tinyurl.com/y9huxuto

Ebay might be cheaper than a refurb - depends how old your car is - spending £200 on a wheel / tyre for a 6/7 year old car would be splashing the cash. If the car is newish it could be worth it.

What attempts have been made? The usual cause is corrosion around the rim where the tyre bead sits. Take a mug of water, add six drops of washing up liquid and, using a paint brush, paint in the groove where the tyre meets the rim. Bubbles will show where the problem is. Take the wheel off to do both sides. Mark with chalk. Find a back street second hand tyre wallah who should be able to cure it for a tenner with a good scrape and wire brushing and smear of black bituminous gunge. If the wheel is dinted and out of balance it will be obvious when he spins it on the balancer. Unless you have regular long high speed motorway runs a mild imbalance can be negated to tolerable levels with weights. If the dint is too severe, you could try beating it out with the aid of a blow lamp - carefully with alloy because it will crack more easily than steel. Use a large round-headed hammer, or small sledge hammer via an old spoon or piece of wood to disperse the blow. I have done this in the past with success when there is nothing to lose if it cracks. Might be worth painting the tyre as well - I was recently fooled by rim corrosion AND an invisible tiny nail!