| 10-16-2022, 12:14 AM | #1 |
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Private First Class
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"FBO" + OTS BM3 Stage 2 Flexfuel, what's next?
Current performance mods:
Catless downpipe AA EL Mid J + Charge pipes BM3 Flexfuel kit BM3 OTS Stage 2 flex tune (I always have different blends of E) So other than larger turbos (plan on doing next year), what's the next step (if any) to gain noticeable power? I do have a vargas crankhub installed btw |
| 10-16-2022, 09:52 AM | #2 |
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Major General
 
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PJT Custom E85 map with M5 injectors would be next for stock turbos & fuel pumps.
When you get the turbos and want full-E you'll exceed stock injectors, LPFP and HPFP flow volumes. At that point it's PRW 3.5 Brushless and either the Dorch lift kit or Stage1 HPFPs.
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'18 F80 Base 6MT | '19 F82 Exec DCT | '18 F82 Comp Exec DCT | '23 G80cx
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| 10-19-2022, 02:23 AM | #3 |
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Custom tune, front heat exchanger, redline water wetter, wagner intercooler.
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2017 F80 M3 ZCP / AA GESI DPs / Akrapovic Evo / BBS FI-R 19" / Bend Calibration ECUTEK Flex Fuel | Bilstein B16 DDC + CS EDC / BMC Filters / BMS OCC / CSF HE / ESS CP / Nitto NT555R2 / PD Crank Hub / SPL Suspension / Uniden R7 / Wagner Top Mount IC
2021 Mini GP3 / BMC Filters / BM3 / Cary Jordan E30 / Wagner IC / Remus Race |
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| 10-19-2022, 12:40 PM | #4 |
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BimmerPost Supporting Vendor
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I recommend you get cooling mods to prepare for the turbo upgrade later.
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| 10-19-2022, 01:25 PM | #5 |
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BimmerPost Supporting Vendor
1922
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I agree with the two above next step is to keep that power.
We have heat exchangers and top mount coolers with lifetime warranty to replace the factory parts. In our experience the factory top mounts don't tend to last long with higher boost. We have seen many internal leaks that end up in the motor. Heat Exchanger - https://mad-us.com/mad-bmw-s55-front...2-competition/ Top mount cooler - https://mad-us.com/mad-bmw-s55-top-m...2-competition/
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