3.5 TMAP upgrade.

Supahone · 01-14-2021, 06:13 PM

Do I have to code/tune my 07 e92 in order for a 3.5 TMAP to function normally on a relatively stock engine other the typical FMIC, charge pipe and DIC? Will it do anything negative if I install it before a tune? Thanks

Smgs1992 · 01-14-2021, 07:05 PM

It wont read correctly if i’m not mistaken. It’s a really easy install so just wait till the car is tuned and then check the box for the 3.5 bar tmap sensor

IllSic_Design · 01-14-2021, 07:11 PM

It won't be scaled/read correctly if not tuned/coded for it, and also you need to buy an adapter harness or remove the pins from the stock connector and reverse the order.

Edit: Why are you wanting to install if you only have an FMIC, charge pipe, and DCI?

SixSix · 01-14-2021, 07:13 PM

It likely won't read correctly, but I'm unsure. If you're already pretty much FBO you should have some sort of tuning software. MHD for sure has an option for the 3.5bar TMAP sensor, not sure about JB4 but I'm pretty sure they also have an option for it.

Supahone · 01-14-2021, 08:13 PM

Thanks for the replies. My goal is to get a tune. I will be getting a stage 2 fuel pump to take advantage of E85. Still not sure about the DP as I dont want to deal with cel. As for the 3.5 TMAP I know its required to fully take advantage of a tune, just wasnt sure if it did anything stock. As for the tune, I'm leaning toward the MHD Stage 2plus. Though the JB4 with a back end tune sounds appealing as well.

IllSic_Design · 01-14-2021, 08:15 PM

Quote:

Originally Posted by Supahone

Thanks for the replies. My goal is to get a tune. I will be getting a stage 2 fuel pump to take advantage of E85. Still not sure about the DP as I dont want to deal with cel. As for the 3.5 TMAP I know its required to fully take advantage of a tune, just wasnt sure if it did anything stock. As for the tune, I'm leaning toward the MHD Stage 2plus. Though the JB4 with a back end tune sounds appealing as well.

The MHD tune will make the CEL not show. You will technically have a shadow code but it wont hurt anything and not show on the dash.

nicky dj · 01-14-2021, 08:17 PM

Quote:

Originally Posted by Supahone

Thanks for the replies. My goal is to get a tune. I will be getting a stage 2 fuel pump to take advantage of E85. Still not sure about the DP as I dont want to deal with cel. As for the 3.5 TMAP I know its required to fully take advantage of a tune, just wasnt sure if it did anything stock. As for the tune, I'm leaning toward the MHD Stage 2plus. Though the JB4 with a back end tune sounds appealing as well.

Wait, what? Isn't the 3.5 tmap only needed if you are pushing over 21PSI of boost? Still wondering why you need it even with e85 e30 or e50

IllSic_Design · 01-14-2021, 08:18 PM

Quote:

Originally Posted by nicky dj

Wait, what? Isn't the 3.5 tmap only needed if you are pushing over 21PSI of boost? Still wondering why you need it even with e85 e30 or e50

Correct

Smgs1992 · 01-14-2021, 09:10 PM

You wouldnt need a 3.5bar sensor if youre not gonna run a custom tune. Stock tunes dont go over 20psi. I dont think they target any higher than 18psi

Like stated as well with MHD you wouldnt get a CEL from downpipes.

It’s a good thing you joined because you obviously arent really sure what youre doing.

Oh and skip the JB4 with backend flash. For a regular bolt on car MHD will make you more than happy. Also just based off your statements. You do know you cant run straight E85 right? It would have to be a mix of pump and E. Atleast at the point youre talking about right now.

Supahone · 01-14-2021, 10:03 PM

Yes I am new to the e92, however only drive BMW. I just finished my F10 550i, prior to that an e46 325i and prior to a classic 318i. and I also drive an x5 35i for work. and though my f10 is a beast on the high end, I was looking for something more agile and less weight with the HP comparable to my F10. As for the e85 I only run 30%. Again I was under the impression running a 3.5 tmap had more benefits then running the stock one. As for the CEL in my state some testers are slick enough to check modified cars. But being an 07 I have one year before emissions is grandfathered. I agree the MHD package appears to have the variability and simplicity I'm looking for. Finally funny how the BMW mafia are always on alert.

