05-24-2015, 02:06 AM | #2 |
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I have fitted the 125i M-performance exhaust. Satisfied with it, not a lot of drone (although you will get a bit of drone with every exhaust except stock).
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05-24-2015, 05:00 AM | #5 |
Brigadier General
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Really? I think I prefer the stock sound.
I see you are located in US, how did you get hold of an F21 there? When it comes to engine sound, I would prefer to enhance the sound only inside the car, and keep it as quiet as possible on the outside. I want to do this by tapping into the OBD2 port for RPM and throttle load, and let a mobile phone app generate fake engine noise that I can amplify to the stock speakers when I feel like it. So far I haven't managed to make it work due to problems with the RPM signal in the OBD2 port. |
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