signs of F30 N20/N26 timing chain issue, and OCI to the rescue? - Page 5 - Bimmerfest - BMW Forums



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  #101  
Old 05-05-2017, 07:36 AM
GandalfTheGrey GandalfTheGrey is offline
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So I just got my F30 a month ago but have seen people mention that newer F30s (built in mid-2015 or so) would have probably (or definitely) received the "new" TC. My F30 was built in May 2014 and the full maintenance records the dealer gave me don't indicate anything about a TC replacement. I assume it's a safe assumption that I still have the previous part number? Still >1 yr left on factory warranty + the 2 year CPO warranty after that so it's not really a concern for me, it doesn't hurt to be diligent.

Last edited by GandalfTheGrey; 05-05-2017 at 07:37 AM.
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  #102  
Old 05-05-2017, 10:11 AM
F10-N52 F10-N52 is offline
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I wouldn't feel comfortable keeping it out of warranty unless the TC is replaced to be honest. You can probably get away with it if you don't rev the engine very hard too often and change oil every 5-7000 milesn
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  #103  
Old 05-05-2017, 10:16 AM
namelessman namelessman is offline
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Quote:
Originally Posted by imtjm View Post
conjecture, conjecture. we can put superfluous numbers out there all day long, but they are meaningless. but i understand your point.
My coworker made an interesting comment this morning, "Hmm, it looks like this N20 engine may need colonoscopy."

That actually makes sense, and it is relatively cheap that BMW should cover it, as free annual preventive checks.
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  #104  
Old 05-05-2017, 10:47 AM
Michael Schott Michael Schott is offline
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Quote:
Originally Posted by F10-N52 View Post
I wouldn't feel comfortable keeping it out of warranty unless the TC is replaced to be honest. You can probably get away with it if you don't rev the engine very hard too often and change oil every 5-7000 milesn
I'm sorry but I can't agree in any way or shape. Mine had 65,000 miles when I turned it in at lease end. It was driven to redline on a regular basis and I changed the oil every 10,000 miles. It was a 2014 and there were zero issues. I trusted that motor 100%.
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  #105  
Old 05-05-2017, 10:51 AM
F10-N52 F10-N52 is offline
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I've heard some of them making it past 80k with no issues, but just the fact we're reading all these examples of ones failing right after you turned yours in makes me not trust the motor.

For the record I change oil every 5000 miles, but I redline my engine on regular basis.
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  #106  
Old 08-05-2017, 09:36 AM
namelessman namelessman is offline
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FYI BMW now has a SIB 11 03 17 dated 2/2017 on timing chain replacement on any 320i/328i still under new car warranty or CPO.

This is not a recall nor ELW. The engine noise needs to match a sound file in TIS, and repair needs to be authorized by BMWNA.

https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
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  #107  
Old 08-05-2017, 04:50 PM
nedmon nedmon is offline
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My car, 2013 328i is one of the vulnerable ones. CPO until 2019 takes care of the immediate threat but I'm not sure I would be comfortable carrying that risk after the warranty is up.

You could make a case for cut and run now
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  #108  
Old 08-06-2017, 10:53 AM
namelessman namelessman is offline
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Originally Posted by nedmon View Post
My car, 2013 328i is one of the vulnerable ones. CPO until 2019 takes care of the immediate threat but I'm not sure I would be comfortable carrying that risk after the warranty is up.

You could make a case for cut and run now
Yes mine is MY13 too, my strategy is to keep my ears and eyes open. From all accounts this TC issue will not show up overnight, but will have telltale signs(e.g. unusual whining at all rpm's , visual wear marks on TC) for a while.

It is true once worn it is a matter of time, and without ELW from BMWNA it will be costly to fix.
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  #109  
Old 08-06-2017, 06:46 PM
tornadobox tornadobox is offline
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Quote:
Originally Posted by namelessman View Post
FYI BMW now has a SIB 11 03 17 dated 2/2017 on timing chain replacement on any 320i/328i still under new car warranty or CPO.

This is not a recall nor ELW. The engine noise needs to match a sound file in TIS, and repair needs to be authorized by BMWNA.

https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
Anyone have the sound file? I didn't see it linked in the article.
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  #110  
Old 08-06-2017, 08:53 PM
namelessman namelessman is offline
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Originally Posted by tornadobox View Post
Anyone have the sound file? I didn't see it linked in the article.
bmwtechnician does not post any sound file from TIS, probably not to violate BMW policies? In the other link quoted in post#1 there are utube videos with audio of the high-pitch whining.
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  #111  
Old 08-09-2017, 10:33 PM
ANGIE177 ANGIE177 is offline
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Quote:
Originally Posted by F10-N52 View Post
Most likely it's because of overly long OCI intervals.

But 100+mph pulls? I used to do that all the time. I do change my oil every 5000 miles though... I just wonder why the outgoing n52 doesn't seem to have these issues.

We need to wait until more people reach 80k on the n20.