IllSic_Design · 01-14-2021, 10:43 PM

Yeah no point in 3.5bar tmap unless running a custom tune and pushing 20psi or more. OTS tunes won't target past 18 i don't think. OEM TMAP is fine until 20psi+, then it can't read reliably much past that

Saif2018 · 01-15-2021, 10:21 AM

Quote:

Originally Posted by Supahone

Yes I am new to the e92, however only drive BMW. I just finished my F10 550i, prior to that an e46 325i and prior to a classic 318i. and I also drive an x5 35i for work. and though my f10 is a beast on the high end, I was looking for something more agile and less weight with the HP comparable to my F10. As for the e85 I only run 30%. Again I was under the impression running a 3.5 tmap had more benefits then running the stock one. As for the CEL in my state some testers are slick enough to check modified cars. But being an 07 I have one year before emissions is grandfathered. I agree the MHD package appears to have the variability and simplicity I'm looking for. Finally funny how the BMW mafia are always on alert.

Don't know about the Mafia, lol, but as stated, you won't get any benefit of running 3.5tmap, unless you have a custom tune pushing over 20 psi

If you plan on pushing the turbos past 20psi, then it's worth having the 3.5tmap, otherwise waste of money.

nicky dj · 01-17-2021, 05:05 PM

Quote:

Originally Posted by Supahone

Yes I am new to the e92, however only drive BMW. I just finished my F10 550i, prior to that an e46 325i and prior to a classic 318i. and I also drive an x5 35i for work. and though my f10 is a beast on the high end, I was looking for something more agile and less weight with the HP comparable to my F10. As for the e85 I only run 30%. Again I was under the impression running a 3.5 tmap had more benefits then running the stock one. As for the CEL in my state some testers are slick enough to check modified cars. But being an 07 I have one year before emissions is grandfathered. I agree the MHD package appears to have the variability and simplicity I'm looking for. Finally funny how the BMW mafia are always on alert.

Funny? We just saved you 130 bucks dim.

Supahone · 01-17-2021, 09:15 PM

On the contrary. Just trying to change the narrative that BMW owners can be a tad tight. Nonetheless thanks for the information.

ErvGotti · 01-18-2021, 03:46 AM

Do not run the 3.5 bar sensor without a custom tune. Even with the 3.5 bar sensor box checked in MHD, the actual load target scales tables are different.

On the stock sensor to get between 18-20 PSI the load target would be around 195- 200. This is what most stage 2+ OTS maps will be around. On my custom 3.5 bar map, my load target is around 173 getting around 21 PSI.

Basically if you install the 3.5 sensor and check the 3.5 bar option in MHD, but do not adjust your load tables accordingly by running a OTS tune, your boost targets will be dangerously high. Checking the box in MHD does not adjust the load tables.

