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Search took 0.01 seconds. Search: Posts Made By: cmyachtie
Forum: X5 (E53) Forum 03-24-2017, 04:34 AM
Replies: 125
Views: 50,570
Posted By cmyachtie
Finally did run a full tank straight 87 and find...

Finally did run a full tank straight 87 and find that my sweet spot appears to be 89 as I still encountered two bad starts with the 87. I realize this is not the best scientific conclusion as weather...
Forum: X5 (E53) Forum 03-04-2017, 07:02 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
+1....LOL

+1....LOL
Forum: X5 (E53) Forum 03-04-2017, 04:15 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
I am just as puzzled as you are ,having suffered...

I am just as puzzled as you are ,having suffered from these random misfires sinceI got this car for 5 yrs now and only in winter, always run Esso 91 octane which is recommended by BMW for the 545i...
Forum: X5 (E53) Forum 03-03-2017, 11:24 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
UPDATE. Been a whole month now on mostly...

UPDATE.

Been a whole month now on mostly octane 89 and no misfires to speak of, however it has been an unusual and rather mild February in my neck of the woods....
Forum: X5 (E53) Forum 02-20-2017, 12:46 PM
Replies: 20
Views: 7,586
Posted By cmyachtie
This maybe a long shot for the E53 but the E60...

This maybe a long shot for the E53 but the E60 has a vacuum operated a exhaust valve near the tailpipes that open up under increased vacuum when engine revs over a certain rpms maybe that valve is...
Forum: X5 (E53) Forum 02-20-2017, 12:44 PM
Replies: 17
Views: 4,024
Posted By cmyachtie
This maybe a long shot for the E53 but the E60...

This maybe a long shot for the E53 but the E60 has a vacuum operated a exhaust valve near the tailpipes that open up under increased vacuum when engine revs over a certain rpms maybe that valve is...
Forum: X5 (E53) Forum 02-05-2017, 01:12 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
So just to keep you'll up to date, am now on my...

So just to keep you'll up to date, am now on my second tank with Esso 89 instead of the usual #91 and thus far no more misfire codes, stumbles somwhatnstill on cold mornings but looks like my engine...
Forum: X5 (E53) Forum 01-19-2017, 09:44 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
Will do, am @half tank now will be next week...

Will do, am @half tank now will be next week sometime.
Forum: X5 (E53) Forum 01-18-2017, 10:19 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
That is even more confusing for me as I have...

That is even more confusing for me as I have noticed having a lesser problem when I have a bottle of red line injector cleaner in my tank with 91 and I believe that would be just the opposite octane...
Forum: X5 (E53) Forum 01-18-2017, 07:33 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
I think I tend to agree about the uneven filling,...

I think I tend to agree about the uneven filling, however can you explain what if anything we can do about that?
I have just about eliminated any potential causes I have read about on the coldstart...
Forum: X5 (E53) Forum 01-03-2017, 05:07 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
No fault codes or stumbles at startup but posted...

No fault codes or stumbles at startup but posted vid of valve stroke set points at cold start here:
https://youtu.be/AArs1kr9Dak

2. mm setting

Here is the set point after warm engine has been...
Forum: X5 (E53) Forum 01-03-2017, 08:02 AM
Replies: 125
Views: 50,570
Posted By cmyachtie
FWIW.....I don't think snow insulation is a...

FWIW.....I don't think snow insulation is a factor, in my experience the cold start problem is totally random except for the cold ambient temps being a constant and even then not always......
I am...
Forum: X5 (E53) Forum 12-29-2016, 11:26 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
Just posted two videos on YouTube showing my set...

Just posted two videos on YouTube showing my set point readings, idle when cold is.80 as well as when driving and not accelerating.
When accelerating it increases substantially.
Also worth...
Forum: X5 (E53) Forum 12-29-2016, 07:58 AM
Replies: 125
Views: 50,570
Posted By cmyachtie
Just to add my experience my endings has only...

Just to add my experience my endings has only 119000km on the clock and my cold start issues are totally random only common denominator is cold ambient temp (freezing or close to it) and it seems to...
Forum: X5 (E53) Forum 12-20-2016, 09:59 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
I did have it on first thing a couple of weeks...

I did have it on first thing a couple of weeks ago after my first case this season and it (valve lift number)was all over the place , it kept changing like totally variable, Will give it another go...
Forum: X5 (E53) Forum 12-20-2016, 07:20 AM
Replies: 125
Views: 50,570
Posted By cmyachtie
Mine is now set at .80 currently which I believe...

Mine is now set at .80 currently which I believe to the "default", as I have had a kombi software issue for which I had the car at the dealer recently.
Which also supports my theory that although...
Forum: X5 (E53) Forum 12-19-2016, 11:49 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
I also have read about this on many different...

I also have read about this on many different forums and have played around with valvetronics settings can't say with certainty that it made much or any difference for me, however when the first time...
Forum: X5 (E53) Forum 04-29-2016, 06:01 AM
Replies: 8
Views: 2,698
Posted By cmyachtie
I heard to use Vaseline to grease the o ring...

I heard to use Vaseline to grease the o ring never silicone spray/grease!!
Forum: X5 (E53) Forum 02-20-2016, 04:40 PM
Replies: 125
Views: 50,570
Posted By cmyachtie
My setting has been at the .8 setting for at...

My setting has been at the .8 setting for at least the last 4 yrs and get a couple of the misfires every winter not enough to really go crazy fixing it but read on this thread about replacing the o...
Forum: X5 (E53) Forum 02-20-2016, 06:01 AM
Replies: 125
Views: 50,570
Posted By cmyachtie
Just signed up here, was googling my E60 N62 real...

Just signed up here, was googling my E60 N62 real cold starting issues and ended here....interesting thread!
FWIW, for those being concerned about the .8 mm setting being "out of spec", when I...
Showing results 1 to 20 of 20

 
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