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      03-04-2020, 06:30 PM   #1
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Engine in the X5M50i Major Issues??

I'm about to purchase a2020 X5M50i and I have heard that there have been MAJOR issues with this engine after searching the web.

It's not only one acticle but several that talk about the major issues that have not been addressed by BMW.

I would be very interested to hear some feedback before I spend 90K

I understand that people may not want to discuss issues like this because this after all a pro BMW forum but I rather be safe than sorry.

Thanks for your input.
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      03-04-2020, 07:15 PM   #2
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What MAJOR issues are you referring to? This is news to me and I have an earlier version of this engine.
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      03-04-2020, 07:15 PM   #3
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First I hear of "major" engine issues for the G05. Can you share a link or two to those articles? Curious to read
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      03-04-2020, 07:19 PM   #4
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Posted similar question here a couple of weeks ago (last page). I guess you didn't pick up your car yet?

"Price Question on 2020 X5M50i"
https://g05.bimmerpost.com/forums/sh....php?t=1685696
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      03-04-2020, 07:35 PM   #5
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No my wife became very ill so had to delay, they have been great about it but here is a couple.

https://bmwtuning.co/n63-engine-problems/

https://www.eeuroparts.com/blog/bmw-...e-hot-garbage/
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      03-04-2020, 07:52 PM   #6
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To others in this thread, these aren't even the same engine codes are they? These articles point to much earlier versions of the n63 don't they?

No wonder some are surprised to hear there are "major" engine issues with the G05...

EDIT: OP, you're chasing an issue that doesn't exist. Enjoy your new vehicle.
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      03-04-2020, 07:52 PM   #7
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Those are old articles about the early N63 engine. That engine was used in the E70 X5 which was several generations ago (2011-2013). The G05 uses the N63TU3 variant of the engine. In 2012, BMW updated the N63 with the N63TU to address some of the earlier problems. The N63TU was a significant update to the original N63 but I did hear some stories about oil consumption with the N63TU. In 2016 the N63TU2 was introduced which also introduced additional changes to oil cooling and the turbos to produce more power. In 2018, the N63TU3 was introduced with quite a few additional changes to increase power and manage heat. It's this engine that's in the current X5 with the V8.

I have the N63TU2 and haven't had any problems with it. I'm also not aware of problems from others with either the N63TU2 or N63TU3 in the G05.

Note: There are also two variants of the N63TU3. There is the N63B44M3 used in the 50i X5 and 50i X7 as well as the N63B44T3 which is used in the M50i X5, X6, and X7

Last edited by Pictor; 03-04-2020 at 07:55 PM.. Reason: Edited to add info on the two N63TU3 variants.
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      03-04-2020, 07:54 PM   #8
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Quote:
Originally Posted by Pictor View Post
Those are old articles about the early N63 engine. That engine was used in the E70 X5 which was several generations ago (2011-2013). The G05 uses the N63TU3 variant of the engine. In 2012, BMW updated the N63 with the N63TU to address some of the earlier problems. The N63TU was a significant update to the original N63 but I did hear some stories about oil consumption with the N63TU. In 2016 the N63TU2 was introduced which also introduced additional changes to oil cooling and the turbos to produce more power. In 2018, the N63TU3 was introduced with quite a few additional changes to increase power and manage heat. It's this engine that's in the current X5 with the V8.

I have the N63TU2 and haven't had any problems with it. I'm also not aware of problems from others with either the N63TU2 or N63TU3 in the G05.
Exactly. Also in the new M850i I believe.
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      03-04-2020, 08:07 PM   #9
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Thanks all I appreciate all the great feedback.

I did see this on youtube talks current V8 in the BMW



Maybe I'm just being worried for nothing.
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      03-04-2020, 08:49 PM   #10
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I don't own a MY20 X5 series but I do follow the threads in this forum. I have yet to read anything on the forum that has been described in this guy's video. Definitely some early iDrive 7 issues perhaps. In any event, IMO I think you're looking for problems that don't necessarily exist. Not even sure about the date of this vid.

EDIT: seems this guy has a whole series of bmw reliability engine channels...bit of a bug up his arse...
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      03-04-2020, 11:07 PM   #11
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I had exactly the same concern as OP couple of month ago. After reading (alot), thinking and evaluating, I still pulled the trigger to order a m50i (no car yet, probably won't see my car for another 3~4month) with following conclusion for myself. N63 with its hot Vee configuration indeed had and probably still has and will always have thermal stress related issues comparing to say the N58 in the 40i. Through all the Technical Update, BMW is trying to mitigate this, but probably will never be able to completely eliminate it. However, all these high performance V8 have this or that issues. Afterall, these German mfg push their high performance engines closer to the limit than your Honda and Toyota. I read that most of these N63 starts to have issues after 70~90k miles or so, so for me who drive less than 10k miles a year, this is probably well into 7,8yrs at which point, it's probably time to get another car anyway. Also, I will probably change oil more often than what BMW recommended. Plus I purchased 7yr extended warranty and last but not least, I am sitting aside $$ every year for that rainy day. So in 7yr, I have some $$ sit aside either towards another new car or a new engine for that old X5 m50i (if I like it so much that I would like to keep it at that point).
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      03-05-2020, 12:00 AM   #12
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Quote:
Originally Posted by Pictor View Post
What MAJOR issues are you referring to? This is news to me and I have an earlier version of this engine.
I suspect there's a good chance that the oil consumption issue is the most marked item with the N63. Here's a fairly recent update on that issue that was in the January newsletter of the BMWCCA: https://bimmerlife.com/2020/01/11/n6...gation-update/.

