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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E65 / E66 (2002 - 2008)

7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #51  
Old 08-23-2013, 07:52 PM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

You can use INPA, select e65 chassis > engine > n62 engine > status > then click on the analog and digital buttons to see different engine info etc. I'm going off the top of my head here but you'll get it

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  #52  
Old 08-23-2013, 08:31 PM
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Quote:
Originally Posted by KingSilverback View Post
The car has it's own on board sensor monitoring software, to access do this

1) Put the key in the ignition.
2) Press and hold the trip reset button. *ABS light comes on then goes out, keep holding the button in.
3) When the hidden service menu appears in the instrument binnacle, press trip button several times until option 19 'unlocking' is selected, then press and hold.
4) Tap until the number that is the cumulative number of the last 5 digits of the vehicle VIN added together (in my case 10) is shown, then press and hold to unlock menu.
5) Select desired option by pressing trip button, then access item by holding button in.
6) 'System Test' shows all dashboard symbols and graphics (quite cool!)
7)*To exit service menu, press and hold trip button from main menu.

in this case select the sensors option then you'll see your operating temp while driving.

I also updated my 1st post to tell how I installed mine
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  #53  
Old 08-24-2013, 01:37 PM
Ultimate_drivin Ultimate_drivin is offline
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How can I access to my 2005 645 to my hidden menu for the coolant temp
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  #54  
Old 08-24-2013, 01:46 PM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

Read the post above yours.

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  #55  
Old 08-24-2013, 02:11 PM
Ultimate_drivin Ultimate_drivin is offline
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Oh ok so that will also work for the e63 it's not only for e65
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  #56  
Old 08-24-2013, 05:44 PM
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BMW 90C Thermostat For N62, N63, N73 Engines

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Originally Posted by Ultimate_drivin View Post
Oh ok so that will also work for the e63 it's not only for e65
Well, this is the E65 forum, so you'd probably get a better answer in the E63 forum. But it's probably worth a try.


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  #57  
Old 08-24-2013, 07:44 PM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

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Originally Posted by SuperSnoop View Post
Well, this is the E65 forum, so you'd probably get a better answer in the E63 forum. But it's probably worth a try.


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LOL I was gonna say that but didn't wanna be called an A Hole this time.

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  #58  
Old 08-25-2013, 12:02 AM
Ultimate_drivin Ultimate_drivin is offline
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I honestly don't think this works for me nommatter what I do I can't get to the coolant temp
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  #59  
Old 08-25-2013, 04:21 PM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

..

Last edited by KingSilverback; 08-25-2013 at 04:23 PM.
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  #60  
Old 08-25-2013, 04:23 PM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

Took this a while ago while driving in the city was at 85-86C and it's hot as hell outside 94F Loving it.
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Last edited by KingSilverback; 08-25-2013 at 04:24 PM.
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  #61  
Old 08-25-2013, 06:35 PM
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BMW 90C Thermostat For N62, N63, N73 Engines

That's awesome


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  #62  
Old 08-25-2013, 07:48 PM
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BMW 90C Thermostat For N62, N63, N73 Engines

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Originally Posted by Ultimate_drivin View Post
I honestly don't think this works for me nommatter what I do I can't get to the coolant temp
Did you get the service menu?


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  #63  
Old 08-26-2013, 06:50 AM
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Can't wait for this mod!
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  #64  
Old 08-26-2013, 07:45 AM
Thesatman Thesatman is offline
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....tick-tock, tick-tock...waiting for my part to come in. :Cry:
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  #65  
Old 08-26-2013, 12:43 PM
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BMW 90C Thermostat For N62, N63, N73 Engines

Received mine this afternoon, unfortunately won't have time until Sat to put it in.


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  #66  
Old 08-26-2013, 02:12 PM
Thesatman Thesatman is offline
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Status updated today to "Shipped"...I am actually pretty anxious to do this mod. I have been trending my temperature and It has never gone above 103C and seems to open around 100C (ususally hovers around 99-100C. That is pretty wierd to me if it is really a 105C thermostat. That would mean it is never opening. It is damn hot here like 90-100F so a/c is always on too. I wonder if my current thermostat is "defective" in a good way or something.

Hard to tell for sure (carfax and dealer report doesn't show any either) but it doesn't look like any of the seals have ever been changed and there are no leaks anywhere on the motor.
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Mods = Powdercoated 149s, Black hood vent and kidneys, LED lighting update, BMW puddle lights (all doors), custom coding by "Triple_O_Coding" (including VIM), updated navi DVD from "PAPER", 90C hybrid thermostat.

Last edited by Thesatman; 08-26-2013 at 02:15 PM.
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  #67  
Old 08-27-2013, 09:26 AM
KingSilverback KingSilverback is offline
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

Quote:
Originally Posted by Thesatman View Post
Status updated today to "Shipped"...I am actually pretty anxious to do this mod. I have been trending my temperature and It has never gone above 103C and seems to open around 100C (ususally hovers around 99-100C. That is pretty wierd to me if it is really a 105C thermostat. That would mean it is never opening. It is damn hot here like 90-100F so a/c is always on too. I wonder if my current thermostat is "defective" in a good way or something.

