[Amazinjoey]

- Also don't use remade tunes, better learn to tune yourself or fine a reputable tuner(extremtly hard to find one that actually knows what they're doing)

-Tune using LAMDBA and not AFR...Lamdba is always the same no matter the fueling while AFR differs depending on the fuel...

-Keep the heat and backpressure down so go for a 3.5 inch downpipe and a proper Intercooler

[Makito]

Hi
I ve purchased a 95 ron stage 1 from MG flasher and the gaz used is 98 ron
A couple of knock is detected during a normal driving, it s bad ?


https://logs.mgflasher.com/log/d42e6...yI6W119&wide=1

WOT from 2k to 6k

https://logs.mgflasher.com/log/d42e6...ltdfQ==&wide=1

https://logs.mgflasher.com/log/d42e6...ltdfQ==&wide=1

[tpoddar]

Just went stage2 on my 320i with bm3. Here's a log if anyone's interested -
https://www.bootmod3.net/log?id=61c1...90c6576740d28c

Observations -
1. Boost is a lot lower in this map version (2.1) compared to the 2.0 maps. It seems to be limiting power. Will switch to 2.0 Stage 1 map to see how it performs.
2. Some corrections but nothing to worry about.
3. No burbles whatsoever with OTS settings. Any suggestions for what to use?
4. Car is really really fun to drive. Contemplating if I should buy mgflasher and try their stage 2 maps.
5. Will also try the normal Stage 2 91 map instead of the 91ACN map to see if my fuel can handle it.

[Freddie_Rome]

Originally Posted by tpoddar

Just went stage2 on my 320i with bm3. Here's a log if anyone's interested -
https://www.bootmod3.net/log?id=61c1...90c6576740d28c

Observations -
1. Boost is a lot lower in this map version (2.1) compared to the 2.0 maps. It seems to be limiting power. Will switch to 2.0 Stage 1 map to see how it performs.
2. Some corrections but nothing to worry about.
3. No burbles whatsoever with OTS settings. Any suggestions for what to use?
4. Car is really really fun to drive. Contemplating if I should buy mgflasher and try their stage 2 maps.
5. Will also try the normal Stage 2 91 map instead of the 91ACN map to see if my fuel can handle it.

You should start the log with pedal to the metal at least at 2500 rpm not 3800 rpm

[AZIZHAM1]

I noticed something with the b48b20a in the 20i engines
They have an air charge cooler unlike the b48b engines ao there is no charge pipe ? Or what is happening? I have jb4 on my 420i g22 b48b20a AKA b48c engine will my charge pipe survive jb4?

[Zac_330e]

Update on my 330e b48 engine which i ended up having rebuilt. Ended up ruining a rod bearing while running bm3 stage 2 93 octane. Since then ive noticed that OTS 93 tune runs much leaner compared to the 91 or e30 tunes...at least for me. Guess the 93 gas wasn't quite good enough and I had some pretty bad knocks...I should've watched datalogs more closely. Now i am hardly getting any knocks on either 91 or e30 (about e35 and 93 petrol) tunes currently and the engine runs great.

[castrol]

Hi,

I have flashed my 320i B48 for first time same days ago with BM3.

I have flashed it with Multimap Stage1, but I think something is going wrong, because with Map 2 selected (Stage 1 91 Octanes), sport displays with full throttle not show more than 200HP...,I think with full throttle maximun power should be around 250Hp...something more is experiencing this with multimap?

Y have recorded this video where you can see what I'm telling about....

I have opened a support case but I'm waiting for a response

[jtalweezy]

Originally Posted by Zac_330e

Been running the stage 2 93 octane bm3 tune for about 8000 miles until I ran into a drivetrain issue. It's a 330e. Drivetrain malfunction...piston ring failure is looking like it's the culprit right now due to improvement on wet compression tests.
38000 miles on the car.
93 top tier gas (Florida) always used and some octane booster added. Happened maybe 500 to 1000 miles after an oil change, coincidence or low quality oil? recommended weight was used
Bm3 looked at my logs a while back and said all my timing was fine. I had no changes in the logs until the CEL

Had this in the wrong section:
F30 330e Bm3 stage 2 drivetrain malfunction https://f30.bimmerpost.com/forums/sh....php?t=1854413

I've now hit 35k on Stage 2 BM3 on a B46. Car runs strong every day. I also gap .022 to .024 on the spark plugs. Anywhere in between there is good. I only ever use the recommended weight oil and replace it with liquimoly every 5k miles.

[metatr0nX81]

F30 330e owner here with the A-variant B48. I've been running the MG Flasher Stage 1 91OCT OTS tune for over a year but just recently installed a VSRF DP in prep for going to Stage 2 - before taking the plunge, I did some logging. Seeing a concerning amount of knocks and TC. I suspect it's fuel but am open to any other thoughts or suggestions? Plugs were replaced (NGK OEM gap) about 3k miles ago.

https://logs.mgflasher.com/log/723fc...yI6W119&wide=1

A buddy suggested mixing some E85 at my next fill-up, but I'm a little surprised to see knocks and TC on the 91OCT tune with 93OCT gas. The car runs, drives and sounds great. Still hesitant about going to Stage 2.