As one of the others noted, the current TU3 in the M50i's is the 3rd generation of the N63 and they made more changes to manage the heat, which has certainly been attributed with the oil consumption issue.

I also found this reference pretty good: https://en.wikipedia.org/wiki/BMW_N63.

Finally, I too did some looking before I order my 2020 X6, M50i (PCD scheduled for 4/23), as the oil consumption issue created some apprehension. There's very little doubt that on average, the inline 6-cyl in the 40i is one of the best engines BMW makes and likely fewer issues that the N63. However, there's still the "law of large numbers" that would indicate the N63 issues are still pretty small.

Finally, you mentioned this being a pro-BMW forum. While I'd tend to agree that many of the responders are pro-BMW, but the thing that draws many, many people to forums is the simple fact that they're "Looking for answers to a problem they're having...". Hence, the forums have way more questions from people with problems than all of the people that would be saying "I have had no issues.". Most of those folks aren't on the forum...
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      03-05-2020, 09:41 AM   #13
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Quote:
Originally Posted by fundamentals View Post

I understand that people may not want to discuss issues like this because this after all a pro BMW forum but I rather be safe than sorry.
Not true at all. Forums are for owners who love to vent and moan about every little thing. Problems are amplified on forums more than anywhere else, so if a problem exists, you'll find it discussed ad nauseam here. Just look at the wrinklegate debacle...

Quote:
Originally Posted by fundamentals View Post
Thanks all I appreciate all the great feedback.

I did see this on youtube talks current V8 in the BMW



Maybe I'm just being worried for nothing.
The fact that he just runs through all N63 engine cars without distinction between the various TU updates tells me he is just highlighting the issues with the early engines whilst using a new TU engine car (the G05) for illustration because it will obviously get more clicks & views. Ugh, I hate youtubers sometimes.
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      03-05-2020, 09:46 AM   #14
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The fact of the matter is the N63TU3 has only been in service for 2 or 3 years. So it's impossible to gauge how reliable it will be in the future. However, the fact that it has been out for 2 or 3 years and there doesn't seem to be nearly the issues the first gen N63 had, is definitely a positive indicator of future performance.
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      03-05-2020, 10:04 AM   #15
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The following article gives a quite exhaustive description of N63 development history: https://www.bimmerworld.com/About-Us...ne-Variations/
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      03-05-2020, 10:18 AM   #16
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Here is another interesting thread on problems with N63TU2/3: https://g07.bimmerpost.com/forums/sh...php?p=25652281
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      03-05-2020, 11:48 AM   #17
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The only people who complain about BMW V8's are people who have never had one. My X6 M50i should be in this month and it will be my 3rd consecutive 4.4 V8.
I took my 2004 X5 4.4 to 190000 trouble free miles & my current 2014 F15 50i has 125000 trouble free miles.
Checkout my thread in the F15 section "Stop the N63TU bashing"
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      03-05-2020, 11:57 AM   #18
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I've had no issues with the engine in my 2020 M50i that I've had since August 2019.
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      03-05-2020, 12:03 PM   #19
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Another factor newbies into the world of performance engines dont know is the acceptable amount of oil consumption that is expected. Look at Porsche to Ford and see that heat and oil consumption is part of the ownership experience. Oil is cheap in the grand scheme of automobile ownership cost. Its used to cool and lubricate. These are 500hp+ luxury SUV's and not Camry 4cil mouse cars.

On my BMW specific, I have not noticed any oil loss even on a long 2200 mile trip at the time of break-in. I have watched the above YouTube rant video and even commented on his channel to put his wild assumptions into proper context but he has no desire to do anything but slander BMW. He is all clickbate.


Last edited by MystroX5; 03-05-2020 at 12:11 PM..
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      03-05-2020, 12:13 PM   #20
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Quote:
Originally Posted by puckybadger View Post
The only people who complain about BMW V8's are people who have never had one. My X6 M50i should be in this month and it will be my 3rd consecutive 4.4 V8.
I took my 2004 X5 4.4 to 190000 trouble free miles & my current 2014 F15 50i has 125000 trouble free miles.
Checkout my thread in the F15 section "Stop the N63TU bashing"
First off I'm not bashing anything so let's get that straight. I had some questions and I was asked where I got the info from period the end. Don't accuse me of bashing the motor.
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      03-05-2020, 12:39 PM   #21
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The N63B44T3 variant in the current BMW's V8's have come a LONG way compared to the original N63. Its like its 4th or 5th iteration at this point so I'd imagine BMW should have most things ironed out. I had the N63TU with was the second generation and even that motor was solid without any issues for me.

Alan
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      03-05-2020, 01:37 PM   #22
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Quote:
Originally Posted by fundamentals View Post
Quote:
Originally Posted by puckybadger View Post
The only people who complain about BMW V8's are people who have never had one. My X6 M50i should be in this month and it will be my 3rd consecutive 4.4 V8.
I took my 2004 X5 4.4 to 190000 trouble free miles & my current 2014 F15 50i has 125000 trouble free miles.
Checkout my thread in the F15 section "Stop the N63TU bashing"
First off I'm not bashing anything so let's get that straight. I had some questions and I was asked where I got the info from period the end. Don't accuse me of bashing the motor.
Umm, he's not accusing you of bashing the motor. He's saying: "Checkout my thread in the F15 section "Stop the N63TU bashing".

The title of his thread is "Stop...bashing" lol
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