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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > My N20 died at 72k miles
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      08-03-2017, 07:38 AM   #419
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Quote:
Originally Posted by etinifni View Post
Just saw this and thought it might be of interest to some of you.

https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
Need to sticky this link to the first post of this thread!!!!!!!!
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      08-03-2017, 06:32 PM   #420
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what does this whine sound like, is it only on cold or at certain revs, got a used 2014 with this engine and want to make sure its ok, i have warranty till next year
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      08-04-2017, 12:03 AM   #421
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Quote:
Originally Posted by etinifni View Post
Just saw this and thought it might be of interest to some of you.

https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
3/2013 ??

So 2014 or + model shouldn't suffer this problem..
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      08-04-2017, 03:27 AM   #422
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I wouldn't bet on it.

NBT should be included in all MY2014 vehicles and even some MY2013 (mine ) , but still there are MY2014 with old CIC. So, they will not throw away "old" parts - they will use it as long as they have it.
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Last edited by Delija; 08-05-2017 at 06:13 AM.
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      09-09-2017, 10:48 PM   #423
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Exclamation N20 Timing Chain Failure 528i

Quote:
Originally Posted by etinifni View Post
Just saw this and thought it might be of interest to some of you.

https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
Lol I was the one that asked for BMW tech to post it. My local dealer showed me the bulletin but wouldn't provide me a copy.
2012 528i xDrive also had timing chain issue at 72k miles. Problem was there for many miles before 72k, but I always thought the noise was normal, until I read that it wasn't and started getting louder. Paid for repair out of pocket, no warranty
here's my thread if you want to read
http://www.bimmerfest.com/forums/sho....php?t=1012721
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      09-27-2017, 11:46 AM   #424
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I posted the following message on another thread but thought that this information was relevant here as well.

Several law firms with a lot of automotive class action experience filed a class action against BMW for the N20 timing chain defects last week. These are the same lawyers who are also involved with the VW/Audi timing chain class action. Here is the site- https://defectiveconsumerproducts.wordpress.com

Attorney Sobran is a former factory trained mechanic and seems pretty knowledgeable. He said that other victims of the timing chain defect are welcome to participate.
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      10-09-2017, 08:26 PM   #425
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Quote:
Originally Posted by Kronk View Post
My F30 328i had been problem free since I took delivery of it in April 2012. Never had a problem and was always properly serviced and well-maintained.

Suddenly, I get a low oil pressure warning and the car went into limp mode. I pulled over and had it towed to the local BMW service center. They weren't able to get the engine started and I was told that I was lucky the car went into limp mode because that would prevent further engine damage.

The next day I was told they were able to get the engine turned over but that it was making strange noises indicating a timing issue and that they would need to inspect the valves. Later that day I get a call saying the camshaft was snapped and there was metal and plastic all over the engine and that it would need to be replaced. They're not sure what caused this. But I was quoted a price of over $20,000 for parts and labor to repair it.

Has anyone had something similar happen? Needless to say I am shocked that my well-maintained car essentially exploded on me without warning.
My drive chain malfunction signal came last week and after taking to the dealer I was told that the timing chain needs to be replaced. So, BMW Mississauga replaced the timing chain and oil pump chain. After bringing the car back it was idle for 3 days and when started the car after 3 days there were smokes all around my garage and now I am really scared of keeping this vehicle. What would you guys suggest???? Has anyone any issue after the timing chain has been replaced??? Please let me know
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      10-09-2017, 08:35 PM   #426
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My BMW X3 timing chain and oil pump chain was replaced last week at 86,000 KM but did not change the engine. I am in Toronto and do you think that I should pressure BMW dealer to replace the engine.
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      10-09-2017, 08:46 PM   #427
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Quote:
Originally Posted by Kronk View Post
My F30 328i had been problem free since I took delivery of it in April 2012. Never had a problem and was always properly serviced and well-maintained.

Suddenly, I get a low oil pressure warning and the car went into limp mode. I pulled over and had it towed to the local BMW service center. They weren't able to get the engine started and I was told that I was lucky the car went into limp mode because that would prevent further engine damage.

The next day I was told they were able to get the engine turned over but that it was making strange noises indicating a timing issue and that they would need to inspect the valves. Later that day I get a call saying the camshaft was snapped and there was metal and plastic all over the engine and that it would need to be replaced. They're not sure what caused this. But I was quoted a price of over $20,000 for parts and labor to repair it.

Has anyone had something similar happen? Needless to say I am shocked that my well-maintained car essentially exploded on me without warning.
Quote:
Originally Posted by mysticwizard View Post
My 428i (april 2014) has 60.000km on the clock and last week the oil pump and timing chain have been replaced. I had luck that I heard a high pitched noise the last couple of weeks, which wasn't normal and was I just on time to replace the parts. Otherwise an engine blow wouldn't have been far away...
Luckily all of this (3 days of work + parts) have been covered under warranty by BMW, altough my car is almost 3 years old and the standard warranty is already expired.
With the new improvements on this timing chain, this problem should be solved... Crossing fingers...
How is vehicle performing after timing chain has been replaced? I had my timing chain and oil pump change replaced last week but now really concerned about the performance and dependability of the vehicle.
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      10-10-2017, 07:07 PM   #428
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Quote:
Originally Posted by roneyX3 View Post
My drive chain malfunction signal came last week and after taking to the dealer I was told that the timing chain needs to be replaced. So, BMW Mississauga replaced the timing chain and oil pump chain. After bringing the car back it was idle for 3 days and when started the car after 3 days there were smokes all around my garage and now I am really scared of keeping this vehicle. What would you guys suggest???? Has anyone any issue after the timing chain has been replaced??? Please let me know
Go to the dealership and report back please.
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