Can I run 17t's and 2" inlets with stock tune?

Grip Grip · 07-09-2021, 09:55 AM

I bought a 335i yesterday with bad turbos. Makes no sense to me to spend more for oem's when I can get 17t's with 2" inlets for less.

Anyway, I want my daughter to drive the car a few months while I restore it, and she doesn't need big power. Once restored I'll sell it and get her something else.

So back to the question, will it drive okay on the stock tune with the upgraded turbos and inlets?

ErvGotti · 07-09-2021, 10:28 AM

It'll be fine if you baby it around, you might run into over boost issues if you go WOT. On a side note I have a open source unlocked MHD file for upgraded turbo's if you want it, tho you also need the N20 TMAP sensor to run it. It's from RFP which used to give out free maps. I ran it with my 17t's until I got my custom map from twisted tuning.

iqraceworks · 07-12-2021, 12:54 PM

Yes...probably fine if she babies it. But getting on the throttle hard...I would be worried that you might have problems with it leaning out the fuel too much with an MHD OTS Tune and those larger turbos.

I've seen LOTS of people who cheap out and but those ebay VIV 17t and 19t turbos...and then don't want to spend the money on a custom tune. Needless to say, all of those turbos start to fail very early on. Not sure if it's poor quality, the MHD tune, or a combination of both.

FYI....you should be able to use HMD to set boost limits for each gear. Just limit it to 8psi boost in all gears, and she won't be able to hurt anything.

Grip Grip · 07-12-2021, 02:31 PM

Quote:

Originally Posted by ErvGotti

It'll be fine if you baby it around, you might run into over boost issues if you go WOT. On a side note I have a open source unlocked MHD file for upgraded turbo's if you want it, tho you also need the N20 TMAP sensor to run it. It's from RFP which used to give out free maps. I ran it with my 17t's until I got my custom map from twisted tuning.

Thanks. Might hit you up for the file in a few weeks.

Quote:

Originally Posted by iqraceworks

Yes...probably fine if she babies it. But getting on the throttle hard...I would be worried that you might have problems with it leaning out the fuel too much with an MHD OTS Tune and those larger turbos.

I've seen LOTS of people who cheap out and but those ebay VIV 17t and 19t turbos...and then don't want to spend the money on a custom tune. Needless to say, all of those turbos start to fail very early on. Not sure if it's poor quality, the MHD tune, or a combination of both.

FYI....you should be able to use HMD to set boost limits for each gear. Just limit it to 8psi boost in all gears, and she won't be able to hurt anything.

Thanks for the info. I actually have a Cobb V3 with a tune for 17t's now that I think about it, but the tune may be vin locked to my other BMW.

Grip Grip · 10-29-2021, 07:35 PM

For the record, the car ran perfect with the 17t turbos and 2" inlets on stock tune no issue and without any CEL's.

Saif2018 · 10-30-2021, 02:46 AM

Quote:

Originally Posted by Grip Grip

For the record, the car ran perfect with the 17t turbos and 2" inlets on stock tune no issue and without any CEL's.

You mean ots map on 17ts with inlets ?

Custom tune is pretty much a must on that setup,

Grip Grip · 10-30-2021, 11:25 AM

Quote:

Originally Posted by Saif2018

You mean ots map on 17ts with inlets ?

Custom tune is pretty much a must on that setup,

Yes, the old OTS tune worked great.

Jv335i · 04-12-2022, 08:31 PM

Quote:

Originally Posted by ErvGotti

It'll be fine if you baby it around, you might run into over boost issues if you go WOT. On a side note I have a open source unlocked MHD file for upgraded turbo's if you want it, tho you also need the N20 TMAP sensor to run it. It's from RFP which used to give out free maps. I ran it with my 17t's until I got my custom map from twisted tuning.

Hi its been a while since this was posted but do you still happen to have this unlocked MHD file? Thanks!

Kuokonut · 08-02-2022, 04:05 PM

Quote:

Originally Posted by ErvGotti

It'll be fine if you baby it around, you might run into over boost issues if you go WOT. On a side note I have a open source unlocked MHD file for upgraded turbo's if you want it, tho you also need the N20 TMAP sensor to run it. It's from RFP which used to give out free maps. I ran it with my 17t's until I got my custom map from twisted tuning.

Do you still have this? I could use it before i get to the dyno

ErvGotti · 08-03-2022, 02:20 PM

Quote:

Originally Posted by Jv335i

Hi its been a while since this was posted but do you still happen to have this unlocked MHD file? Thanks!

Sorry for the long response see link

Quote:

Originally Posted by Kuokonut

Do you still have this? I could use it before i get to the dyno

You'll both need IJEOS and the N20 sensor for the map to run properly along with at least 17t's, you can edit it with tuner pro.
Disclaimer use at your own risk, I am not responsible for any damages that might occur from the tune.

https://gofile.io/d/QfoGeP

Lodestar · 08-21-2022, 01:51 PM

Quote:

Originally Posted by ErvGotti

Sorry for the long response see link

You'll both need IJEOS and the N20 sensor for the map to run properly along with at least 17t's, you can edit it with tuner pro.
Disclaimer use at your own risk, I am not responsible for any damages that might occur from the tune.

https://gofile.io/d/QfoGeP

Hey do you still have this file, as the link no longer works. Thanks

Hemish19 · 08-25-2022, 02:05 AM

Quote:

Originally Posted by ErvGotti

Sorry for the long response see link

You'll both need IJEOS and the N20 sensor for the map to run properly along with at least 17t's, you can edit it with tuner pro.
Disclaimer use at your own risk, I am not responsible for any damages that might occur from the tune.

https://gofile.io/d/QfoGeP

Hiya , the link seems to of failed would you have it again by any chance

witty · 08-27-2022, 01:30 AM

to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months.

iqraceworks · 08-27-2022, 08:10 AM

Quote:

Originally Posted by sliver 335

to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months.

