Ecu Remapping, Rolling Roads And Insurance!
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13
Tyres..what's the best alternative to run flats
Morning Jon The main reason I moved away from run flats with the X5 E70 was tyre choice, with my E53 X5 I had plenty of practice. I learned that the recommended Star marked tyres were (a) not necessarily easy to get (often on back order) (b) They were also very premium priced (as you know) I started using Bridgestone and Hankook and found that they were as well matched in a staggered set as the Star marked tyres so no transmission damage. I brought the E70 to cut the miles going onto the other X5 and quickly moved it onto Hankook non run flats a set of 4 285x40x20 Front and 315x35x20 rear was just under £800. In my breakdown kit I have as said a small compressor a can of tyre weld (or similar) and a tyre plug set. I have used it a couple of times a friend of my wife has a Volvo V60 on run flats she ran over a screw one of the plugs fixed it and stayed fixed until she needed tyres. My son inlaw suffered pot hole damage to his 330e when visiting us, a can of Tyre weld got him from Sussex back to the West Midlands where they live. When he went to the tyre shop they said "shouldn't use that stuff mate we cant repair tyres that have it in" well with 2 splits in the inner side wall it was a new tyre anyway but at least he could drive 190 miles and not be stuck overnight waiting for somewhere to open. If there is a puddle I slow right down or go around if I can because in sunny Sussex it will be a Pot Hole I would go with a repair/limp kit like mine and fingers crossed the roads on the continent are in better nick than ours As an aside our son inlaw started a claim against the county council it took ages to get a resolution they wanted to know how many miles the tyre had covered ? then how old was it then said as it was a used item they couldn't offer full value !!!! An invitation to appear on Rogue Traders finally got through Dave -
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Clicking noise when disengaging the clutch,
Morning Kiernan Welcome to the Forum Something in the clutch is wearing or loose and will need investigation would be my guess Gearbox out job to repair Dave -
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Clicking noise when disengaging the clutch,
Clicking noise when disengaging clutch either when pulling off or changing gear, happens more in lower gears but can still happen in higher gears. if sat with engine running, in gear and handbrake on, and slowly release the clutch until it’s hitting point I will make the clicking noise aswell any ideas as to if this is serious or just a common bmw noise? -
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Tyres..what's the best alternative to run flats
Hi Dave, thanks for your fantastic reply. I'm on a staggered set and I recall the wheel shop retailer was concerned about the M40d brake calipers and the 19" space saver not fitting 21" wheel. Hmmm, been researching more, and people either love or hate RFTs, think I'm stuck with them until pcp runs out in Dec 2025, but I'm now nervous about long journeys abroad cos each time I have a sidewall blow out, there's no way to run the car for any distance without wrecking the rims... -
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Tyres..what's the best alternative to run flats
Hi Jon Welcome to the Forum First is your car fitted with a Square wheel set (same size rims front and rear) or a Staggered wheel set (Wider rear wheels than the front) I suspect your car will have a staggered set probably 8j Front and 9.5j rear, so fitting a space saver wheel/tyre will mean there will be a different rolling radius on one wheel which can cause damage to the Transfer case and or diffs quite quickly if driven on for any distance (probably why your Dealer was vague) Even if your car has a square set up if the rolling radius of one tyre is different damage can occur. It isn't just BMW who suffer from this many 4x4 cars have the same issue. First you would need to check the Off Set to make sure the 19" wheel clears your Brake callipers and fits in the boot along with a Jack and wheel brace. Then if you are sure it is only a real emergency measure and not a solution that will allow a distance to be covered and aware of the risks why not. I have 2 x X5;s both run 20" staggered wheels and early in their lives I changed run flats for standard tyres (as generally they are easier to source and wider choice, care still needs to be taken that front and rear Rolling Radius are closely matched) and I keep a small compressor and Tyre goo in the car in case (BMW actually supply these as well). I have used it twice and happy to say not on my car but to help out others. Hope this helps not confuses Dave
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