How old are you and am I too young to drive G29?

Argyll Andy said:
Scubaregs said:
Horses for courses, when I want fun with an amazing power to weight ratio, this does the job and more.

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I’m 59 next birthday.
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What were you doing in Campbeltown? :poke:
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Stretching the legs of the S1000R on a glorious summers day, midweek with almost zero traffic. Not that traffic is ever a problem. :evil:
 
Scubaregs said:
Argyll Andy said:
Scubaregs said:
Horses for courses, when I want fun with an amazing power to weight ratio, this does the job and more.

0E1CC2AD-0DCC-4FA6-8787-3BEA545BF4BA.jpeg

I’m 59 next birthday.
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What were you doing in Campbeltown? :poke:
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Stretching the legs of the S1000R on a glorious summers day, midweek with almost zero traffic. Not that traffic is ever a problem. :evil:
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In normal times I’m down there once or twice a week. Great stretch of road on a good day :driving:
 
Scubaregs said:
It's quite simply superb, I was finding myself slowing down to enjoy the scenery at times.
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I slow down to enjoy the scenery when these are around :police: :camera: :police: :camera: :police: :camera:
 
Ah yes, thanks to Brexit and COVID, the technically complex parts have wait time of about 6 months now so I see.
 
sars said:
Chris_D said:
.
https://www.sciencedirect.com/topics/engineering/system-failure-probability

I doubt you will read/understand it so I'll give you the short version;
Anything that can go wrong will go wrong.
The more things that can go wrong in any given system of things that can go wrong increases the probability of something going wrong in a shorter time period.

That's basic engineering.
You're welcome.
:wink:
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I don’t know where to start, you talk about basic engineering and then send a link concerning fibre reinforced plastic :headbang:
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You obviously didn't read further than the first few lines. Predictable. Fail. :headbang:

sars said:
There’s this thing, oh been out for years, mean time between failures, any company that mass produces any engineered product will statistically know a, how it will fail and b, when it will fail
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Citing MTBF (of a component) as an explanation for how manufaturers quantify realiability of the end user product (a car). Seriously? Somewhat of a naive and un-educated statement.
You obviously do not have any product engineering education/background, otherwise you would realise MTBF is a manufacturer-published value used at component and sub-component level and designated as an absolute minimum value for any car manufacturer for reliability and component cost when integrated as part of an overall system during the product development/prototyping phase.
FYI, when a serial-manufacturing company has completed the component selection phase for any given product they usually undertake their own testing/MTBF verification phase to a) verify the manufacturers claims, b) collate the cost/benefit ratio between alternate/second suppliers, c) continuity and uniformity of supply, d) satisfy the product development path requirements of the end user productas defined by the initial product plan.

q96169we said:
Hmm, people starts referencing papers, nice. Seems my three years of PhD research into dependability of computer system and four years of daily work on functional safety may have given me a little bit more materials to type.

Anyway, before I go into other materials, let's discuss the paper you referenced. In any of the system failure probability modeling methods as discussed in the paper or referenced by the paper, have you seen that the time (T) is always an important factor in the modeling? More specifically, the time here is referring to the duration since a system was initially built till the point when the probability is observed. In Layman's terms, the time (T) is usually known as the age of a system.

You are right, they are all basic engineering. However, there is science behine the engineering.
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I can verify for you via my 30 years in engineering, 15 of which as a NPD/NPI program manager in the nuclear and aerospace industries that your phd activities, while worthy and applicable to your particular field probably neglected to cover the widely-applied practice, particularly in the general consumer product market, of 'designed-obsolesence'. i.e. T (time) (in this case TTF or Time To Failure) is influenced by deliberate and articulated use of components or systems which are designed to fail within a given time frame. It abstractly attempts to tie in with 'innovation cycles' and 'model revisions'. It's something which is never officially divulged by manufacturers for obvious reasons, but I can verify absolutely for you that it is a 'thing' and it's implemented...a lot.
Claims that cars are more reliable than they have ever been are complete tosh. Maybe your starter motor is better than it was in the 70's but overall, expect to see a lot more system failures when compared to cars of 20 years ago.
A friend of mine has an Audi Q7. It's never been right from day one. He takes it to the dealer to get it fixed under warranty and is asked to park it behind the 9 other cars waiting to be fixed on a daily basis. Fk that in it's left ear. I ran an E36 Coupe for 20 years and racked up 280k miles. I placed an order for a brand new E46 M3 in 2002 and cancelled it (expensively) because I realised that the value of having an utterly reliable car as opposed to a nice but flawed and potentially unreliable new car was more important, to me at least.
It seems 'reliability' has been costed-out of the product development path these days in favour of shorter innovation/sales cycles at an end cost to the consumer.
In any case, good luck with the all gadgets working on your G29 after 10 years.
:thumbsup:
 
Anyone want to buy a complete set of Encyclopedia Britannica?

