Budz3769 Posted December 21, 2020 Share Posted December 21, 2020 Hi everyone, hope your all staying safe and doing well. I have 2 a4’s, both 1.8T, both FWD and my new one needs a the head doing. My old one is an AVJ 150 BHP and my new one is a BFB 163BHP. If I remove the head off the 150 engine get it sorted and put it on the 163 as I going to have any performance lost from this/will my engine suffer? Or is it mainly software and turbo etc that make the difference, any help would be great. thanks 👍 Quote Link to comment Share on other sites More sharing options...
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