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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum N63 owners - are these engines junk?
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      02-02-2016, 03:41 PM   #23
lsturbointeg
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Originally Posted by Teddylongtooth View Post
The car has been great and Bmw has been great too, although the dealer who did the CCP sucks big ole donkey dicks, I brought the car in for EDC malfunction (unrelated to CCP) and they said there are service .
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      02-02-2016, 03:47 PM   #24
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i have roughly 90k on mine, CCP done at bout 85k. Valve seals were starting to go so had them changed while the engine was open getting chains done. never had any real issues.
It is a high performance engine so you will get your fair share of problems eventually. My e46 323 which had 300k had barley any issues but we are talking 175 HP compared to over 400 HP. its all relative.

I still believe the high oil consumption is due to the Oil seperators in the valve covers. i tried to get a new set but no stock here in Canada and none in Germany??? wonder why? maybe redesigning for another recall? hmmmm?:c onfused0068:
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      02-02-2016, 04:11 PM   #25
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Quote:
Originally Posted by The X Men View Post
No carbon buildup was reported in that thread for this engine. The OP there was asking if anyone knew of such cases, but none were reported.

I researched this engine a lot when I was looking for a car because I was seriously considering the S6. It is not known to have any issues. No excessive oil consumption or any other deficiencies reported.

The N63 and N63TU engines are a different story, but I decided to lease. I'll look at it again in 3 years to see how the N63TU2 compares to whatever Audi has then (probably still the 4.0 TFSI).
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      02-02-2016, 04:47 PM   #26
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Quote:
Originally Posted by visualguy View Post
No carbon buildup was reported in that thread for this engine. The OP there was asking if anyone knew of such cases, but none were reported.

I researched this engine a lot when I was looking for a car because I was seriously considering the S6. It is not known to have any issues. No excessive oil consumption or any other deficiencies reported.

The N63 and N63TU engines are a different story, but I decided to lease. I'll look at it again in 3 years to see how the N63TU2 compares to whatever Audi has then (probably still the 4.0 TFSI).
I had a 08 A6 with a 3.2L NA engine that had carbon build up problems, but my 2012 A6 with the 3.0T engine did not have that problem. I guess Audi finally fix the carbon build up problem.
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      02-02-2016, 05:02 PM   #27
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Any direct injection engine is going to have carbon build up.
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      02-02-2016, 05:18 PM   #28
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Originally Posted by BlackWidow View Post
Any direct injection engine is going to have carbon build up.
Yes, but the severity of the problem varies between engine designs, and newer engines use some techniques for mitigating the problem.
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      02-02-2016, 07:39 PM   #29
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Quote:
Originally Posted by Milestune View Post
I'm reading post after post of enormous problems with these engines... ANYONE having good luck with theirs?
I love mine, and the only time I've had problems was when I tried to run the BMS Stage 2 tuning on it....it was just too aggressive and caused coil failure. I dialed it back to stage 1 and no problems since.
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      02-02-2016, 07:51 PM   #30
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^^^^I have a BMS Stage 2, but run it as a Stage 1 because of stories like that...
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      02-03-2016, 07:57 AM   #31
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Quote:
Originally Posted by visualguy View Post
Yes, but the severity of the problem varies between engine designs, and newer engines use some techniques for mitigating the problem.
Some manufacturers like Toyota/Lexus are working on a second set of injectors in the intake manifold (planum) to provide that chemical wash down of the valves, ports, etc. to solve this carbon build up problem.

Problem with direct injection is the cleaning properties of the fuel never reach the intake parts like traditional engines so carbon can build up from the hydro carbons and such that sneak back in the intake chamber.

just to sum it up.
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      02-03-2016, 09:03 AM   #32
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Quote:
Originally Posted by dadysev View Post
Some manufacturers like Toyota/Lexus are working on a second set of injectors in the intake manifold (planum) to provide that chemical wash down of the valves, ports, etc. to solve this carbon build up problem.

Problem with direct injection is the cleaning properties of the fuel never reach the intake parts like traditional engines so carbon can build up from the hydro carbons and such that sneak back in the intake chamber.

just to sum it up.
The Lexus GS350 already use that technique, it has a set of port injectors as well as direct injection.
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      02-03-2016, 03:04 PM   #33
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Originally Posted by The X Men View Post
The Lexus GS350 already use that technique, it has a set of port injectors as well as direct injection.
Right, although they present it as providing other benefits. They aren't saying that it's for preventing carbon build-up (even if it does that too).
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      02-04-2016, 07:54 AM   #34
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Quote:
Originally Posted by visualguy View Post
Right, although they present it as providing other benefits. They aren't saying that it's for preventing carbon build-up (even if it does that too).
The line from Lexus is that the port injection provide better power/efficiency in low rpm and direct injection at high rpm, but we all know the real reason why the port injectors are there.
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      02-04-2016, 01:33 PM   #35
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"Junk" would be a compliment for the N63 in my honest opinion
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      02-06-2016, 01:40 AM   #36
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Quote:
Originally Posted by Lalit@AUTOcouture View Post
"Junk" would be a compliment for the N63 in my honest opinion
That's an over exaggeration. At least BMW has a CCP addressing the issues that pose a threat to the engine.

