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.
BMW 540i Turbo LS Swap
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mtmotorsport
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BMW 540i Turbo LS Swap
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- 540 dyno.jpg (171.06 KiB) Viewed 4740 times
Matt
MT Motorsport / EcotecMiata
MT Motorsport / EcotecMiata
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AndreyB
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Re: BMW 540i Turbo LS Swap
Thank you for posting it warms my heart to see rusEFI used 
Very limited telepathic abilities - please post logs & tunes where appropriate - http://rusefi.com/s/questions
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Always looking for C/C++/Java/PHP developers! Please help us see https://rusefi.com/s/howtocontribute
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mtmotorsport
- Posts: 91
- Joined: Wed Mar 31, 2021 10:00 pm
Re: BMW 540i Turbo LS Swap
Pictures soon, and tune will be uploaded later as well
Matt
MT Motorsport / EcotecMiata
MT Motorsport / EcotecMiata