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XBimmers | BMW X3 Forum BMW X3 and X4 Forums | F25 (2011 - 2017) | F26 (2014 - Current) Second Generation BMW X3 (F25) General Forum anybody knows what is going on with the BMW N20 AND N26 ENGINE LAWSUIT right now?

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      04-06-2020, 08:30 PM   #67
E92B1MMER
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Quote:
Originally Posted by bimmer67 View Post
Thank you...

Agree.... I just replaced oil pan gasket on 2009 128i MT with 75K miles.
My e46 didn't have any seepage when it was 10 yo and about 70K on it.

And here I'm with 2014 53K miles...

Pics are not great since I wasn't planning to post them.
I have the exact same issues with my 2013 X3 xDrive 78K, oil pan leak, excess oil covering transfer case. Do you have any more info on these leaks? Also, my Start/Stop doesnt work most of the time for me. I am guessing somewhat it's related to the transfer case leak as car delays shifting from cold start to go.
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      04-25-2020, 10:11 PM   #68
marktwain54321
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It's interesting BMW approves the use of "plastic" parts in their engines. They pay engineers to calculate the MTBF on every part. In this case, a 3rd party company that manufactured the chain tensioner is possible the blame for a weak chain tensioner. Weak chain tensioner allowed chain to oscillate causing vibrations in the chain, which resulted in the likelyhood slip on the gear teeth, faster wear, and additionally caused micro cracks in the plastic guide leading to total failure of timing chain assembly and worse destroyed engine.
There are owners of older BMWs with the M54 engine with over 180K miles and they have no timing chain issues.

Placing plastics parts in their engines, is like planning for failure? I would call that = "Extreme capitalism!" A longer lasting vehicle would mean less continued maintenance, and fewer sales on new vehicles. One of BMW sales tactics is to steer the consumer from the high cost of repair/s into a new vehicle.

Perhaps BMW documentation will show they approved a design change request in the chain tensioner from the 3rd party company. Perhaps different spring material was suggested, perhaps mass/size of spring coils, perhaps they didn't account for heat weakening the new spring degrading it's performance causing malfunction to the chain tensioner, directly affecting the timing chains function which can lead to total loss of engine.

There are many models affected by this issues, a recall would place a big dent in BMW profits.

Last edited by marktwain54321; 04-25-2020 at 10:53 PM..
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      05-08-2020, 09:55 PM   #69
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Originally Posted by marktwain54321 View Post
<> a recall would place a big dent in BMW profits.
I hope that is exactly what is going to happen... And maybe they'll learn something from it.
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      05-10-2020, 06:30 AM   #70
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Currently in the market for a CPO X3 and stumbled across this thread which has me a bit worried.

I have been looking at a 2017 X3 xDrive28i with 30k already on it. Would the same issues plaguing the 2013 N20s on this thread still be common on a 2017?

Last thing I want is to purchase a car only to break down and have to replace the engine in the not too distant future.
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      05-10-2020, 07:14 AM   #71
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Quote:
Originally Posted by bsaez4 View Post
Currently in the market for a CPO X3 and stumbled across this thread which has me a bit worried.

I have been looking at a 2017 X3 xDrive28i with 30k already on it. Would the same issues plaguing the 2013 N20s on this thread still be common on a 2017?

Last thing I want is to purchase a car only to break down and have to replace the engine in the not too distant future.
Cars manufactured after 1/15 have the updated timing components.
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Last edited by shoman24v; 05-11-2020 at 04:53 PM..
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      05-10-2020, 07:16 AM   #72
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The timing chain guide assembly was redesigned around 2015, you should be ok with later model car.
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