BMW N47 / BMW N57 Reliability | Can These Engines Be Reliable?
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- čas přidán 24. 07. 2024
- BMW N47 and BMW N57 reliability and can they be reliable engines?
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Had an E92 full Mpack automatic 320d for 2 years. Bought from first owner who did an amazing job on maintenance. Did maintenance interval myself every 10k km's. Filters and quality oil. Did a remapping giving it approx 200bhp. Drove the absolute sh*'t out of it day after day. But!! Easy driving when engine was cold, gave it time to warm up and after hooning always let it run for a while before turning off. Because of the weight of the car I was not so much impressed by the performance, but it was an amazing quality built car with lots of 'souplesse' and also I liked the automatic gearbox! Never had any issues what so ever! Maintenance is key!!!
Edit: forgot to mention, bought the car from first owner at 120.000km. Sold it at 180.000km so drove 30.000km per year...
Love yours videos always quality made and explained
Thx you 🤝👍🏻💪🏻
Keep up the great work 👍 👏
very informative George! ive brought a 320d n47 with 80.000 miles not long ago and I have changed mostly everything you've mentioned in here. The only common issue with these engines worth mentioning is the oil filter case and oil cooler gaskets ,
Finally some good words for N47, keep going mate!
Cheers Ivan!
The tensioner guide is held against the chain by the piston of the chain tensioner. The oil in the chain tensioner provides directional damping by virtue of a non-return valve. In conjunction with hydraulic chain tensioners and tensioning rails with plastic anti-friction covering, the chain drive remains maintenance-free throughout the entire service life of the engine.
I have 2014 f30 335d for last 4 years without any issues whatsoever. Had egr cooler replaced under warranty as a recall, I change engine oil every 10k km and at 100k I changed gearbox oil. Couldn't be happier with the car.
🙌🏼
Thanks George. Star man.
No prob Paul!
Even having had the timing chain done on my E61, I still keep expecting it to go ping some day.... I guess all the horror stories are hard to get over!
Thank u mate . I went got a 2013 hoping they prob be great cars . But I had it week and I've never had a crap looking dash . And interer. I went b to garage got my n47 2009 sport highline back . Had service am going keep it . Interer is like limo
I have a 1series 20D N47 and heard a noise in engine thought it was timing chain but got told by the garage it’s dpf and swirl flap issues. What would u recommend mate get rid of a cheaper option if u know of ?
Loving the videos pal. I do have a case for you though. I have a 2010 318d with the N47 engine. I bought this just 3 weeks ago and I can tell you, I am really not happy. Everything seemed fine at first, and then the problems started just over a week ago. First I got an error telling me that I had reduced power. I researched why and the outcome was to do an oil change with an engine flush and replace the air filter. Back to normal for a few days. Then, last Saturday morning it wouldn't start. After ten or so tries, it started and then died after about 5 seconds. RAC has been out and gave a few ideas, EGR, DPF etc. had a code reader on and it said the egr was stuck fully open. stripped it down with the cooler off. Started to see that the inlet and everything were just clogged up to death. Egr cooler cleaned and after a soak on the egr itself, the valve was stuck open so got a new one from Lloyds. £200 later and new EGR fitted and cooler back on, filled the coolant up, inlet all off for a manual clean, all put back together but still no joy. DPF off, still no joy. went back to the drawing board and found a thread on bimmer forum suggesting Camshaft Sensor or possible Crankshaft sensor. Now, replaced the Camshaft sensor and we have a running car. It wouldn't rev above 15000 but it would idle and stay running. Changed the fuel filter, as again, this was put on a suggested list. Booked a carbon clean and when the guy turned up, we pushed the car outside and bang, back to square one. The bloody thing won't stay running again, starts and then cuts out after 5 seconds. I have a new crankshaft sensor but as you know its a swine to get to and the tiny Allen key bolt is almost rounded. Gave up and left it sitting in my unit for another day when I can come up with more suggestions. PLEASE HELP, I'm going insane
Get EGR and DPF deleted👍🏻 they cause 80-90% of problems on this engine.
