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TALKING TORQUE Feel free to discuss your Driving Experience in all other models as well!

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  #1  
Old 30th December 2017, 08:04 PM
BenzBoy BenzBoy is offline
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Default Run Flat stupidity

On here I reckon we all know that a run flat tyre is a waste of time:
Read how long they last:
https://www.pirelli.com/tyres/en-au/...lat-technology

Anyway, a friend recently bough a large British built 4WD and drove it to the Hunter Valley. Yes, it got a puncture on the highway on the first day of being used. Madam took it back to the showroom and deposited it on the showroom floor demanding satisfaction - as one does when spending half a million dollars. The dealer is supplying a spare and cradle at their expense...
No; not a Mercedes; they won't even supply a spare for all the tea in China.
Given that you have only 80 Ks to complete your journey on a run-flat it would make sense to buy only from good reliable Korean companies that don't use run-flat disasters......
What brand of car? You can work it out from the price...
Regards,
Brian
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Old 1st January 2018, 12:54 PM
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WGB WGB is offline
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Default Re: Run Flat stupidity

Hi Brian,

My wife's 165 2014 ML 350 bluetech came as new with runflats and a spare - admittedly a space saver.

My 2014 222 S350 bluetech came with a strange oblong hole in the boot floor with a large battery sitting in the middle and runflats but no spare. At about 20K one of the front 20 inch tyres started to delaminate but fortunately I was at home in my garage when I noticed it.

Two new front tyres later I descended on the agents and requested a spare - "certainly Sir - available ex-Germany $5k". This sum magically became $2.5K and when I said I would pay that they said "There are a number of 222 S Classes in the country so they would use me as a test case".

End result - space saver spare wheel from an ML, Spacesaver tyre from a VW Tourag, Genuine M-B jack kit and wheel brace ( as none comes with the car as standard), Canvas wheel cover(spare must be stored in boot) and set of specific wheel bolts for metal wheels.

Total cost $950.

This proved very useful when on the next country trip I delaminated one of the rear tyres but I was able to drive the last 250 km at 80kph on my new space saver spare and thus get home.

Usually the spare in it's cover sits in the garage while driving around town and only goes into the boot for longer trips.

Apart from the cost saving there is of course a weight saving which helps the manufacturer with fuel economy testing - but in a big country like ours it can be potentially life threatening not to have a spare.

Fortunately Grand Lodge provides me with a Holden Caprice V which has now done 53K of country running around WA and comes with a full sized spare.

When I hand it back later in the year I am seriously considering fitting my S Class with a set of 18 inch wheels and tyres as the 20 " look great but are not very practical for long distance running and the lack of a spare is downright indefensible.

Bill

Last edited by WGB; 1st January 2018 at 01:04 PM.
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  #3  
Old 1st January 2018, 02:11 PM
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Default Re: Run Flat stupidity

Even in the city these run flat options don't take into consideration that it can be difficult to find a tyre retailer open 24x7 if you don't get a flat during business hours. I lost a whole day of a holiday after getting a puncture on a Sunday in Norway and trying to find an open tyre place that not only had a tyre, but a wheel as well. Apparently once you put the 'tyre goo' in the tyre after you've driven on it a bit there is a fair amount of work to get the wheel ready to mount a new tyre.

On my E350 there is a space saver, but there is a spare tyre well. When I get my new tyres soon I am going to save the best tyre and get a cheap 16" mercedes alloy as a spare. The E350 is my wife's car and with 3 children under four I need the NRMA to be able to change the wheel for her and for her to be able to drive the car as normal until the next Saturday when I get get the tyre fixed.

I find it incredible that an S class doesn't even have a space saver.
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Old 1st January 2018, 03:22 PM
BenzBoy BenzBoy is offline
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Default Re: Run Flat stupidity

The ML has a space saver which I used once in town in the wet and the car was quite unstable. I kept to 50KPH much to the annoyance of the traffic on the M2 but I believed I had no option. Faster was not safe. When I leave the CBD I take a full sized spare with me in the boot.
Everything else has a proper spare and of course the PII has 2 spares but I'm not sure I could change a wheel on that beast; it's hard enough lifting one wheel let alone getting it aligned and on to a splined hub.
Run-flats are supposed to be safer in that they don't suddenly lose air and that would be OK if equipped with a spare.
Not all upgrades are progress ... sadly.
Regards,
Brian
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Old 1st January 2018, 07:15 PM
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Default Re: Run Flat stupidity

Madness that it seems they have to be replaced when you get a puncture. A full size spare is a bit of dead weight and I'm a RACV Total Care Member. Sometimes I toy with the idea of just ditching the spare and getting a tow if I get a flat. Easy and cheap to put a tube in a 'normal' tyre, but my 'solution' is hardly convenient and won't work in the outback.

