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      09-11-2023, 02:23 PM   #53
houtan
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Drives: 2011 135i
Join Date: Jun 2013
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2011 135i  [9.80]
Does anyone know what the max whp this thing can put out is? Fueling is a major issue on these cars. I know ET3 just released a EKP that can run a dual pump setup. Finding a shop that can wire it in might be the tough part.... that's what I'm finding. You really need the percision raceworks stage 3 LPFP setup to maximize returns. Hobs switch is dicey.

Thanks for your post.

By “this thing”, are you referring to the turbo? If so, my guess is 650whp should not be an issue.

By “these cars”, I am assuming you mean n55 powers cars. But are you referring to early e series, late e series, or f series n55 cars? They are slightly different and definitely do not enjoy the same tuning support.

I have never heard of ET3. Any links. I have been running a BPM4 for a few years now. Not one issue. And it can control/activate multiple pumps I believe. I know it can control two lpfp for sure.

Also, what fuel/ power level are you assuming when you say three pumps would be required?
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