How did you make out Steve?
How did it go Steve?
Did you sorted? Can it be pcv valve?
Oooh, must look out for Black Death... there was some soot on the top when I removed the sound damping... Thanks again.
Yep not uncommon once you reach higher miles👍🏻
Got 177000 miles on 2008 n47 still running good every day just had a boost leak for about a year 😂
Good to hear man!
where did you buy reinforced intake manifold?
Very solid advice as usual George.
Much appreciated
280 000km now and the whole car is running totally fine. There has been no faults at all. Oil changes done by last owner in 30 000km intervalls but I've done once after 15 000km and I'm going to keep it.
I was also looking to remove the EGR system on my 57 and install blanks but I don’t know how to re-code the ECU. I understand it will generate a fault msg and also may go in limp mode.
Need to take it for a remap
My steering wheel has a whining noise coming from it when I turn left and right and only does it periodically. Some times loud some times quiet, any idea what it is? It’s a E92 320d M-sports 2012
Need to do a PAS fluid flush: czcams.com/video/OqpNmDur9Vg/video.html
Very informative 👍. I have a 2010 316d with 216,000 miles on original timing chain. Would you think the lower bhp models put less strain on the chain and therefore are less likely to fail?
I have the same model as you but needed to change the chain at 150k miles. It was just starting to noise very slightly at cold startup. I've changed the oil and filters every 10k mikes and bought the car second hand. Previous to me was only one owner with full BMW service history. I'd recommend changing it now. It will not last forever. If you plan on keeping the car change it, if not sell it on straight away. They are are lovely and reliable car to drive.
I also have 320d n47 with over 200k on the original chain. Not done any of the work George mentions here so everything is original in the engine. Just done every oil and filter as directed and nothing else. Got the car in 2013 with 70k on it. What a bargain and what a car. Going to do the serpentine belt system soon though cause the original belt is cracking a bit now.
My previous car was a well looked after N47, and now i have a well looked after N57. No issues so far... The N57 does seem to have a better reputation when it comes to cam chain life despite the layout being basically the same. Part of that IMO is the larger oil capacity, which may offset the effect of the too long service intervals.
The N57 is the same as the later N47D20C engine which has much less timing chain failures
I think the sprockets are different to the N47 engines as well. I read somewhere that the crank sprocket teeth were a factor in earlier N47 engine chain failures.
Im soon hitting 300 000km with my tuned (300hp/620nm) manual 330d 2009 lci with n57 engine. Only done oil changes and changed the glowplugs. I have not removed the egr or dpf
Good to hear Carl!
Hi george I own a bmw 520d 2010 f10 with 8 speed auto 184bhp . I've owned for nearly 2 and a half years . And always serviced in time but chain never . And has nearly 290k kms but no chain noise what would u say . Please give me some advice man 🤣
You may have forgotten, the cracking of the crankshaft itself, Rod bearings or how are they called in English, the problematic fuel pump which fails and after it's failure you'll have to replace the whole fuel system :)
Rod bearings will wear on any engine if you abuse it and don’t change oil regularly
The crank issues may be partly caused by modern low viscosity, low HTHS oils. They are far better for fuel economy than they are for engine protection. Add to that some diesel pollution which is always going to happen and some hard driving thrown in on top for good measure...
Regular oil change and ‘spirited use’ to keep dpf happy and its all good. The old M47 would eat its turbo and swirl flaps for fun. Good experiences don’t get posted on forums. There’s literally millions happily clattering along UK roads
Absolutely👍🏻
My 2013 f30 330d have too high oil pressure, smoke from oil cap and dipstick hole. Issue started when I put downpipe. Car burning oil which was not an issue before downpipe installed. Car just fitted with reconditioned turbo and have flaps and egr deleted. What the issue could be?
Have you checked your oil level?
@@GeorgeAusters taking around half liter of oil for every 100km
Is it a different belt kit if you have hydraulic power steering? Mine is 2011 184bhp 320d
There are 2 or 3 different variations in belts
A year ago I bought an x3 -08/lci with 194000 km. Now I have some 205000 km, so if I drive 10000 km a year I can drive cheaply the next ten years! 😁
Exactly what I expected... 😍
Awesome!
