S63TU failures - M5, M6 & M6 GC
Discussion
Cheburator mk2 said:
Hello billy big b
ks and Mr Risk taker 
I guess I am one of the unlucky ones - my car has thrown about £25k worth of warranty work in the last 3 years. It’s easily the most unreliable piece of junk that I have ever owned. And that’s a one former owner car bought from BMW as AUC with 30k on the clock. Here is a little list for you:
Transfer box
Injectors
High pressure fuel pumps
Turbos
Front suspension arms
Valvetronic
Heater valves
Various active suspension bits
But yes, the N63 and the S63 are brilliant engines… Yep…
I am not trying to scare anyone, just stating facts. My mate works on these cars for a living. Every car has a weak spot. It just happens that the previous Gen M5/6/X - it was the most important bit - the engine… And yes, I do know a thing or two about engines and the N63/S63 family is definitely not BMW’s high point…
P.S. The main reason I haven’t moved on the School bus at 78k is that’s it’s practically new thanks to the BMW warranty
No not Billy BBs at all just trying to bring balance back after you attempted to trash the reputation of thousands of cars because you had a poor experience which obviously I'm sorry to hear about, it's a right ball ache when your car is broken. ks and Mr Risk taker I guess I am one of the unlucky ones - my car has thrown about £25k worth of warranty work in the last 3 years. It’s easily the most unreliable piece of junk that I have ever owned. And that’s a one former owner car bought from BMW as AUC with 30k on the clock. Here is a little list for you:
Transfer box
Injectors
High pressure fuel pumps
Turbos
Front suspension arms
Valvetronic
Heater valves
Various active suspension bits
But yes, the N63 and the S63 are brilliant engines… Yep…
I am not trying to scare anyone, just stating facts. My mate works on these cars for a living. Every car has a weak spot. It just happens that the previous Gen M5/6/X - it was the most important bit - the engine… And yes, I do know a thing or two about engines and the N63/S63 family is definitely not BMW’s high point…
P.S. The main reason I haven’t moved on the School bus at 78k is that’s it’s practically new thanks to the BMW warranty
You said it yourself maybe you're ONE OF the unlucky ones so why paint the whole series as a disaster waiting to happen, and you say you're just stating facts the engine will Grenade at 100K and they are built to last 5 years that is utter billy big b
ks.Have you also asked yourself that if your car was fine up to 30K miles and then all these things went pop, perhaps the previous owner being a Doctor means he had zero mechanical sympathy or it was your treatment of the car??
Anyone can inherit a pig I guess that's the luck of the second hand car market?
Stever said:
No not Billy BBs at all just trying to bring balance back after you attempted to trash the reputation of thousands of cars because you had a poor experience which obviously I'm sorry to hear about, it's a right ball ache when your car is broken.
You said it yourself maybe you're ONE OF the unlucky ones so why paint the whole series as a disaster waiting to happen, and you say you're just stating facts the engine will Grenade at 100K and they are built to last 5 years that is utter billy big bks.
Have you also asked yourself that if your car was fine up to 30K miles and then all these things went pop, perhaps the previous owner being a Doctor means he had zero mechanical sympathy or it was your treatment of the car??
Anyone can inherit a pig I guess that's the luck of the second hand car market?
I know a doctor who buys M5's regularly tunes them no mechanical sympathy hammers them from cold, removes the Map and sells on, he's done it three times so far. You said it yourself maybe you're ONE OF the unlucky ones so why paint the whole series as a disaster waiting to happen, and you say you're just stating facts the engine will Grenade at 100K and they are built to last 5 years that is utter billy big b
ks.Have you also asked yourself that if your car was fine up to 30K miles and then all these things went pop, perhaps the previous owner being a Doctor means he had zero mechanical sympathy or it was your treatment of the car??
Anyone can inherit a pig I guess that's the luck of the second hand car market?
The BMW engineering notes for each technical update on the N/S63 motors are quite telling. Major overhauls of the design occuring at each stage to try and fix significant issues. Both engines are on their 3rd and 4th redesign respectively. There are fundamental fragilities that increase the risk of ownership. This should be reflected in the price if OP proceeds and allow for a 'fix up' fund to be allocated.
You guys are beginning to scare us. Will my 2017 M6GComp being one of the last ones produced by BMW, have had one of the best redesigned S63TU engines? The car is now on 56,000 miles and only leaking differential done (discovered by BMW dealer during a recent major servicing).