I have 82k on a 2013 f30 and im having major issues. We were wondering what that whining noise was ... i guess i know now. Is this timing belt expensive to replace? Im in the process of replacing blown struts, this thing is getting to be pretty costly to say the least
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  #112  
Old 08-10-2017, 02:07 AM
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mr_clueless mr_clueless is offline
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Originally Posted by namelessman View Post
Yes mine is MY13 too, my strategy is to keep my ears and eyes open. From all accounts this TC issue will not show up overnight, but will have telltale signs(e.g. unusual whining at all rpm's , visual wear marks on TC) for a while.

It is true once worn it is a matter of time, and without ELW from BMWNA it will be costly to fix.
Can/does the service dept check for this wear during regular service?

I do occasionally get weird whistling/whining noises under hard acceleration, but I've been ignoring it.
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  #113  
Old 08-10-2017, 06:38 AM
mysticwizard mysticwizard is offline
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A couple of months ago I also experienced problems with my N20 F32 MY 2014.
I heard the "whining" noise from the timing chain and went to my dealer.
They changed the oil pump and timing chain, luckily under warranty. My car had 65.000 km and was 3 months out of warranty...

Are these new components completely different or just the same as the original parts? Is there a possibility that I will experience the sames problems within f.o. 65000km or will my engine last longer this time?
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  #114  
Old 08-10-2017, 04:26 PM
namelessman namelessman is offline
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Quote:
Originally Posted by mr_clueless View Post
Can/does the service dept check for this wear during regular service?

I do occasionally get weird whistling/whining noises under hard acceleration, but I've been ignoring it.
One option is o bring it up to service and ask them to check against the sound file on TIS.
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  #115  
Old 08-10-2017, 05:23 PM
namelessman namelessman is offline
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Originally Posted by ANGIE177 View Post
I have 82k on a 2013 f30 and im having major issues. We were wondering what that whining noise was ... i guess i know now. Is this timing belt expensive to replace? Im in the process of replacing blown struts, this thing is getting to be pretty costly to say the least
The local Indies quote $2k to replace upper and lower timing chains, plastic rails, oil pump, and miscellaneous parts.

It sucks this TC now becomes an expensive maintenance item.
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  #116  
Old 08-21-2017, 01:40 PM
saxman42 saxman42 is offline
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I'm seriously considering buying one of two CPO 2015 328is. One was built in mid 2014 and the other was built in early 2015. According to the document, this should be less of a concern for models built after 02/2013, right? This potential $20k repair cost down the road has be scared enough that I might just go for a completely different car altogether. I was hoping to baby this car and keep it for many years to come.
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  #117  
Old 08-23-2017, 09:27 AM
spyked spyked is offline
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Very strange. That BMW file says for vehicles produced before 3/2013. All this time we were thinking the issue affected cars built before January 2015. What's up with that?

And why is the wagon not affected? Covers all other platforms that use the N20/26 but not the F wagon? Weird.
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Last edited by spyked; 08-23-2017 at 09:29 AM.
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  #118  
Old 08-24-2017, 05:48 AM
BONBONIZER BONBONIZER is offline
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Timing Belt\chain change or replacement interval recommendation

Hi All,

I am new to BMW owner world, I was wondering does BMW recommend an interval when they would like us to change the timing belt\chain on the car.

My car is

328i 2012 F30 model Luxury trim.

I bought it 2nd hand had 80000 on the clock and a year later its on around 92000. Do I need to start worrying about the timing belt\chain around now ?
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  #119  
Old 08-24-2017, 08:56 AM
namelessman namelessman is offline
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The dealer SAs said there is no recommended TC change interval, they said just keep listening to any high pitch whine and bring it in when in doubt.

One option is to familiarize one self with the sounds as shown in links of post#1, and visually inspect the chain regularly to look for excessive wear marks, and watch out for increased slack/play between each visual inspection.
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  #120  
Old 09-23-2017, 05:55 PM
namelessman namelessman is offline
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Quote:
Originally Posted by Michael Schott View Post
Don't be nervous. There are a few folks here pushing a false narrative. Nothing more.
My SA pulled up my VIN to check maintenance intervals on AT fluid, and interestingly my key data now shows a new entry on 9/21/2017, of an ELW on timing chain and drive chain for oil pump, for 7 years/70000 miles per SIB 11 03 17.

It appears BMWAG/BMWNA does not believe the few folks here who brought this up are pushing false narrative.
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  #121  
Old 11-27-2017, 02:37 AM
BONBONIZER BONBONIZER is offline
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Quote:
Originally Posted by namelessman View Post
The dealer SAs said there is no recommended TC change interval, they said just keep listening to any high pitch whine and bring it in when in doubt.

One option is to familiarize one self with the sounds as shown in links of post#1, and visually inspect the chain regularly to look for excessive wear marks, and watch out for increased slack/play between each visual inspection.
Thank you, will follow advice.
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  #122  
Old 12-07-2017, 02:21 PM
Morpheus991 Morpheus991 is offline
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I got a letter in the mail a few days ago from BMW confirming the extended warranty to 70k

Sent from my unknown using Bimmerfest mobile app
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  #123  
Old 12-07-2017, 02:32 PM
namelessman namelessman is offline
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Originally Posted by Morpheus991 View Post
I got a letter in the mail a few days ago from BMW confirming the extended warranty to 70k
Interestingly my letter has not arrived yet, but key data shows the ELW on TC.
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