No longer needed as have access to a forum member that knows everything.
 
Scubaregs said:
Anyone want to buy a complete set of Encyclopedia Britannica?

No longer needed as have access to a forum member that knows everything.
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I think you're better off keeping hold of them mate.
You never know when that chapter on 'developing your personality' will come in handy.
:wink: :thumbsup:
 
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
I must stop feeding the troll
 
Chris_D said:
In any case, good luck with the all gadgets working on your G29 after 10 years.
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I guess while our G29 are 10 years old, your E85/E86 should still have been 13 years old.

Chris_D said:
It abstractly attempts to tie in with 'innovation cycles' and 'model revisions'. It's something which is never officially divulged by manufacturers for obvious reasons, but I can verify absolutely for you that it is a 'thing' and it's implemented...a lot.
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Difference between researching and engineering is that research can assume some ideal conditions to prove certain point holds true or false whereas engineering have to work in reality, which means there are always trade-offs or compromise to be made. If you insist that “deliberate and articulated use of components or systems which are designed to fail within a given time frame.”, which I will not disagree with you, how can you proof that the E85/E86 is significantly better than G29?

You then talked about your friend’s Q7. I am just wondering what’s your sample size on the specific issue with your friend’s Q7? Just some sample which is your friend’s? Or ten, twenty samples in the same dealer? Many of my friends happen to own some Q7 from new or used. I wouldn’t say they are solid as rock but I have not seen any significant difference compared to other models or manufacturer.

Now, back to those much hated gadgets by you. First of all, I don’t think G29 has much more critical gadgets than older cars like your E85/E86. For those non critical gadgets like ambient light, iDrive, or even hud, after 10 or 20 years when they failed, I don’t really care even if I still own the car. For those critical gadgets that will totally stop the car from working, I don’t think they’ve changed too much compared to E85/E86 due to the cost of recertification. Just like the aviation industry you’ve mentioned, the Boeing latest fly by wire system still adopts the same triple-triple redundancy design as it’s initially introduced in Boeing 777 and use Motorola 68k processor, intel 386 processor (plus a processor from AMD but I can’t remember the model), which I have to say those processors are much older than me.

Then, for those non critical gadgets, I wouldn’t say they all have the technology I have touched on. But I think 60-80% of them have the tech that I made contributions to. I can responsibly tell you that the level of verification we can do today is totally unthinkable 10 years ago and I have the confidence that they are much better from a design point of view. The manufacturing may affect the dependability of those gadgets. But then, E85/E86 is not gadget-less at all and how can you proof they were better done in E85/E86 than G29?

To be fair, if you decide not to buy any of latest cars or anything, that’s okay. As many people here have said, it’s your money so spend your way.
 
[ref]q96169we[/ref],

So true. The design and engineering abilities have changed massively.

By our friends logic we should remove auto choke as that is another point of failure. What was wrong with a good old fashioned manual choke?
Electric windows?

I’ll admit my reasons in believing cars are more reliable than ever on a critical level is anecdotal.
Cars starting in a cold morning.
Head gaskets being replaced regularly.
EFI was a big change to reliably.

What is less reliable is the entertainment systems, but in the old days they used to get nicked anyway! ;)

As for what will a g29 be like in 10 years, I suspect it will hold up quite well judging by the build quality.
I think the e89 with its complex roof mechanism has created problems with older cars compared to the simpler e85 roof.
 
ori said:
What is less reliable is the entertainment systems
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And this is what I categorised as non critical system that you can still drive the car. As you said, they used to get nicked anyway :tumbleweed:
Also, 3-5 years later when it failed after warranty, I think it’s likely due to I start playing the system in a non desired way from BMW’s point of view. :rofl: :rofl:

ori said:
As for what will a g29 be like in 10 years, I suspect it will hold up quite well judging by the build quality.
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I think as long as BMW’s IT department does not push any buggy RSU, I don’t really worry too much on the hardware side of things. It may occasionally need some component changed down the line but which car does not?
 
Chris_D said:
Scubaregs said:
Anyone want to buy a complete set of Encyclopedia Britannica?

No longer needed as have access to a forum member that knows everything.
Click to expand...
I think you're better off keeping hold of them mate.
You never know when that chapter on 'developing your personality' will come in handy.
:wink: :thumbsup:
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I think that’s the difference between us, my personality has already developed whilst yours appears to be stuck in pre adolescence.
 
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