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DIY: N20 TMAP - re-pin stock plug
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03-27-2017, 11:47 AM | #1 |
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DIY: N20 TMAP - re-pin stock plug
The stock n55 TMAP is only good for reading up to 2.5bar (36.25 psi), which is the sum of both the barometric pressure reading (typically 14.1 to 15.1psi) and the pressure built up in the charge-pipe (stock 8psi to 21psi+). It is easy to see how the stock sensor is not ideal when pushing the limits of the stock turbo.
The answer is to move to a 3.5 bar (N20) TMAP or even a 4bar sensor. The problem is the stock plug fits into the N20 sensor upside down. You can either buy an adapter, or, you can re-pin your stock plug which is what I chose to do. Sensor: https://www.ecstuning.com/b-genuine-...r/13627843531/ The process is simple really: 1) Use something flat (screwdriver) to release the latch on the plug that holds the pins in place. 2) Use something like a paperclip or a thumbtack to release the pins. 3) Pull pins out of the plug. 4) Reinstall pins in reverse order. 5) Plug in your new N20 TMAP sensor. 6) Flash your new tune that is re-scaled to take advantage of an N20 TMAP (MHD for N55 has this option). Last edited by bNks334; 03-28-2017 at 09:46 AM.. |
05-02-2017, 09:09 PM | #3 |
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does this work on the n54 as well?
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05-04-2017, 07:41 AM | #4 |
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06-09-2017, 09:20 AM | #6 |
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I don't think Stage 2+ pushes more than 20psi so you have some headroom left with the stock sensor. Not clue if the "greater resolution" of having a higher reading sensor would provide any benefits or not...
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07-18-2017, 11:27 AM | #7 |
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it works i tried it
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07-18-2017, 10:36 PM | #8 |
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07-19-2017, 11:49 AM | #9 |
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^ re-pinned TMAP sensor, no need for burgermotorsports... just repin in reverse... saves $100
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07-19-2017, 11:53 AM | #10 |
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MHD Stage 2+ e60 OTS|VRSF V2 Catless DPs|VRSF 7 Inch FMIC|VRSF Charger Pipes|Turbosmart Supersonic BOV|K&N DCI's|VRSF OEM Silicone Inlets|BMS OCC|FUEL IT STAGE 2|07+ TCU Conversion|XHP Flashtool Stage 3 Race Map|1m Front Bumper|CSL Wing|Aero Rear Bumper|DTM U Shaped LED Angel Eyes with RGB Demon Eyes|M3 Cowl |
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07-19-2017, 02:47 PM | #12 |
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as you can see their clearly just switched around the plug ends lol.
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06' Space Grey 335i FBO
MHD Stage 2+ e60 OTS|VRSF V2 Catless DPs|VRSF 7 Inch FMIC|VRSF Charger Pipes|Turbosmart Supersonic BOV|K&N DCI's|VRSF OEM Silicone Inlets|BMS OCC|FUEL IT STAGE 2|07+ TCU Conversion|XHP Flashtool Stage 3 Race Map|1m Front Bumper|CSL Wing|Aero Rear Bumper|DTM U Shaped LED Angel Eyes with RGB Demon Eyes|M3 Cowl |
07-27-2017, 05:09 AM | #13 |
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MMM335
are you showing the location of where the pins go on the N20 TMAP? looks the same as OEM...
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07-27-2017, 10:12 AM | #14 | |
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Quote:
Label the wires yourself with some tape and a pen... No one can guarantee the wire color itself is the same across cars... |
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07-28-2017, 07:07 PM | #15 |
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take them out and put them back in reverse order, not difficult as the plug-housing is typically just back to front lol
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08-08-2017, 12:41 PM | #16 |
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Very nice find!!
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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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08-12-2017, 05:08 PM | #17 |
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thanks it amazes lots ?
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MHD Stage 2+ e60 OTS|VRSF V2 Catless DPs|VRSF 7 Inch FMIC|VRSF Charger Pipes|Turbosmart Supersonic BOV|K&N DCI's|VRSF OEM Silicone Inlets|BMS OCC|FUEL IT STAGE 2|07+ TCU Conversion|XHP Flashtool Stage 3 Race Map|1m Front Bumper|CSL Wing|Aero Rear Bumper|DTM U Shaped LED Angel Eyes with RGB Demon Eyes|M3 Cowl |
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06-09-2018, 12:06 PM | #20 |
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Just did mine since I was hooking up Flex Fuel and already right there.
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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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06-11-2018, 10:52 AM | #21 |
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Had to revert it back. Was throwing codes even after I reset them.
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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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06-22-2018, 04:05 PM | #22 |
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chargepipe, n20, psi, sensor, tmap |
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