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Need advice on modding my 335is with DCT.
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03-17-2021, 08:39 AM | #45 |
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- 335is DCT - 10.5 @ 132 and dropping!
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03-17-2021, 08:49 AM | #46 | |
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Might be a good idea to run a less aggressive tune, until you sort out the rail pressure issue. |
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03-17-2021, 08:50 AM | #47 |
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Thanks for the info. Mines just so slow right now to sixty foot - 2.2 seconds or worse. Almost too embarrassing to run it at the track without trying LC. Obviously more suited for roll racing at this point.
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04-03-2021, 09:08 PM | #48 |
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Finally got around to installing Virtual Dyno. Here's my final E93 file versus my second recent E40. The most recent E40 log was all over the map and showed too much disparity when changing smoothing so I'm not using it for this comparison. Does this look accurate to you guys? No PI and running stage 2 LPFP. The air temps are a little off which is skewing the results some, but otherwise I'm thinking they're in the ballpark. Also, how can I get rid of the excess dyno line?
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05-19-2021, 09:06 PM | #49 |
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Ok, quick question for you guys. I've installed my port injection but haven't wired it up yet. It's just setting there acting as an expensive manifold spacer. Anyway, I've about maxed out the fuel system on E40 on Stage 2 LPFP and stock HPFP. I don't have any dyno numbers but the car trapped 128-130 in the 1/4. I'd rather not run the stage 3 LPFP and hobbs if at all possible, so I'm curious once I wire up the port injection, how much power can I potentially gain or what's the max power expectation out of the car running just the stage 2 LPFP?
I don't like the idea of the stage 3 pump not kicking in and risking the engine from running lean if it blows a fuse. I'm not looking for 700whp, but 650whp would be nice. As a reminder, the car is running Dynamic Autowerks 775rs turbos, VRSF 3.5" exhaust, VRSF 7 1/2" race intercooler, Catless DP's, inlets, outlets, and stock DCT.
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- 335is DCT - 10.5 @ 132 and dropping!
Last edited by Grip Grip; 05-19-2021 at 09:12 PM.. |
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05-19-2021, 10:45 PM | #50 |
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Random, but have you considered getting the XHP flash for the DCT? Made a world difference for me. I set my Launch RPM to Performance mode @ 2500 rpm. All in all the PI is going to help out your HPFP no doubt.... it's extra fueling so you'll be able to squeeze some ponies out of the engine. As far as the Stage 3 pump I haven't heard of any failing or causing lean issues. You can even keep your hobb switch in the trunk without having to wire it to the front or install it on a charge pipe
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05-20-2021, 06:23 AM | #51 | |
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2011 335is DCT BQ Tuning / BMS CAI / VRSF kittyless DP's / Synapse BOV and charge pipe / 7" VRSF Race FMIC / Walbro 535 and 450 on BMP4 / E90 tune / Diff Brace / PR Coils / Relocation Inlets / DAW Stage3+ Turbos / MMP port injection / xHP Stage 3 / FPR and -6 fuel lines
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05-20-2021, 09:47 AM | #52 | |
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I was thinking the Stage 2 LPFP would be out of steam before the HPFP even with the small 550's in the PI. Only one way to find out.
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05-20-2021, 12:26 PM | #53 | |
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In my opinion installing the second pump and Hobbs is easy but depends on what you want to do and skills. If you don't want to run that put a Walbro 535 in the tank. That would give you the most GPM without upgrading the EKP
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2011 335is DCT BQ Tuning / BMS CAI / VRSF kittyless DP's / Synapse BOV and charge pipe / 7" VRSF Race FMIC / Walbro 535 and 450 on BMP4 / E90 tune / Diff Brace / PR Coils / Relocation Inlets / DAW Stage3+ Turbos / MMP port injection / xHP Stage 3 / FPR and -6 fuel lines
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05-20-2021, 01:08 PM | #54 | |
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I'll likely just wire the PI and see if the 450 can keep up. If it starts falling off before I'm satisfied with the power, or before the tune maxes out my turbos, I'll swap in a 535 as you suggested and call it a day. Hopefully I can find a real one.
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- 335is DCT - 10.5 @ 132 and dropping!
Last edited by Grip Grip; 05-20-2021 at 09:38 PM.. |
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05-20-2021, 10:49 PM | #55 | |
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Greatest way to install the Stage 3 pump haha. Were you able to actually put the hobb switch on the vacuum line or did you need to get a larger one? I haven't installed mine, but that's the easiest way to do it no doubt.
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06-07-2021, 10:46 AM | #56 | |
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06-07-2021, 11:42 AM | #57 |
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Wish I had thought about that before running all the way to the intake.
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2011 335is DCT BQ Tuning / BMS CAI / VRSF kittyless DP's / Synapse BOV and charge pipe / 7" VRSF Race FMIC / Walbro 535 and 450 on BMP4 / E90 tune / Diff Brace / PR Coils / Relocation Inlets / DAW Stage3+ Turbos / MMP port injection / xHP Stage 3 / FPR and -6 fuel lines
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06-23-2021, 08:20 PM | #58 |
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UPDATE:
Okay, I have the port injection programmed and working now, but still only running just one walbro 450 pump with the DAW turbos. Car is freaky fast to me and seems day to night quicker than when it trapped 130. The torque limiting is killing the 3-4 shift, but I'm getting XHP this weekend which should eliminate that. Hybrid turbos (DAW775's), Stage 2 LPFP, inlets/outlets, 7 1/2" intercooler, PI with 550cc injectors, Motiv tuning (Chris), and VRSF exhaust. https://datazap.me/u/awheelus/335is-...22-26-28-30-31 . . . . . . . .
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- 335is DCT - 10.5 @ 132 and dropping!
Last edited by Grip Grip; 06-23-2021 at 10:01 PM.. |
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06-24-2021, 03:44 AM | #59 | |
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WGDC over 80% is that normal for DAW? |
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06-24-2021, 06:07 AM | #60 |
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Looking great! You should have the new FF module today or tomorrow too.
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2011 335is DCT BQ Tuning / BMS CAI / VRSF kittyless DP's / Synapse BOV and charge pipe / 7" VRSF Race FMIC / Walbro 535 and 450 on BMP4 / E90 tune / Diff Brace / PR Coils / Relocation Inlets / DAW Stage3+ Turbos / MMP port injection / xHP Stage 3 / FPR and -6 fuel lines
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06-24-2021, 09:17 AM | #61 |
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2008 335xi 6MT - 16T China Turbskies - eBay FMIC, DP & CP - VRSF Inlets - SSR DCI's - Walbro 450 LPFP - RFP e85 Tune
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06-24-2021, 07:16 PM | #62 | |
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Got it, thanks.
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06-28-2021, 06:02 PM | #63 |
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Installed XHP Stage 3 (V1.3) on my DCT car yet the 3-4 shift is slow as hell from slipping I suppose. Should I be making custom adjustments to the XHP tune or leave it alone. Power level's around 600whp.
https://datazap.me/u/awheelus/335is-...og=0&data=3-21 https://datazap.me/u/awheelus/335is-...og=1&data=3-21
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06-28-2021, 06:10 PM | #64 | |
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06-28-2021, 06:16 PM | #65 | |
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What options do you have for DCT under custom settings? |
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06-28-2021, 09:38 PM | #66 | ||
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A bunch and have only glanced at them a couple times.
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