BMW 540i Turbo LS Swap
Posted: Thu Aug 24, 2023 3:00 pm
Always a work in progress, but here is a project I've been working on. Its a 94 BMW 540, since swapped to an LS, with a medium sized turbo.
Proteus ECU with some basic Lua to control a second fuel pump.
16psi peak boost, dropping to redline. It has a known exhaust back pressure problem that I can't really do much about as it needs to have a catalytic converter and a muffler and there just isn't room for a full 4" exhaust. I'll be adding dome pressure to the wastegate to try to maintain boost pressure as the revs climb.
Proteus ECU with some basic Lua to control a second fuel pump.
16psi peak boost, dropping to redline. It has a known exhaust back pressure problem that I can't really do much about as it needs to have a catalytic converter and a muffler and there just isn't room for a full 4" exhaust. I'll be adding dome pressure to the wastegate to try to maintain boost pressure as the revs climb.
