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      11-25-2019, 12:29 PM   #1
AdamJaljoly
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Unhappy bmw 220i b48 engine - stage 2 br-performance

hello guys i have a 220i with remus muffler and no catalyst converter my dealer told me that i need a stage 2 map to remove dp cel ,and i dont have an upgraded downpipe he told me that its okay to map stage 2 and when i got the car done when i drive on sport+ and push from 1st gear i get error codes and the gear switches to D and transmission message gets on my idrive screen and car starts shifting alone each time it gets to 2000rpm and when i restasrt the engine every thing comes back to normal also my sport displays show that i have 300hp and 460nm tourqe im concerned that this will ruin my car please give me tips on what should i do thanks allot .(i know that pushing a tuned car from 1st gear is not good but it shouldnt be like that)

when the car transmission goes to safe mode i hear a blow off sound but my charge pipe is okay.
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      11-25-2019, 02:57 PM   #2
seansurfn2
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if your concerned about breaking your car save your money and trade it in for an m235i w forged crankshaft.
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      Today, 01:36 AM   #3
RMMAGA
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the car is throwing a code, you should find out what code by reading it

it does sound like a pretty serious code if it limits RPM

note that on my stage 2 custom tune the redline was upped form 6500 to 6800 RPM, note that the trans is limited to 7000 rpm, if I put it in manual mode and just floored it to reline without shifting, it would overshoot to 7000 RPM, at that point the trans would disconnect with a loud CLUNK and it would put car into N, and throw a transmission over-speed error code, most likely if the redline was set a little lower like 6700 that would not happen

note you may want to also consider bootmod3 stage 2 flash, that is very stable, I tried that as well, it runs more timing and less boost and also does not change the redline, and you can read the codes and try different flash your self
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220i, b48, br-performance, cel, stage2, transmissionerror

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