Kumho Ecsta tyres, budget?
- Thread starter srhutch
- Start date
Liverpool
Had a quick look at that option a couple of years back, but there was nothing officially ade for it, and anything custom made may still have fallen foul of the lack of listed towing capacity on the V5c which effectively means you can't tow anything.exdos said:
Moot point really though because I couldn't afford the petrol @ about the 6mpg I was getting by staying in 2nd gear lap after lap :thumbsdown:
mmm-five said:
If it's something you'd seriously consider BMW have something about this in the accessories brochure for the Z3 as below. I'm sure you could get VOSA to determine the towing capacity.
Here's a thread on the subject: http://www.zpost.com/forums/showthread.php?t=574966&highlight=tow. I'm sure that you could remove the tow ball at the track and when not in use.
ZedFourM said:
I assume the tyre in question is the KU39 which is Y rated, so no issue there.
I had KU39s on my Elise road wheels for a while - perfectly decent tyres in my view, even did a couple of wet days at Spa on them.
I have also had Kumho winter tyres on my old E46 330i, they were fine, not brilliant but I don't have a lot of experience with winter tyres so hard for me properly assess them.
Also Kumho make the V70a track day tyre which gets great reviews, I personally would have no issue using Kumho at all.
Chinese version of the michelin man
I managed to get 4 wheels in my roadster. With the roof up one in the boot 3 on the seat and pot well. It was very tight I know Marius has just taken the passengers seat out. So really no need few a trailer or roof rack. Just about an hour of your time to figure out the jigsaw and lots of bubble wrap!!
Yes, a Kumho V70a would be perfect for a Z4MC - although you'd have to carry a spare set with you for when you very quickly hit the wear bars as they only start with about 4mm of tread depth.saskia said:
As you will know, a tyre made to last 20 minutes on a smooth, grippy race track on a car weighing 1100kg does not necessarily translate into a tyre that will behave/perform on a greasy/wet/potholed/gritty B road in a car weighing 1500kg.
I'd happily have a Kumho, Nangang, Hankook, Avon, Pirelli, Yokohama, Silverstone, etc. track tyre on my Z4MC - but from experience the only ones of those I'd even consider for a road tyre (probably before ruling it out for one reason or another) would be the Kumho (high wear rate), Hankook (high wear rate) or Pirelli (poor in the wet).
Yes, I know Yokohama make some excellent sticky, track-focused tyres, but you'd not want to use them in the pouring rain or winter, nor would you expect them to last more than about 5k miles.
The track tyres (and championship sponsorship) are there purely to produce the 'halo' effect, so that joe public at least gives them a second thought before plumping for the known brand. Sometimes you'll get a bargain performance tyre, other times you'll give the tyre fitter double his usual margin.
If you can afford to throw £400 away on testing tyres of an unknown quantity then go or it. It may be that you don't need that extra 5-10% performance/grip/response/longevity that the more expensive tyre provides, so why waste money
I prefer to put on what I know will be good from the start, because I will be driving the car hard whenever the opportunity arises - so for me it's the Pilot SuperSport - but I'd be happy with the cheaper SportContact 5 or F1A2 if thy last as long
carl said:
They aren't the best of both worlds though are they? They are a compromise, not as good as a proper R compound tyre on track and not as good as a normal road tyre in poor conditions. Very good tyres I agree but still a compromise. Equally the MPSS (which I have) isa similar tyre, but a compromise still.
Moreover the real advantage to me of carrying a spare set is that you can run one set right down and still get home legally. Especially on multi-day foreign trips (e.g. 'ring and Spa) this is a serious consideration.
tertius said:
If your car is seriously focused for track days then the safest option of getting there and back is trailering. Alternatively, here's a link to a trailer hitch someone had fabricated for their Z4M: http://www.zpost.com/forums/showthread.php?t=844622&highlight=trailer BTW did you get your problem after DN8 sorted and what was the cause/cure?
exdos said:
I'm not really a fan of trailering for a number of reasons:
1. I don't have space for a trailer (this is the fatal flaw really)
2. Loading up is a bit of an effort
3. You are limited to 50 on the continent - slooooow!
4. Channel crossings are more expensive
5. The Z4 is a bloody heavy car to tow, not sure my V70 is up to it
And no the DN8 problem is not yet sorted/fully identified. It has been a bit of a mission tracking it down, each problem solved so far has revealed another. I will report fully when I have the whole picture.