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JBoe JBoe is offline
Junior Member
Posts: 424
Join Date: May 2018
Car: M240i
Default 05-26-2019, 06:21 PM

That's where the BEF comes in. Instead of targeting the leaner AFRs, they lower that target to a richer set point to provide the safety margins needed. There's tons of info on the net and many various application setups. I've been fortunate, over various vehicles, to run many variants. I've had failures, but they were either tuning related or due to engine components not being up to the task. I've popped many engines over the years... learning the hard way what not to do. Lol.
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