauto
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ShonkyBob
- E30 Zone Newbie

- Posts: 14
- Joined: Sun Sep 12, 2010 11:00 pm
Hi, there appears to be two coolant sensors on the head, one a few inches from the front of the engine and the other a couple of inches further back, which one is for the ECU?
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herlsy
- E30 Zone Newbie

- Posts: 19
- Joined: Thu Apr 23, 2009 11:00 pm
- Location: Taplow, Bucks - Memphis, USA
The one for the ECU usually has a blue connector on it. I also think it has 2 pins instead of 1(coolant gauge).
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ShonkyBob
- E30 Zone Newbie

- Posts: 14
- Joined: Sun Sep 12, 2010 11:00 pm
Cheers, I'll have a look later. They both looked like 2 pin connectors so I'll pull the plugs offherlsy wrote:The one for the ECU usually has a blue connector on it. I also think it has 2 pins instead of 1(coolant gauge).
