There is less than 300ml each in the M3 tyres - not a great deal when u consider that centrifugal force spins the liquid around the tyre.
The product I am using stays in liquid form - its very fluid (if u get my meaning) not sticky or "rubbery" in any way.
With this product (see earlier post) the wheels need to balanced before the Air-Seal is used/inserted - so as mine were that was not a problem.
Anyway its in now - and there is no discernible difference.
I belive there are many different products of this type - so do take care to choose the one which suits u/yr car best
Hope this helps
