Hello mercedes friends. I have swapped 6mm elements into my pump, it works fine but not real power increase before i adjust the max fuel for each cylinder. I have tried minimal adjustments, but i screwed up. is there any way to adjust this diy without the bosch machine? Anything more than stock is a...

Thank you! I have adjusted the idle screw. I think my pump is turnes 2.6-2.7 as it will almoast not return to idle have of course adjusted the low idle screw. Will try max rpm next!

Hello! Greetings from Norway!

I want to tweak my stock pump to the max before i buy a new one.

I have done the max fuel screw max and thats all........

Is there any more adjustments i can do ? and how much is "max" ?