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Even worse, people tend to join forums like these after they start having problems which means that the numbers having problems are skewed and not representative of the general BMW owning population.
What would be very effective is the number of people who have experienced the problem after joining the forum therefore the problem was not the cause of joining the forum and would be representative.
If for example, 3 out of 20 pre-existing owners with the same wheels developed the same problem, this would suggest some sort of issue.
My twuppence worth.
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