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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > *** bootmod3 for BMW B48 - Now Available ***
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      12-23-2020, 08:55 PM   #89
Knifeedge2k1
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Quote:
Originally Posted by Knifeedge2k1 View Post
The intercooler req is for N series engines

The stock charge air cooler (air->water->air) that comes stock is plenty capable of handling stage 2 on a B46
The radiator for the charge air cooler is the same part as that used in the B58 if i'm not mistaken, and many B58 on stage 2 don't need an upgrade so on the 4pot we're for sure covered.
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      12-30-2020, 09:08 PM   #90
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Originally Posted by phorge View Post
Map is on version 2.1 for the B48-F-H (20i) engines, I presume.

For the B48-F-L (30i) engines, the map is on version 2.0.
nope, only ACN 91 had version 2.1, PTF made some change to the ACN map
the rest still version 2.0 on B48 F-H
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      12-30-2020, 09:09 PM   #91
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Quote:
Originally Posted by Krish_F30 View Post
The OTS for Stage 2 with 91 Octane typically asks for a modified intercooler, downpipe..

Does anyone know of a performance intercooler for BMW F30 330i B46 engine? I did not see anything online.
if you want to upgrade the heat exchanger on B48/B46, search on wagner heat exchanger
B48/B46 doesn't use intercooler
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      12-31-2020, 02:04 AM   #92
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hey guys,

i just got my 320i 2016 a month ago... and i'm new to the tuning world...
how reliable is going to stage 1 (91) with stock hardware? any of you have been running bootmod3 for few months/years ?
any recommended hardware upgrades to improve reliablty ?

and are there any better alternatives for bootmod3 ?

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      12-31-2020, 02:11 AM   #93
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Running stage 1 on my b46 stock everything for over a year with no issues.
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      12-31-2020, 06:06 AM   #94
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Quote:
Originally Posted by IhabMaz View Post
hey guys,

i just got my 320i 2016 a month ago... and i'm new to the tuning world...
how reliable is going to stage 1 (91) with stock hardware? any of you have been running bootmod3 for few months/years ?
any recommended hardware upgrades to improve reliablty ?

and are there any better alternatives for bootmod3 ?

Running bm3 stage 1 91 ACN map on my 320i B48 for about 15k kms now. Absolutely no issues faced and highly recommended. Just make sure to use high quality and octane fuel!
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      12-31-2020, 06:46 AM   #95
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Quote:
Originally Posted by Luverse View Post
nope, only ACN 91 had version 2.1, PTF made some change to the ACN map
the rest still version 2.0 on B48 F-H
I see... Wonder why the ACN map for B48-F-L is still on version 2.0.

Thanks for the update.
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      12-31-2020, 09:15 AM   #96
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Quote:
Originally Posted by phorge View Post
I see... Wonder why the ACN map for B48-F-L is still on version 2.0.

Thanks for the update.
A specific update was rolled out for the B48-F-H because people with really poor fuel quality were having issues. Thus, a map with lower ignition target (2 degrees as confirmed by PTF) was put up to prevent corrections and knock.

You can still run the 2.0 ACN map which is what I do since i don't have corrections or knock and the 2.0 map seems way faster than the 2.1 map.
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      12-31-2020, 09:37 AM   #97
IhabMaz
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Quote:
Originally Posted by tpoddar View Post
Running bm3 stage 1 91 ACN map on my 320i B48 for about 15k kms now. Absolutely no issues faced and highly recommended. Just make sure to use high quality and octane fuel!
Hey i'm not sure about the fuel quality in my country... we have 95 petrol (I understand it's 91 octane)... should i use acn map to be in the safe side ? Is there a big difference?

Thanks
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      12-31-2020, 09:50 AM   #98
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Quote:
Originally Posted by IhabMaz View Post
Hey i'm not sure about the fuel quality in my country... we have 95 petrol (I understand it's 91 octane)... should i use acn map to be in the safe side ? Is there a big difference?

Thanks
datalog the 91 map first. review them and then you will be able to decide.
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      12-31-2020, 11:10 AM   #99
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Quote:
Originally Posted by tpoddar View Post
A specific update was rolled out for the B48-F-H because people with really poor fuel quality were having issues. Thus, a map with lower ignition target (2 degrees as confirmed by PTF) was put up to prevent corrections and knock.

You can still run the 2.0 ACN map which is what I do since i don't have corrections or knock and the 2.0 map seems way faster than the 2.1 map.
Nice to know. Thanks.

I guess octane boosters are needed since fuel quality is not what it seems.
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