Agree with you, about changing motor oil.. BMW make mistake with long intervals for service(oil). I own X1 E84 4/2012 XDrive 18d, 105KW/143HP with N47D20C engine. I bought car from first owner, already change chain (at 95k). Before-car was serviced on official BMW service-because warranty.. 1owner changed oil every 25k, once also 30k. Now i change motor oil every 8k, or less/do my self. Because COVID time, do short distances-oil have to be changed more often-engine will say thank you to do this.. Experience with MANNOL oil? Thanks for your time to do all those videos..
Removing the swirl flaps won't give you less torque or worse mpg. You have to reset all adaptation values. For example the 18d models have the exact intake manifold just without the swirl flaps and they have quite the same mpg driving below 2000rpm as the 20d with removed swirl flaps
It will, tried and tested 👍🏻
It will, tried and tested 👍🏻
@@GeorgeAusters Did you dyno the car with and without the swirl flaps?
Happy owner of a n57 with 240'000km on the clock, love the engine :D
I thought the n57 engine was spared from the timing chain issue? you made me worried...
Plenty have had failed timing chains but it mostly comes down to lack of oil changes again
@@GeorgeAusters Interesting! So the added resistance in the engine due to old oil is what makes the timing chain stretch over time?
No worries, found this link that explaines why some n47s get timing chain issue. My guess is that the n57 has a larger oil capacity but the same service intervalls leading to this issue beeing far less common. interesting reading for sure. alderleyautos.co.uk/blog/bmw-n47-myth/
Would you recommend an egr delete/blank? Anything to worry about?
I have a whole video doing it👍🏻
@@richardsalkeld4421 will that need mapping/coding out?
If I remove egr system, are there any changes I need to make to the vehicle software?
Needs to be mapped out
@@GeorgeAusters thanks for the reply George. I'm considering purchasing a 2007 e91 from a friend, it has done about 230 000kms but still runs very well. So I've been watching all of our videos as research. . . . .thanks for all the info. I'm from South Africa by the way👍🏻
Thanks and ses you
What about Vanos Solenoids do you recommend changing?
Watch my video on them: czcams.com/video/7GLd4GryYBo/video.html
Much appreciated George great content as always 👍🏻 do you know where they're located on the N47
@@GM66MCK diesels dont have Vanos, they have turbos :)
Hi, can anyone tell me what is the differnce between n47d20a and n47d20c?
N47D20C is 2010 onwards with the 184bhp engine
@@GeorgeAusters Thanks George! Couole days ago I found out that on my 2008 e90 320d the engine is changed from n47d20a to n47d20c but some people are saying that n47d20c is 105kw so I'm confused a lot.
In my opinion, the oil change interval has mostly to do with how you drive the car, and secondarily with the quality of the oil.
I make a point to never cold start the car unless I'm committed to getting the oil up to operating temperature. I also drive a few hundred miles with some regularity, as a diesel should be driven.
That, along with a quality Liqui Moly full synthetic 5W-30, enables me to change the oil every 10,000 miles without much worry. When the oil comes out of the drain plug, it doesn't appear much changed from how it looked going in.
In my estimation, the key to keeping these engines healthy is to remember that they are diesels and that it is up to you to get them hot enough. If you're just going a few miles, it's better to have a second car running on gasoline/petrol that won't be as slow to heat up. Keep the diesel for longer trips.
Howlong should you warm a bmw up b4 as you say stepping on the gas??????????
About 2 seconds while oil pressure builds up
BMW 535 XD GT 2014 with 235.000 km, fatal engine failure on the crankshaft bearing, engine completely destroyed, 5k euros in reparations. I have this BMW from the beginning and all services made in time, oil & filters changed since 0 km up until today at no more than 10.000 km and still failed catastrophically, and this not the first one hear about, I have friends who also have their engines blown up at similar KM range: 230 to 260 thousand kilometers.
