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2Addicts | BMW 2-Series forum Technical Topics N20 (228i) / B46 (230i) Engine, Transmission, Exhaust, Tuning Added Bootmod3 to 230i

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      10-20-2019, 09:14 PM   #1
Uwrwilke
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Added Bootmod3 to 230i

Just added a stage 1 OTS bootmod3 flash to my 2017 230i. Notice big increase in boost throughout the rpm range. Not sure how accurate the Sport Displays are for HP and TQ but they both peak off the chart (320 respectively) - so if that's right, it's added ~70 hp and probably more TQ.

Only "mod" I have is a better drop in filter and the intake box snorkel taken off (which I'll probably put back on).

Pretty happy so far. Only weird thing is that it doesn't seem the flash is allowing me to change the exhaust flap to open on demand.

No codes... yet. If I do get some I'll post them here. Also hoping overheating/boosting isn't an Issue. May reduce the boost as this is my daily driver.
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      10-21-2019, 08:59 AM   #2
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Quote:
Originally Posted by Uwrwilke View Post
Just added a stage 1 OTS bootmod3 flash to my 2017 230i. Notice big increase in boost throughout the rpm range. Not sure how accurate the Sport Displays are for HP and TQ but they both peak off the chart (320 respectively) - so if that's right, it's added ~70 hp and probably more TQ.

Only "mod" I have is a better drop in filter and the intake box snorkel taken off (which I'll probably put back on).

Pretty happy so far. Only weird thing is that it doesn't seem the flash is allowing me to change the exhaust flap to open on demand.

No codes... yet. If I do get some I'll post them here. Also hoping overheating/boosting isn't an Issue. May reduce the boost as this is my daily driver.
I flashed Stage 1 93 around 3 months ago. No problems so far. Yeah, the flap settings are only open, close or auto.
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      10-21-2019, 11:27 AM   #3
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Congrats OP
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      10-16-2020, 03:32 PM   #4
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Hey guys ive been flashing my 2017 bmw 230i with bootmod3 and i keep getting these codes:
21A02D, No Description available
101F01 Throttle-valve angle - intake manifold pressure limit value exceeded
118001 mixture control: mixture too lean

Can anyone help? Mods: Aluminum Charge pipe, Aluminum Turbo Inlet pipe, Catless downpipe, secondary cat delete, K&N drop in filter
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      10-16-2020, 10:03 PM   #5
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Quote:
Originally Posted by VitaminF22 View Post
Hey guys ive been flashing my 2017 bmw 230i with bootmod3 and i keep getting these codes:
21A02D, No Description available
101F01 Throttle-valve angle - intake manifold pressure limit value exceeded
118001 mixture control: mixture too lean

Can anyone help? Mods: Aluminum Charge pipe, Aluminum Turbo Inlet pipe, Catless downpipe, secondary cat delete, K&N drop in filter
21A02D is a Combustion control: valve lift correction when at idle. CAUSE. A software error in the Digital Motor Electronics (DME).
The first thing I found was this -

https://static.nhtsa.gov/odi/tsbs/20...38380-9999.pdf

There is also this site for fault codes -

http://bmwfault.codes/

Last edited by mb67; 10-16-2020 at 10:09 PM..
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      10-18-2020, 06:21 AM   #6
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Im not sure how to fix the engine from running lean though, I know a proper tune will do it but i dont know how to get a custom tune on bootmod3
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      10-18-2020, 10:26 AM   #7
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Quote:
Originally Posted by VitaminF22 View Post
Im not sure how to fix the engine from running lean though, I know a proper tune will do it but i dont know how to get a custom tune on bootmod3
We offer custom maps, once you make the purchase with us, you will select the tuner from the list on bm3 interface and they will reach out to you with a base map to start with
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      10-24-2020, 11:23 PM   #8
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Quote:
Originally Posted by Uwrwilke View Post
Just added a stage 1 OTS bootmod3 flash to my 2017 230i. Notice big increase in boost throughout the rpm range. Not sure how accurate the Sport Displays are for HP and TQ but they both peak off the chart (320 respectively) - so if that's right, it's added ~70 hp and probably more TQ.

Only "mod" I have is a better drop in filter and the intake box snorkel taken off (which I'll probably put back on).

Pretty happy so far. Only weird thing is that it doesn't seem the flash is allowing me to change the exhaust flap to open on demand.

No codes... yet. If I do get some I'll post them here. Also hoping overheating/boosting isn't an Issue. May reduce the boost as this is my daily driver.
So mine does this too in WOT stage 1 and i'm in process of stage 2ing my 430i.

I think the B48/46 has potential for 300+ whp and 370+ wtq in stage 2 based on what ive seen.
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      10-24-2020, 11:55 PM   #9
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300whp should definitely be possible.

https://bmwtuning.co/b48-tuning-guide-300whp-for-1500/
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