Hard to tell for sure (carfax and dealer report doesn't show any either) but it doesn't look like any of the seals have ever been changed and there are no leaks anywhere on the motor.
My factory thermostat worked the exact same way, which is crazy because that's still hot as hell


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  #68  
Old 08-28-2013, 01:20 PM
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07 E63650i 07 E63650i is offline
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BMW 90C Thermostat For N62, N63, N73 Engines

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Originally Posted by TXSTYLE View Post
Can't wait for this mod!
Marcus, let me know how it works for you when you do it!


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  #69  
Old 08-28-2013, 01:54 PM
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Quote:
Originally Posted by 07 E63650i View Post
Marcus, let me know how it works for you when you do it!


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Yes sir. It is a damn shame and quite lame I might add that such a simple part can and DOES cause major problems in these cars! I get the whole 'running hot' equals lower emissions just due to physics. But I'm not buying in! Multiple car manufactures out there run at much lower temps all the while maintaining low emissions. I'm not gonna go into a flaming rant because overall, I am a huge BMW guy. I love the product. But I will 'modify' accordingly to suit my needs.
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  #70  
Old 08-28-2013, 04:16 PM
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07 E63650i 07 E63650i is offline
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BMW 90C Thermostat For N62, N63, N73 Engines

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Originally Posted by TXSTYLE View Post
Yes sir. It is a damn shame and quite lame I might add that such a simple part can and DOES cause major problems in these cars! I get the whole 'running hot' equals lower emissions just due to physics. But I'm not buying in! Multiple car manufactures out there run at much lower temps all the while maintaining low emissions. I'm not gonna go into a flaming rant because overall, I am a huge BMW guy. I love the product. But I will 'modify' accordingly to suit my needs.
Do you still have warranty on your 7? The only thing holding me back from modifying my thermostat is the fact that I have an aftermarket warranty in effect until 2017. I don't know if I should do it because I'm afraid of voiding the warranty if a cooling problem should arise.


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  #71  
Old 08-28-2013, 06:14 PM
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Re: BMW 90C Thermostat For N62, N63, N73 Engines

Quote:
Originally Posted by 07 E63650i View Post
Do you still have warranty on your 7? The only thing holding me back from modifying my thermostat is the fact that I have an aftermarket warranty in effect until 2017. I don't know if I should do it because I'm afraid of voiding the warranty if a cooling problem should arise.


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  #72  
Old 08-29-2013, 03:08 AM
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Quote:
Originally Posted by TXSTYLE View Post
Yes sir. It is a damn shame and quite lame I might add that such a simple part can and DOES cause major problems in these cars! I get the whole 'running hot' equals lower emissions just due to physics. But I'm not buying in! Multiple car manufactures out there run at much lower temps all the while maintaining low emissions. I'm not gonna go into a flaming rant because overall, I am a huge BMW guy. I love the product. But I will 'modify' accordingly to suit my needs.
Hasn't Germany gone greener lately?I mean quite a bit more than the USA?I also have read this is not the only manufacture running these kind of temps.I still think the temps are a result of emissions.Some very successful engine designs are abandoned simply because they can't make emissions.
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  #73  
Old 08-29-2013, 08:32 AM
Thesatman Thesatman is offline
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Quote:
Originally Posted by 07 E63650i View Post
Do you still have warranty on your 7? The only thing holding me back from modifying my thermostat is the fact that I have an aftermarket warranty in effect until 2017. I don't know if I should do it because I'm afraid of voiding the warranty if a cooling problem should arise.

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I just got mine in yesterday. Will install it over the weekend and post results next week. I wouldn't let the fact that you have an aftermarket warranty scare you away from this mod. The modded unit is the same as the stock and no one would ever know if you did the work and didn't tell them. When I was changing out the VANOS seals I saw where the thermostat is and after getting the covers out of the way it is easily accesible.
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Mods = Powdercoated 149s, Black hood vent and kidneys, LED lighting update, BMW puddle lights (all doors), custom coding by "Triple_O_Coding" (including VIM), updated navi DVD from "PAPER", 90C hybrid thermostat.
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  #74  
Old 08-29-2013, 08:54 AM
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rideme2 rideme2 is offline
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BMW 90C Thermostat For N62, N63, N73 Engines

My car runs cool as hellClick image for larger version

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After I changed both stac and add purple ice... Had no problem..


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  #75  
Old 08-29-2013, 09:14 AM
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BMW 90C Thermostat For N62, N63, N73 Engines

I'm doing this on Sat.. What should the coolant mixture be? 50/50
BMW coolant/Distilled water?


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