It's been a long time since I had a flat, but I'm probably just tempting fate so I best keep that quiet!!
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Old 2nd January 2018, 02:10 PM
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Default Re: Run Flat stupidity

We bought a new SUV recently, and I ditched a couple of options because they only came with run flats and no spare. I never thought I would be getting blank stares asking if we can option something as basic as a spare tyre.

We don't live in a large city and do a lot of country road driving, and even if we were able to quickly get a replacement, I can't cop having to replace a tyre after a puncture instead of getting it repaired.

So, with the likes of BMW and Mercedes off the list, which is saying something because the Mrs liked the BMW and I liked the Merc, we ended up with a Volvo parked in the garage, spare tyre and all.
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Old 2nd January 2018, 04:35 PM
BenzBoy BenzBoy is offline
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Default Re: Run Flat stupidity

For that reason alone the Volvo makes sense.
I get at least 2 punctures a year in anyone of the 5 cars; living in the inner city means lots of building work and hence screws and nails on the road.
Regards,
Brian
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Old 2nd January 2018, 06:05 PM
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Default Re: Run Flat stupidity

Tyres aside, the Volvo is actually a better car than the BMW and Merc competitors. They each do some things well, but lack in other areas. The Volvo does more things well than the other two.
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Old 4th January 2018, 06:43 AM
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Default Re: Run Flat stupidity

Quote:
Originally Posted by -bb- View Post
Tyres aside, the Volvo is actually a better car than the BMW and Merc competitors. They each do some things well, but lack in other areas. The Volvo does more things well than the other two.
Traitor! 😂😂
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Old 5th January 2019, 09:38 AM
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Default Re: Run Flat stupidity

My Aunt recently traded in her C class for an X3 BMW. My cousin has just purchased a farm near goulburn and she was down there when she got a flat in her run flat tyres (no spare tyre on the X3). Golburn is too far away to drive back to Sydney on a Run flat and none of the tyre places in Golburn had one. She was stuck there for two days until a tyre could be sent down from Sydney.
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Old 5th January 2019, 09:50 AM
BenzBoy BenzBoy is offline
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Default Re: Run Flat stupidity

Quote:
Originally Posted by c107 View Post
My Aunt recently traded in her C class for an X3 BMW. My cousin has just purchased a farm near goulburn and she was down there when she got a flat in her run flat tyres (no spare tyre on the X3). Golburn is too far away to drive back to Sydney on a Run flat and none of the tyre places in Golburn had one. She was stuck there for two days until a tyre could be sent down from Sydney.
Hmmmm - my ML is now 19 years old and I contemplated changing it for a new version (GL something or other - the new MB naming system bears no relationship to reality) but discovered that the new you-beaut all terrain 4 WD comes with run flats. That finished the deal. No way do I intend to be stuck just outside Sydney with no way of driving home. Oh MB, you are really making a fool out of your legacy for engineering excellence. BMW is in the same boat.
A curse on your marketing departments who have clearly never driven a car outside the CBD of Stuttgart. MB - you deserve to fail in the Australian market.
Regards,
Brian
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Old 5th January 2019, 04:57 PM
sean sherry sean sherry is offline
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Smile Re: Run Flat stupidity

Well.. well.. The new Camry Hybrid drives as well as the rest of them and has a full spare to boot... but only buy the base Model.
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Old 12th January 2019, 03:22 PM
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Default Re: Run Flat stupidity

My Brother is moving from Sydney to Perth. Instead of trailering the car, he decided to drive it over. From what I hear its been a good drive. He owns an E63 BMW. Like many BMW's of the era, it came new with runflats, so no spare tyre. The body shell does have a provision for the spare tyre, but his model year this is used for the battery and fuse box. Having the fuse box below the cargo area seems a good way of having a leaky esky play havoc with your electrics but who knows.

Anyway, his car's previous owner changed the 16" runflats with 18" or 19" aftermarket wheels. They are a staggered setup with wider tyres at the rear. The car handles quite well, although I think it would be nicer with smaller wheels, as the ride isn't as supple as it could be.

The new tyres are not runflats so there is no spare. the Prev owner did buy a 5th alloy wheel, but this has no tyre mounted.

My advice for my brother was to buy a tyre same size as the fronts and mount it to this wheel, and at least keep it in the boot as a spare. It can live in the garage unless he is doing open road driving. He felt that a can of goo would be sufficient.

Suffice to say I just got this picture from him. At least he is only 400km from Perth. I was hoping to be wrong on this occasion!


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