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      08-26-2021, 03:28 PM   #9
croman54321
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Drives: 2021 bmw m4 g82, bmw x5 g05
Join Date: Jan 2012
Location: NJ

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Rk tunes talks about this. Allegedly the throttle closes in sport +

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Originally Posted by Wamion117 View Post
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Originally Posted by croman54321 View Post
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Originally Posted by Wamion117 View Post
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Originally Posted by croman54321 View Post
Is there a way to code the "sport plus" exhaust flap to work in efficient mode?

I know there is the sport exhaust button but the exhaust does not sound as loud when placed in sport plus.
Part of that sport plus exhaust sound, the burbles, can only happen when the car is in sport plus

The car forced extra fuel to ignight within the exhaust and those pop pop pops you're hearing are the result of this

This is a waste of fuel so even if you could get the valve to open, you wouldn't hear the burble

P.s. even in sport plus mode the car rarely has the valve 100% open…it only occurs under about 70% throttle, Ik Pretty disappointing blame eu regulations
Makes sense, I guess we'll have to wait until the ecu gets cracked to get custom tune and exhaust valve control. I don't even want the burbles just want the exhaust a little louder. I feel the car faster in efficient mode, idk if it's just me
That's pretty interesting, what makes you feel like it's faster?

I notice that it's definitely slower in mine, the car is way more responsive in sport plus
Appreciate 0