Originally Posted by
adamski frst
the bosch ones make a humming noise which is normal! i ran 003 and 023's and they were fine! i have uprated pumps and fiting kits for sale if ur interested..
Yes, but "uneven" noises and fuelcuts suggests that its not normal...
When tuners like mr. Shead above has tested, and the cheap pump flows better, why spend more money on one that doesnt work as well?