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BMW M2 Forums 2023+ (G87) Engine, Exhaust, Drivetrain, Tuning Modifications

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      01-13-2025, 07:07 PM   #1
frostyg87
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Alibaba Exhaust flaps open opposite direction as OEM actuator.

Hello new here, i ve had my car 100% stock for 2 years now and just installed an alibaba exhaust, the fit is 100% perfect but im having issue with the flaps, the direction they open is contrary to where the oem actuator turns, i wanted to ask if there s any way to make the actuator turn on the opposite direction, im about to splice the cables and invert the power to see if it turns the other way, i ve tried putting the flange upside down, switch actuator from one side to the other, when i have the car on normal mode the flaps are open and when i press the M1 or M2 they close, i was thinking maybe switch cables from one side to other but i think they will open on the same direction 🤷🏻‍♂️ if anyone knows please a little help would be appreciated, i know there s American companies here in the states that offer better quality but they are way too expensive, like i said before this the only mod im doing on my car till now and i think i wont do anything else to it im already happy with what i got. Im currently Driving with valves open all the time and is awesome and it sounds sick but i just want this thing working normally. Thanks Respectfully
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      01-13-2025, 07:16 PM   #2
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Last edited by Carefree; 01-13-2025 at 07:17 PM..
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      01-13-2025, 07:56 PM   #3
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      01-13-2025, 08:18 PM   #4
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I wish you luck in fixing it, but I'm pretty sure you can't just reverse polarity to get the actuators to operate backwards.

If the valves are opening backwards, then something is installed backwards, and to fix it you are gonna need to find someone who can weld titanium. Might actually be available in the Miami area with the prevalence of exotics.
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      01-13-2025, 09:40 PM   #5
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Yea my boy knows a local shop that welds titanium i was thinking about that too thanks tho 👍

Last edited by frostyg87; 01-13-2025 at 09:41 PM..
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      01-15-2025, 04:02 PM   #6
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Cut and weld that valve on the other way around. No way to make the valve motor turn the opposite unless you swap the wires in the harness maybe but i've never tried that before.
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      01-15-2025, 11:00 PM   #7
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Yea im on it, just dropped off the car today at a local shop my friend recomended about 7 mins from my house and that s exactly what the guy is going to do cut em and flip em, thanks for the replies 💪🏼💪🏼💪🏼
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      Yesterday, 11:48 PM   #8
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how much louder than stock is this setup? looks pretty awesome in my humble opinion.
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