I stopped my £87/89/month insured warranty some few months ago. Because of all the scare stories on this thread, I have gone to recheck the insured warranty and for the same level of cover, it is now £143/month😳. That is like extra £50/ month…….
I stopped my £87/89/month insured warranty some few months ago. Because of all the scare stories on this thread, I have gone to recheck the insured warranty and for the same level of cover, it is now £143/month😳. That is like extra £50/ month…….
Just to add some other perspective my 2015 car owned from new has just crossed 150k miles having had the rod bearings changed preventatively. The old ones were pristine, the car has been near faultless and I’m about to drive my family over 2,000 miles in it which I wouldn’t do without having total confidence (touch wood).
LamedonM said:
You guys are beginning to scare us. Will my 2017 M6GComp being one of the last ones produced by BMW, have had one of the best redesigned S63TU engines? The car is now on 56,000 miles and only leaking differential done (discovered by BMW dealer during a recent major servicing).
I stopped my £87/89/month insured warranty some few months ago. Because of all the scare stories on this thread, I have gone to recheck the insured warranty and for the same level of cover, it is now £143/month??. That is like extra £50/ month…….
There are lots of scare stories (and these result in business for those selling warranties or preventative engine overhauls) but that needs to be balanced against the thousands of examples of this engine that are in the various iterations of M5, M6, X5M, etc. that have run reliably without significant issues.I stopped my £87/89/month insured warranty some few months ago. Because of all the scare stories on this thread, I have gone to recheck the insured warranty and for the same level of cover, it is now £143/month??. That is like extra £50/ month…….
theboss said:
Just to add some other perspective my 2015 car owned from new has just crossed 150k miles having had the rod bearings changed preventatively. The old ones were pristine, the car has been near faultless and I’m about to drive my family over 2,000 miles in it which I wouldn’t do without having total confidence (touch wood).
Interesting you said the rod bearings were pristine.My M6 is a keeper and I hope to get well past 100K miles.
pjv997 said:
theboss said:
Just to add some other perspective my 2015 car owned from new has just crossed 150k miles having had the rod bearings changed preventatively. The old ones were pristine, the car has been near faultless and I’m about to drive my family over 2,000 miles in it which I wouldn’t do without having total confidence (touch wood).
Interesting you said the rod bearings were pristine.My M6 is a keeper and I hope to get well past 100K miles.
Be wary with the warranty and claim limit ….. Engines just gone bang in mine, 58k miles.
Full bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Full bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Edited by P155flaps on Sunday 19th March 08:57
P155flaps said:
Be wary with the warranty and claim limit ….. Engines just gone bang in mine, 58k miles.
Full bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Sorry to hear that and I hope it gets sorted with no financial pain to you. Hopefully BMW comes up with the goods. In Europe, a short block N63/S63 is ludicrously cheap from BMW - like £10k inc because they know how sFull bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Edited by P155flaps on Sunday 19th March 08:57
t they are… TheAngryDog said:
I am very happy that I didn't go down the S63 route. I know there are lots of cars running around happy, but it would always be a worry. Not something I have with the S85 currently..
You should be worried about the transmission, they are not reliable. Well, I have left the M6 club but I really enjoyed it while it lasted.
LamedonM said:
TheAngryDog said:
I am very happy that I didn't go down the S63 route. I know there are lots of cars running around happy, but it would always be a worry. Not something I have with the S85 currently..
You should be worried about the transmission, they are not reliable. Well, I have left the M6 club but I really enjoyed it while it lasted.
I'd rather need to replace the transmission than another engine.
P155flaps said:
Be wary with the warranty and claim limit ….. Engines just gone bang in mine, 58k miles.
Full bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Hi sorry to hear about your bill. So, what was the outcome? Surely you have a relationship with the main dealer where you service your car from, can they not get a good will gesture from BMW?Full bmw sh (average of about 7k between oil changes).
Well I say bang cut out under power restarted and shortly after started knocking.
It’s completely stock and not been abused. Still on original disks and 2nd set of pads from new and always lived under warranty. I renewed when I purchased.
Main dealers won’t repair, replace only and want a whole
New engine and turbos.
New engine and turbos is £36.5k fitted from main dealer and warranty only covers up to the invoice price of car. In my case £24k and it’s a case of I pay balance or they pay 0 as will only allow main dealers to work on it.
Moral of story, if you are paying sub £35k and engine goes pop even if you have warranty likely to be out of pocket.
I am waiting to see if they will actually honour the claim and bmw will also offer good will to bridge the gap.