My F10 is closing in on 80k miles and I haven't had a single major issue that left me stranded compared to when I had my E60 M5.

The E60 V10 S85 and E90/E92 M3 S65 are garbage engines that BMW did nothing about despite consistent reoccurring problems across the board. Throttle actuators on bank 1 and 2, rod bearings, VANOS, SMG Pumps. The whole cars were garbage. If you have to get in your $100,000 car and hope your car doesn't throw a rod because of a major design flaw rather than enjoy the ride, you have a problem.

The N63 is a great engine compared to that debacle. Just have a peek over at m5board and everything you'll see are horror stories, countless of them.
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      02-07-2016, 10:34 AM   #37
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Quote:
Originally Posted by Lalit@AUTOcouture View Post
"Junk" would be a compliment for the N63 in my honest opinion
Tells us about your experience in owning an N63 car. It's always enlightening to hear what others have been through. Or are you just "board warrioring"?
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      02-07-2016, 10:48 AM   #38
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Quote:
Originally Posted by AZ_Bmw_550 View Post
Tells us about your experience in owning an N63 car. It's always enlightening to hear what others have been through. Or are you just "board warrioring"?
I was thinking the same thing. While I don't think anybody expects Corolla/Civic dependability from these twin-turbo monsters, most of the actual first-hand experiences told here sound pretty uneventful.

I guy I work with drove a 750i for a number of years and never realized it was "junk" so I'm starting to think the legend of troubles may be larger than the reality.
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      02-07-2016, 03:11 PM   #39
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Quote:
Originally Posted by Gpfarrell View Post
I guy I work with drove a 750i for a number of years and never realized it was "junk" so I'm starting to think the legend of troubles may be larger than the reality.
Forums, although they highlight faults and deficiencies also customarily distort the facts.

If the issues reported in the UK for the smaller BMW diesels were proportional to the facts, we'd not be using them the way we do in Europe. Still millions of them are working each day with owners/drivers not even aware some have issues.
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      05-07-2016, 09:11 PM   #40
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Quote:
Originally Posted by Milestune View Post
I'm reading post after post of enormous problems with these engines... ANYONE having good luck with theirs?
I am sure that someone have good luck. In fact, that is problem with that engine.

This thread is really good and informative.
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      04-18-2017, 05:11 PM   #41
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I really like my N63. Had an N62 previously for 153K miles and I thought it was a great engine.
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      04-19-2017, 12:59 AM   #42
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Quote:
Originally Posted by dadysev View Post
i have roughly 90k on mine, CCP done at bout 85k. Valve seals were starting to go so had them changed while the engine was open getting chains done. never had any real issues.
It is a high performance engine so you will get your fair share of problems eventually. My e46 323 which had 300k had barley any issues but we are talking 175 HP compared to over 400 HP. its all relative.

I still believe the high oil consumption is due to the Oil seperators in the valve covers. i tried to get a new set but no stock here in Canada and none in Germany??? wonder why? maybe redesigning for another recall? hmmmm?:c onfused0068:
How much did it run you to do the valve seals ? My buddy says mine need replace
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      04-19-2017, 06:01 AM   #43
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What they do in Europe for N63s is change the whole engine short block whenever there is high oil usage. I have personally had this done on one 750i and on my current 550i. If done properly no issues whatsoever afterwards, only about 1liter/quart is needed in between oil changes. That is to be expected from a high performance TT V8.

I have checked the service history of numerous N63 cars(7s, 5s, X5 and X6s) and they all needed an engine replacement at about 100000kms. Which is a shame of course and i hate that my prefered car and engine has so many issues. A car of this class should be good for at least 150 000 miles without a major engine issue like that.

I have been looking at 4.0tfsi Audi a8s and M278 Mercedes s500 (550 in the US) and they both have much more reliable engines.
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      04-19-2017, 06:55 AM   #44
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86k on my 2012 550iX, had the CCP done at 60k. Other than a failed injector no serious issues to date. Surprisingly, my car uses very little oil between oil changes (10k-15k interval). Just done a 5k road trip, oil level did not change at all.

Overall I love owning and driving this car, my fourth 5 series V8 and the best to date. Admittedly, if you want superb reliability buy a Honda or Toyota. Nowhere near as much fun to drive as a BMW 550iX.
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