01-14-2021, 06:13 PM	#1
Supahone Second Lieutenant 80 Rep 215 Posts Drives: 11 550I, 07 335I, Join Date: Oct 2018 Location: MA iTrader: (0)	3.5 TMAP upgrade. Do I have to code/tune my 07 e92 in order for a 3.5 TMAP to function normally on a relatively stock engine other the typical FMIC, charge pipe and DIC? Will it do anything negative if I install it before a tune? Thanks
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01-14-2021, 07:05 PM	#2
Smgs1992 Captain 720 Rep 946 Posts Drives: 2007 bmw 335i Join Date: Apr 2020 Location: Cincinnati ohio iTrader: (0)	It wont read correctly if i’m not mistaken. It’s a really easy install so just wait till the car is tuned and then check the box for the 3.5 bar tmap sensor __________________ 07 E92 335i 6MT, MMP inlets, DCI, VRSF 7.5 competition intercooler, VRSF catless downpipes, VRSF chargepipe, 335is clutch, Vader Solutions stage 2 LPFP, MHD stage 2+, Hawk HPS 5.0 pads, R1 Concepts drilled slotted rotors, TSW Nurburgring 19x8 19x9.5
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01-14-2021, 07:11 PM	#3
IllSic_Design Colonel 2124 Rep 2,758 Posts Drives: 09 E92 335i Join Date: Jun 2016 Location: Northern California iTrader: (1)	It won't be scaled/read correctly if not tuned/coded for it, and also you need to buy an adapter harness or remove the pins from the stock connector and reverse the order. Edit: Why are you wanting to install if you only have an FMIC, charge pipe, and DCI?
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01-14-2021, 07:13 PM	#4
SixSix Private 19 Rep 91 Posts Drives: (2007 BMW 335i E92) Join Date: Oct 2019 Location: Toronto, ON iTrader: (0) Garage List 2002 BMW 325xi [0.00] 2007 BMW 335i [0.00]	It likely won't read correctly, but I'm unsure. If you're already pretty much FBO you should have some sort of tuning software. MHD for sure has an option for the 3.5bar TMAP sensor, not sure about JB4 but I'm pretty sure they also have an option for it.
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01-14-2021, 08:13 PM	#5
Supahone Second Lieutenant 80 Rep 215 Posts Drives: 11 550I, 07 335I, Join Date: Oct 2018 Location: MA iTrader: (0)	Much Appreciated. Thanks for the replies. My goal is to get a tune. I will be getting a stage 2 fuel pump to take advantage of E85. Still not sure about the DP as I dont want to deal with cel. As for the 3.5 TMAP I know its required to fully take advantage of a tune, just wasnt sure if it did anything stock. As for the tune, I'm leaning toward the MHD Stage 2plus. Though the JB4 with a back end tune sounds appealing as well.
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01-14-2021, 09:10 PM	#9
Smgs1992 Captain 720 Rep 946 Posts Drives: 2007 bmw 335i Join Date: Apr 2020 Location: Cincinnati ohio iTrader: (0)	You wouldnt need a 3.5bar sensor if youre not gonna run a custom tune. Stock tunes dont go over 20psi. I dont think they target any higher than 18psi Like stated as well with MHD you wouldnt get a CEL from downpipes. It’s a good thing you joined because you obviously arent really sure what youre doing. Oh and skip the JB4 with backend flash. For a regular bolt on car MHD will make you more than happy. Also just based off your statements. You do know you cant run straight E85 right? It would have to be a mix of pump and E. Atleast at the point youre talking about right now. __________________ 07 E92 335i 6MT, MMP inlets, DCI, VRSF 7.5 competition intercooler, VRSF catless downpipes, VRSF chargepipe, 335is clutch, Vader Solutions stage 2 LPFP, MHD stage 2+, Hawk HPS 5.0 pads, R1 Concepts drilled slotted rotors, TSW Nurburgring 19x8 19x9.5
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01-14-2021, 10:03 PM	#10
Supahone Second Lieutenant 80 Rep 215 Posts Drives: 11 550I, 07 335I, Join Date: Oct 2018 Location: MA iTrader: (0)	Clarification Yes I am new to the e92, however only drive BMW. I just finished my F10 550i, prior to that an e46 325i and prior to a classic 318i. and I also drive an x5 35i for work. and though my f10 is a beast on the high end, I was looking for something more agile and less weight with the HP comparable to my F10. As for the e85 I only run 30%. Again I was under the impression running a 3.5 tmap had more benefits then running the stock one. As for the CEL in my state some testers are slick enough to check modified cars. But being an 07 I have one year before emissions is grandfathered. I agree the MHD package appears to have the variability and simplicity I'm looking for. Finally funny how the BMW mafia are always on alert.
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01-14-2021, 10:43 PM	#11
IllSic_Design Colonel 2124 Rep 2,758 Posts Drives: 09 E92 335i Join Date: Jun 2016 Location: Northern California iTrader: (1)	Yeah no point in 3.5bar tmap unless running a custom tune and pushing 20psi or more. OTS tunes won't target past 18 i don't think. OEM TMAP is fine until 20psi+, then it can't read reliably much past that
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01-17-2021, 09:15 PM	#14
Supahone Second Lieutenant 80 Rep 215 Posts Drives: 11 550I, 07 335I, Join Date: Oct 2018 Location: MA iTrader: (0)	Dim? On the contrary. Just trying to change the narrative that BMW owners can be a tad tight. Nonetheless thanks for the information.
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01-18-2021, 03:46 AM	#15
ErvGotti Major 124 Rep 1,362 Posts Drives: 2008 135i 6MT Join Date: Jul 2010 Location: Aviano iTrader: (5) Garage List 2008 135i [6.00]	Do not run the 3.5 bar sensor without a custom tune. Even with the 3.5 bar sensor box checked in MHD, the actual load target scales tables are different. On the stock sensor to get between 18-20 PSI the load target would be around 195- 200. This is what most stage 2+ OTS maps will be around. On my custom 3.5 bar map, my load target is around 173 getting around 21 PSI. Basically if you install the 3.5 sensor and check the 3.5 bar option in MHD, but do not adjust your load tables accordingly by running a OTS tune, your boost targets will be dangerously high. Checking the box in MHD does not adjust the load tables.
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