2ef7 Map Thermostat Activation

OK, have replaced thermostat, cleared the code, its been two days now and the code hasn't come back. So it looks like 2EF5 = New Thermostat:P Also the coolant I drained was almost clear:S Which id say means its probably never been changed and and all the anti-freeze has just died lol Shame on BMW, before I bought the car it had a full service history from BMW. When I bought it car had 115000 KM's and was 5 years old. I will probably change the coolant again in two years.

Tip for future DIY persons:P 1. Changing the thermostat is not easy (Took me a whole day to change the thermostat and coolant, I started working on it around 9:00am) Finished around 4 pm. Remove the radiator fan, makes life a lot easier. There is a special procedure for filing and bleeding the cooling system. There are articles on it around + it is in the Bently manual.

I followed the manual. Yea the t-stat is designed to fail open so an over heat situation cannot happen. To whoever said there is a known failure range for the water pump.there is NOT.

Feb 28, 2014 Hi and welcome to the BMW fault codes (hex code). Activation: 2CF6: throttle valve. Map thermostat, input signal: 2EF7: DME MAP THERMOSTAT. 2EF7 - (DME MAP THERMOSTAT, ACTIVATION) BMS Support Requests, Logs, Codes, and Help Me Threads. Before reading my answer below, please note that I do not receive any credit or compensation whatsoever for my time and effort until the green ACCEPT button is pressed. Those codes are both for the thermostat, so it likely needs to be replaced, or possibly the temp sensor is bad or there is internal leakage in the.

I've seen pumps fail at 20k and other go at 140k on the E9x. Since they are electric and not belt driven, there is no indicator for a failing pump. Although, I know a few people who have pulled codes from their DME indicating a reduced flow rate.

The pump failed within the next few months. So if you have a way to pull codes from the DME and you get one telling you there is a reduced flow rate, it's time to replace that pump! Yea the t-stat is designed to fail open so an over heat situation cannot happen. To whoever said there is a known failure range for the water pump.there is NOT.

I've seen pumps fail at 20k and other go at 140k on the E9x. Since they are electric and not belt driven, there is no indicator for a failing pump. Although, I know a few people who have pulled codes from their DME indicating a reduced flow rate. The pump failed within the next few months. So if you have a way to pull codes from the DME and you get one telling you there is a reduced flow rate, it's time to replace that pump!Thanks for that info, I have DIS, that's how I got the thermostat error as it does not throw a CEL. The fact of the matter is, that it is just way to expensive to just replace it as a part of preventive maintenance.

I'll just have to wait for it to die:P Plus working in that area of the car is not fun, it is quite tight. Thanks for that info, I have DIS, that's how I got the thermostat error as it does not throw a CEL. The fact of the matter is, that it is just way to expensive to just replace it as a part of preventive maintenance. I'll just have to wait for it to die:P Plus working in that area of the car is not fun, it is quite tight. How's the car??

Ion Discover Dj License Key Download. Any other issues>?? I got the same code 2EF5- Map thermostat, activation. But my car has only 14k, almost new. Not sure if to would be the t-state since there are only 14000 miles on it. Any thoughts on that?? - - - Updated - - - Actually the code is 2EF7 map thermostat - activation.