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The BMW Range
3 Series
E90, E91, E92, E93
Coolant Temperature, Hidden Menu !!
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<blockquote data-quote="anaksarawak" data-source="post: 640673" data-attributes="member: 4851"><p><span style="font-family: 'Lucida Grande'"><span style="font-size: 10px"><span style="color: #323d4f">I have an N42 engine, a few months ago, I have minor block in coolant system and replaced the waterpump, thermostat radiator, elect fan, both gearbox and engine oil exchanger, oil </span></span></span><span style="font-family: 'Lucida Grande'"><span style="color: #323d4f">separator and last week did the </span></span><span style="font-family: 'Lucida Grande'"><span style="font-size: 10px"><span style="color: #323d4f"> vacuum pump and some gaskets/seals and the </span></span></span><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">plastic cover (back plate) at the rear of engine block. Now i find the coolant temperature to read 105C(!) </span></span></p><p></p><p><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">However, looking through the web all over for the thermostat rating got me confused. I see 90C and 102C, although some people mention 88-95C as per ICEDUKE.</span></span></p><p></p><p><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">So my question is ... what is the correct opening temperature for the N42/N46 thermostat?</span></span></p><p></p><p><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">If you happen to have similar engine, what is your normal/running coolant temperature? </span></span></p><p></p><p><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">105C may still be tolerable for the engine but it is giving me sleepless nights! </span></span><img src="http://www.babybmw.net/images/smilies/icon_redface.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>P.S. 6 potters engine are cooler so the questions is to all 4 potters engine owners</p><p></p><p><span style="color: #323D4F"><span style="font-family: 'Lucida Grande'">Thanks in advance!</span></span></p></blockquote><p></p>
[QUOTE="anaksarawak, post: 640673, member: 4851"] [FONT=Lucida Grande][SIZE=2][COLOR=#323d4f]I have an N42 engine, a few months ago, I have minor block in coolant system and replaced the waterpump, thermostat radiator, elect fan, both gearbox and engine oil exchanger, oil [/COLOR][/SIZE][/FONT][FONT=Lucida Grande][COLOR=#323d4f]separator and last week did the [/COLOR][/FONT][FONT=Lucida Grande][SIZE=2][COLOR=#323d4f] vacuum pump and some gaskets/seals and the [/COLOR][/SIZE][/FONT][COLOR=#323D4F][FONT=Lucida Grande]plastic cover (back plate) at the rear of engine block. Now i find the coolant temperature to read 105C(!) [/FONT][/COLOR] [COLOR=#323D4F][FONT=Lucida Grande]However, looking through the web all over for the thermostat rating got me confused. I see 90C and 102C, although some people mention 88-95C as per ICEDUKE.[/FONT][/COLOR] [COLOR=#323D4F][FONT=Lucida Grande]So my question is ... what is the correct opening temperature for the N42/N46 thermostat?[/FONT][/COLOR] [COLOR=#323D4F][FONT=Lucida Grande]If you happen to have similar engine, what is your normal/running coolant temperature? [/FONT][/COLOR] [COLOR=#323D4F][FONT=Lucida Grande]105C may still be tolerable for the engine but it is giving me sleepless nights! [/FONT][/COLOR][IMG]http://www.babybmw.net/images/smilies/icon_redface.gif[/IMG] P.S. 6 potters engine are cooler so the questions is to all 4 potters engine owners [COLOR=#323D4F][FONT=Lucida Grande]Thanks in advance![/FONT][/COLOR] [/QUOTE]
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