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BMW 3-Series (E90 E92) Forum
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More power out of my N55
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07-05-2021, 02:21 PM | #1 |
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More power out of my N55
I have a 2011 BMW e92 335i and I was planning to push more power out of it. I was thinking about pushing it to stage 2 or stage 2+ on MHD. This is my current modifications at the moment.
BMS air intake VRSF charge pipe VRSF fmic VRSF Down pipes I am currently on MHD stage 1, which doesn't feel much of a difference from stock. My mileage is 106k but maintenance first, so stuff like valve cover, oil filter housing gaskets are good. In the whole cars lifetime, the HPFP hasn't been replaced and I have a inactive code for it on MHD but its still running and driving fine. I make sure I don't let the fuel tank drop more than 1/4 of a tank. I am about to replace my coil and plugs to delphi coils and oem plugs before I switch to MHD Stage 2. Do you guys think I should be fine or have any other concerns? |
07-05-2021, 02:37 PM | #2 |
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You'll be fine. If anything fails, it was already on its way out and being pushed harder just brought the weak link to the forefront. At 100k you're probably due for a walnut blasting as well. Other than that, keep an eye on the logs to make sure your HPFP is keeping up and enjoy!
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Tony71411.00 |
07-05-2021, 07:33 PM | #4 |
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I would go with eldor coils and ngk one step cooler plugs... The code you are getting is not a tank fuel pump so fuel level is irrelevant unless empty... You car will go into limp mode once the HPFP is done which is giving you warning.. I would go with stock intake for more power also.
Other than that pray the bottom end holds up, this has nothing to do with tune but more to do with the long oil intervals and sub par bearings.. |
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07-05-2021, 08:24 PM | #5 | |
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07-06-2021, 09:17 AM | #7 | |
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Custom tune is where it's at tho. |
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