Edited by P155flaps on Sunday 19th March 08:57
I have a M5 sitting on 56k, car is only worth around 20k, been under full BMW warranty all my ownership, so if my engine goes pop I have to pay the circa 15k difference for a new engine? No wonder after 60k miles these cars drop like a stone in values.
Wow this one sitting on 200k, orginal engine, so maybe all of them don't go caput:
https://www.ebay.co.uk/itm/155443088320?hash=item2...
https://www.ebay.co.uk/itm/155443088320?hash=item2...
BM Man said:
Hi sorry to hear about your bill. So, what was the outcome? Surely you have a relationship with the main dealer where you service your car from, can they not get a good will gesture from BMW?
I have a M5 sitting on 56k, car is only worth around 20k, been under full BMW warranty all my ownership, so if my engine goes pop I have to pay the circa 15k difference for a new engine? No wonder after 60k miles these cars drop like a stone in values.
Waiting to hear back ref both the claim validity (see if they squirm / attempt to) and also on BMW good will.I have a M5 sitting on 56k, car is only worth around 20k, been under full BMW warranty all my ownership, so if my engine goes pop I have to pay the circa 15k difference for a new engine? No wonder after 60k miles these cars drop like a stone in values.
Significant amount of money so I expect it will take a week or so.
No relationship with dealer as I’ve only owned the car 7 months and my first service was due with them in 2 weeks. Old owner had it serviced at same 2 places but 200 miles from me.
Ref the warranty it’s the invoice price of car rather than current value. So if you purchased a car and kept for years the original invoice value would apply (is way I read the T&Cs).
P155flaps said:
BM Man said:
Hi sorry to hear about your bill. So, what was the outcome? Surely you have a relationship with the main dealer where you service your car from, can they not get a good will gesture from BMW?
I have a M5 sitting on 56k, car is only worth around 20k, been under full BMW warranty all my ownership, so if my engine goes pop I have to pay the circa 15k difference for a new engine? No wonder after 60k miles these cars drop like a stone in values.
Waiting to hear back ref both the claim validity (see if they squirm / attempt to) and also on BMW good will.I have a M5 sitting on 56k, car is only worth around 20k, been under full BMW warranty all my ownership, so if my engine goes pop I have to pay the circa 15k difference for a new engine? No wonder after 60k miles these cars drop like a stone in values.
Significant amount of money so I expect it will take a week or so.
No relationship with dealer as I’ve only owned the car 7 months and my first service was due with them in 2 weeks. Old owner had it serviced at same 2 places but 200 miles from me.
Ref the warranty it’s the invoice price of car rather than current value. So if you purchased a car and kept for years the original invoice value would apply (is way I read the T&Cs).
lemonslap said:
Sorry to hear this, very worrying for all us running S63 engines and hope BMW help out with the costs. I have the BMW warranty, however purchased privately so I wonder how this would work as I don’t have an invoice.
If you bought a car privately that had an on going BMW extended warranty (underwritten by AWP) then you can contact Allianz to switch cover to you. The seller also had a form at the back of the warranty booklet for transfers so perhaps he can do that for you.nickfrog said:
lemonslap said:
Sorry to hear this, very worrying for all us running S63 engines and hope BMW help out with the costs. I have the BMW warranty, however purchased privately so I wonder how this would work as I don’t have an invoice.
If you bought a car privately that had an on going BMW extended warranty (underwritten by AWP) then you can contact Allianz to switch cover to you. The seller also had a form at the back of the warranty booklet for transfers so perhaps he can do that for you.P155flaps said:
Waiting to hear back ref both the claim validity (see if they squirm / attempt to) and also on BMW good will.
Significant amount of money so I expect it will take a week or so.
No relationship with dealer as I’ve only owned the car 7 months and my first service was due with them in 2 weeks. Old owner had it serviced at same 2 places but 200 miles from me.
Ref the warranty it’s the invoice price of car rather than current value. So if you purchased a car and kept for years the original invoice value would apply (is way I read the T&Cs).
Ok keep us in the loop, I am intrigued to know how this one unfolds. I really hope BMW cover all the costs as you brought the car in good faith and had the BMW warranty.Significant amount of money so I expect it will take a week or so.
No relationship with dealer as I’ve only owned the car 7 months and my first service was due with them in 2 weeks. Old owner had it serviced at same 2 places but 200 miles from me.
Ref the warranty it’s the invoice price of car rather than current value. So if you purchased a car and kept for years the original invoice value would apply (is way I read the T&Cs).
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