Fuel rail magnets cause baby pandas to catch flu and ladies of a certain age to learn the conga whilst shopping at the bakers. They have also been known to change the path of falling meteorites towards the vehicles to which they are fitted and all zip fasteners within 20 miles to suddenly get that 'tooth out to the side' fault, but only the ones with YKK written on them.
All proven facts.
If not, prove myself and Derek, my talking Unicorn, wrong ?