Oil is cheap, engines are expensive, great advice
🙌🏼
@@GeorgeAusters Thanks George, I bought a 535D a few months ago. Just going through the service/maintenance items now. I'll be changing the engine oil every year in this car
Good stuff.. If you keep on top of things it will last you forever!
Are you planning on adding a catch can?
Not unless there is a factory fitting one👍🏻
@@GeorgeAusters Made a catch can for my 123d last weekend, used the stock breather pipe with some fittings to a catch can. Think its worth looking at cause the oil its caught already on my 80xxx mile one is noticeable, would only help keep the intake clean.
How do I find out which N47 engine I have out of the 16 and 20 ?
Which model do you have?
@@GeorgeAusters 318d e91 touring business edition (2010)
Yours is the 2L
@@GeorgeAusters yes it is
In one of your videos you talked about reliability of the N47 engine but you mention two different ones N47 something 16 and a 20 , I think its the 20 that you said was the better but I'm not sure which mine is of the two
Just delete Dpf and Egr by softwer.Should I use 5w40 oil instead 5w30 on my F30?
then fail mot
@@liamtree1250 Off by softwer
5w30 LL04
@@GeorgeAusters I have the N57 the BMW Indy I use puts 0w 30 oil in the car, Im at 96000 miles you think that's OK in your opinion?
Where can i get the boost pipe?
www.fixparts-online.com/en/bmw-charge-air-line-11617803748.html
@@GeorgeAusters thanks
What oil should i use?
Olive oil, extra virgin if you're feeling flush 👍
Reliable? N57? What about the rod bearings?
I do my m47 oil and filters every 6 thou and its sweet as a nut and shes at 147 thou now 16 year old good old bus
👌🏼
Had a N47 for 5 years 80k miles.No problems up to 120k.Then disaster!!!!! Some idiot drove into the side of it and wrote the thing off.Drive a VAG product now.But I would have kept it otherwise was great.
Oh nooo!
If you have an unlimited bank account the N47 is pretty reliable. You just need to completely overhaul your engine every 12 months. So it will be pretty reliable
Nope, just overhaul it once when you buy it and be done👍🏻
A timing chain should last the lifetime of the vehicle. It should never need servicing or replacement
I totally agree, especially on a premium car like a bmw or benz. The newer b57 is apparently really reliable, the chain, injectors and turbos have been revised so there are pretty much no known issues on it. Its actually really torquey and quick on a 630d gt, 0-100 in 5.6s with launch control and 6.6/100km consumption.
What is the lifetime of the vehicle though? My engine is all still original parts in my n47 320d and the car's done 210k miles now on pretty much nothing other than oil and filter services. Great car. Will be sad when I does die as it's been unbelievable value for money. Bought it in 2013 with 70k on it. Got bmw to do full inspection 2 service at that point and away it went for another 140k miles. Excellent machine.
I nearly fell asleep
Glad to hear!
dont put the n57 in this video its no where near as unreliable as n47
They are the same engine
@@GeorgeAusters you really need to go and educate yourself on the N57 if you think that's simply the case
@@DavidJones-jp5lg Tell me the bare engine differences
The N47 and 547 both have the same timing chain dip shits the N57 has the exact same timing chain issue you just don’t hear about it as much because less 3.0s were sold
@@jackthompson265 actually the timing kit isnt exactly the same for the on n47 as the n57 engines
What a terrible engine. Replace this and that... Wow! I have a BMW, but my Honda never had this kind of problems.
Does your diesel honda have as much power and as good efficiency as this engine?
@@GeorgeAusters If you put it in perspective, maybe. :-)
My previous Honda was definitely not that powerful. But for a car of more than 100K euro's, there are strange designs decisions like a timing belt at the back of the motor and that kind of stuff. Changing oil after 5K? You cannot say that this is good or normal. ;-)
Poor design simple as that, we do not need to make excuses for BMW,, Stick with M47 M57, all the N series , are terrible .
You may have a lucky ine fir now wait and see.