You might be fine on the 1+ tune....but I've heard of lots of people having over boost issues on the MHD stage 2+ tunes. The MHD tunes were all designed around stock turbos.....so it makes sense that with the much larger 17t's.....you are probably going to have some issues. At the very least, make sure you run some logs and make sure AFR's are too lean, and make sure you aren't way overshooting boost targets.

Hemish19 · 08-28-2022, 02:55 AM

Quote:

Originally Posted by sliver 335

to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months.

Yeah I saw ! , I’m in the uk so I don’t have access to ethanol fuel like he does , but for now I’m on mhd 2+ with 3.5 sensor and it feels slower than it should be

kulakv · 11-22-2022, 01:42 PM

Yes. You can drive. But almost always in WOT you will get overboost and throttle closure.
Only custome tune!

R3dLeader · 11-23-2022, 05:35 PM

Quote:

Originally Posted by sliver 335

to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months.

Did this guys 17Ts fail?

Saif2018 · 11-23-2022, 05:52 PM

Quote:

Originally Posted by sliver 335

to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months.

Assuming you are fine, Will be underperforming significantly with OTS tunes, at which point, you have to wonder why you went with 17t's

R3dLeader · 11-23-2022, 05:55 PM

Quote:

Originally Posted by Saif2018

Assuming you are fine, Will be underperforming significantly with OTS tunes, at which you have to wonder why you went with 17t's

Aren't there 17T base files online somewhere?

Saif2018 · 11-24-2022, 03:04 AM

Quote:

Originally Posted by R3dLeader

Aren't there 17T base files online somewhere?

I don't know of any base files for 17t's,

Your better of budgeting 2-300 dollars for a good custom tune.

07-09-2021, 09:55 AM	#1
Grip Grip Lieutenant 178 Rep 545 Posts Drives: E92 335is Join Date: Apr 2015 Location: Greenbrier, TN iTrader: (3)	Can I run 17t's and 2" inlets with stock tune? I bought a 335i yesterday with bad turbos. Makes no sense to me to spend more for oem's when I can get 17t's with 2" inlets for less. Anyway, I want my daughter to drive the car a few months while I restore it, and she doesn't need big power. Once restored I'll sell it and get her something else. So back to the question, will it drive okay on the stock tune with the upgraded turbos and inlets? __________________ - 335is DCT - 10.5 @ 132 and dropping!
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07-09-2021, 10:28 AM	#2
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]	It'll be fine if you baby it around, you might run into over boost issues if you go WOT. On a side note I have a open source unlocked MHD file for upgraded turbo's if you want it, tho you also need the N20 TMAP sensor to run it. It's from RFP which used to give out free maps. I ran it with my 17t's until I got my custom map from twisted tuning.
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07-12-2021, 12:54 PM	#3
iqraceworks Brigadier General 1994 Rep 3,725 Posts Drives: 2007 335i Join Date: Aug 2019 Location: Missouri iTrader: (0)	Yes...probably fine if she babies it. But getting on the throttle hard...I would be worried that you might have problems with it leaning out the fuel too much with an MHD OTS Tune and those larger turbos. I've seen LOTS of people who cheap out and but those ebay VIV 17t and 19t turbos...and then don't want to spend the money on a custom tune. Needless to say, all of those turbos start to fail very early on. Not sure if it's poor quality, the MHD tune, or a combination of both. FYI....you should be able to use HMD to set boost limits for each gear. Just limit it to 8psi boost in all gears, and she won't be able to hurt anything. __________________ 2007 335i, BMS DCI, BMS Chargepipe w/Tial BOV, ARM Catless Downpipes, silicone inlets, Bilstein B12 Prokit Suspension, Whiteline subframe bushings, Front/Rear M3 control arms, G-Plus FMIC, Stage 2 LPFP, Custom E40 tune by Justin (V8Bait), xHP stage 3 transmission flash, RB Two Turbos....10.90 @ 128mph
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10-29-2021, 07:35 PM	#5
Grip Grip Lieutenant 178 Rep 545 Posts Drives: E92 335is Join Date: Apr 2015 Location: Greenbrier, TN iTrader: (3)	For the record, the car ran perfect with the 17t turbos and 2" inlets on stock tune no issue and without any CEL's. __________________ - 335is DCT - 10.5 @ 132 and dropping!
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08-27-2022, 01:30 AM	#13
witty Private First Class 15 Rep 190 Posts Drives: 2010 BMW 335i M-Sport Join Date: Apr 2021 Location: NJ iTrader: (0)	to anyone out there running 17ts, you can run mhd perfectly fine. Swap Depot (youtuber) has been running stage 1+ on his 17ts for over 6+ months. __________________ '10 354 E90 335i - Wedge Performance - 1K FMIC - ARM DP - Injen CAI - TD04L 19T Turbos - Stage 2+ LPFP
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11-22-2022, 01:42 PM	#16
kulakv Registered 2 Rep 4 Posts Drives: bmw e91 335 MT Join Date: Jul 2022 Location: Ukraine iTrader: (0)	Yes. You can drive. But almost always in WOT you will get overboost and throttle closure. Only custome tune!
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