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11-06-2013, 10:48 AM | #265 | |
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Switched to M1 0W40, along with BPM Dev tune (not sure if the tune helps in anyway at all), have yet to hear the clank. Nothing else physically changed.
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11-06-2013, 10:53 AM | #266 |
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jeez this post is now 3 years old and most people have this issue and not one has blown up yet. think we can say this is just an oil pressure issue (no different from a slight knock immediately after changing oil)..
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11-06-2013, 02:02 PM | #267 |
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Personally, I'm not too worried about it.
The part I don't like is that some E9x don't do it at all... That's means it's "solvable" and related to something specific.
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11-06-2013, 02:04 PM | #268 |
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Double post
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11-16-2013, 07:07 AM | #269 | |
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However, I don't seem to have the idle rattle issues. I will monitor closely and take the car in for diagnosis next oil change, or sooner if the issue gets more frequent. 2012 production date 11/11 16,000 miles
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11-16-2013, 08:26 AM | #270 |
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I'm dropping to the end here but did anyone mention the bearing clearance and connecting rod clearance issue that these cars have...? Makes a ticking noise like you mentioned...could do it more on start up ... link below
http://www.m3post.com/forums/showthread.php?t=892838 |
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11-16-2013, 09:17 AM | #271 | |
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11-16-2013, 10:26 AM | #272 |
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Be careful...save the engine and lose the warranty? The one thing protecting us against the bearing clearance/connecting rod clearance problem is our warranty. If we do anything that voids it were out $$$ for the engine. BMW is still recommending the 10-60 and mysteriously the lower viscosity showed up on their webpage. As far as I know there is no official change or approval of that weight. So....if your service advisor does not agree (they don't know crap so probably wont) he will probably mark that you wanted a lower weight in your car and if it has problems than they will blame it on guess who? Hell I don't know ...but this car is expensive and a blown engine is no joke. I plan on changing the oil every 6 months ( I know the thickness of the oil is a possible reason for the starvation of the bearing due to small clearance) however, I am unsure what the lighter weight will do to other parts of the engine, and is it the weight or simply the breakdown of the oil due to heat? too many questions left unanswered.. Also, make sure nothing but 93 octane, as detonation has come up as another possible cause of the bearing problem, and lastly keep the warranty...LOL
Last edited by Cool Steel; 11-16-2013 at 10:55 AM.. |
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09-27-2014, 09:47 PM | #273 |
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Hi all,
Sorry to hijack this thread but im new to the forum and i cant seem to post a new thread. Hope someone can help....bought a used E90 M3 recently and have been havin the below issue before and after servicing... Only occasionally the car jerks continuously around the 3rd and 4th gear when i lift off the accelerator. Jerks go away when i accelerate. Is this a common issue? Mines a 2010 DCT model. Have changed spark plugs,engine and transmission oils. Tks alot |
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09-28-2014, 06:58 AM | #275 |
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though i would chime in on this.
2-3 weeks ago, i change the oil on my e92 m3 myself for the first time. always had it done at a shop, decided to do it myself this time around. the noise experienced after an oil change (most likely due to the lack of oil in the oil filter for a split second?) is much different then this. i paid extra attention to this as it has been mentioned before. had someone else start the car the first time while i listened. the noise experienced due to the lack of oil @ oil change is much more prolonged (1-2 seconds?) but also much quieter. ...yes, im 100% sure. |
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09-28-2014, 07:07 AM | #276 | |
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in all honesty, somehow i doubt this is the case.
reason being, after recording, and 'looking' at many different occurrences this 'noise' has taken place, there is actually 0.5 or so seconds between engine ignition (eg: firing on its own, w/o starter) and when the noise occurs. if it was related to the bearing clearances, i would think it would happen RIGHT away, only to subside after things get lubricated. the best idea i have regarding this is that about 1 second after cold star, the vanos makes various adjustments based on temperature and other factors. it appears this noise takes place during this initial adjustment. weather its related due to oil pressure, or the vanos units them selves i have no idea. yeah i know, quite a bit of guessing there... but i have spent a great deal of time reading / trying my best to deal with this, and thats the best i can come up with. what i can say for sure its 'oil system' related. as switching to 0w40 helped. running a bottle of ceratec over 5000KM helped even more (yes dont flame me... oil additive... but one of the few highly regarded ones). i have since switched back to 10w60 w/o any additives as i told myself that if it didnt solve it completely i would go back to 10w60. Quote:
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09-28-2014, 10:31 AM | #277 |
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12-25-2014, 05:58 PM | #279 |
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05-03-2017, 03:27 PM | #281 |
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Mine has never done it (but it doesn't ever get really cold in South Florida), but running 0W-40 oil isn't the solution unless you figure that a seized engine will no longer make any noise at all.
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10-16-2017, 06:44 AM | #282 |
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sorry, for again bumping this thread.
I also have this issue still after replacing about everything. Think I almost have found every thread related to this issue with no good outcome. I did my 088/089 bearing changed to 702/703 from Turner with WPC coating. Changed to new OEM crankshaft because clearance was at the aboslute upper limit and the two rear rods have higher clearance than the ones in front of the engine, all bolts, gaskets etc was replaced plus flywheel and clutch when the engine was out. The rattle for half a second after firing is here still, no faulty messages. Timing of the engine has been done twice since rebuild (with new cambolts). Running on castrol 10w60 changed 2 times last 3000km due to the rebuild and new parts. Local BMW workshop playing with my car like a labratory-rat and changing checkvalves, x-switching them etc. I think I am just another one of them that have to live with the problem. Car just hit 100.000km. |
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10-16-2017, 06:00 PM | #283 | |
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I saw it fixed only once . By replacing the Vanos-Gears (Puma-case)
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10-17-2017, 02:33 AM | #284 | |
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Is the issue common on also untouched engines? One thing that crossed my mind was debris from my worn crank and my oil-filter was kind a full of small particles which was not metallic. Even dough we cleaned and flushed as much as we have access to with diesel and brakecleaner before blowing it clean and fearly dry with air. Some of this debris might pile up somewhere up to the cams and vanoses causing less oilpressure to the vanoses. Engine rund perfectly after 3 seconds until the next day.. My car came from Belgium a year ago, you might know it, VIN PY29212 and Belgium registration 1-NKV-059.. |
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10-17-2017, 04:48 AM | #285 | |
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That's why I think it don't harms our S65 even when I hear it and think that sounds not healthy ! Like I said above , I saw it fixed only once and actually I don't understand it .Because BMW replaced the S65 Vanos-Gears by exactly the same Vanos-Gears and the noise was gone . It was in Jan. 2012 and it was a BMW Puma case and job was done under BMW warranty . When I DD my car I don't hear the noise , I hear it loud only when I store my car for several days in my garage . From what I heard DD don't have the noise . The paper from the Puma case and the Vanos-Gear replacement ...
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