[jcdub]

Originally Posted by metatr0nX81

F30 330e owner here with the A-variant B48. I've been running the MG Flasher Stage 1 91OCT OTS tune for over a year but just recently installed a VSRF DP in prep for going to Stage 2 - before taking the plunge, I did some logging. Seeing a concerning amount of knocks and TC. I suspect it's fuel but am open to any other thoughts or suggestions? Plugs were replaced (NGK OEM gap) about 3k miles ago.

https://logs.mgflasher.com/log/723fc...yI6W119&wide=1

A buddy suggested mixing some E85 at my next fill-up, but I'm a little surprised to see knocks and TC on the 91OCT tune with 93OCT gas. The car runs, drives and sounds great. Still hesitant about going to Stage 2.

It's most likely fuel since the plugs have been changed. Try adding an octane booster like NF or similar to the tank and log again

[metatr0nX81]

Originally Posted by jcdub

It's most likely fuel since the plugs have been changed. Try adding an octane booster like NF or similar to the tank and log again

I sent the log over to MG Flasher support, who requested I do some standard pulls in 3rd and 4th gear, which I did - zero knocks and minor timing corrections. WTF!

What I think happened: The DME was reset on Saturday and I didn't give the it enough time to re-learn timings before trying to log. Please tell me I'm right or wrong!

Now, I'm just waiting to hear back from MG Flasher support and hoping that I can go to Stage 2 soon.

[RMMAGA]

has anyone looked into if VVT makes any difference in the tune?

I am interested to compare the stock VVT tables but I only have access to the 20i lower power stock map, if you have BM3 and a 30i engine please post this table form BM3, or tell me if it is the same as my 20i below

BM3->Map_Editor->Stock_Tune->Valvetronic->Vanos->Intake/Exhaust Warm

I did notice the MPPK, did have different values but only slightly high exhaust retard at high load/rpm, but not sure if that is more for emission or performance.

Note that I believe the tables are in terms of exhaust RETARD and intake ADVANCE, or where higher numbers of either one is more spread

[Mby]

B48-F-L 30i

[RMMAGA]

Thanks! Almost exactly the same, B58 is also very close within a few degrees, I do wonder if BMW is more emission focused in higher RPM and if anything to be gained by increased value spread by retarding the intake at higher loads and RPM

I was thinking to try something like this below, about a +10 deg intake retard form 5-7krpm vs stock, will try it out but I think it will be hard to tell measure difference with draggy as I do not have access to a dyno...

[hEllberg]

I've been running MG Flasher stage 2 (91oct/95ron tune) for about 20k km, maybe a little more, still going strong on my F30 330E. I'm using 93oct/98ron gas only.

[viki300]

Originally Posted by castrol

Hi,

I have flashed my 320i B48 for first time same days ago with BM3.

I have flashed it with Multimap Stage1, but I think something is going wrong, because with Map 2 selected (Stage 1 91 Octanes), sport displays with full throttle not show more than 200HP...,I think with full throttle maximun power should be around 250Hp...something more is experiencing this with multimap?

Y have recorded this video where you can see what I'm telling about....

I have opened a support case but I'm waiting for a response

its wrongly adjusted/scaled power indication

[George2617]

Hi.

Just bought a licence for my 2018 320i B48M.

Reading throughout this thread, it looks like I should be running stage 1 91oct with 93 fuel to ensure there isn’t any issues. We have good 98 fuel here in Australia so shouldn’t have any issues there.

My car is stock with no mods. Wish I started reading this thread before I bought the licence. Now I’m second guessing whether I should tune it at all - I can’t afford to blow my engine with a young family.

Anyone have any thoughts on this? Should I do it?

[jcdub]

Originally Posted by George2617

Hi.

Just bought a licence for my 2018 320i B48M.

Reading throughout this thread, it looks like I should be running stage 1 91oct with 93 fuel to ensure there isn’t any issues. We have good 98 fuel here in Australia so shouldn’t have any issues there.

My car is stock with no mods. Wish I started reading this thread before I bought the licence. Now I’m second guessing whether I should tune it at all - I can’t afford to blow my engine with a young family.

Anyone have any thoughts on this? Should I do it?

Stage 1 is perfectly safe without any mods. Of course you could you could run a 91 octane tune while using 95 octane petrol. You should be ok with a 98 tune running 98 Ron fuel.

[George2617]

Originally Posted by jcdub

Stage 1 is perfectly safe without any mods. Of course you could you could run a 91 octane tune while using 95 octane petrol. You should be ok with a 98 tune running 98 Ron fuel.

Thanks. Are there big noticeable differences between the two?

[jcdub]

Originally Posted by George2617

Thanks. Are there big noticeable differences between the two?

. Your looking at 20-25hp at most. It not nearly as noticeable as from a stock tune to stage 1. If I was going to tune a car in the future. I'd most likely stick with stage 1.