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      12-20-2019, 08:14 AM   #183
spool twice
Rainbow Racer
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Drives: BMW M4cs
Join Date: Sep 2010
Location: Tampa Bay, FL Area

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2019 M4cs  [0.00]
It may be pure luck each time, but I'm learning how to always get a big start-up roar and crackles on the CS during a warm-start situation:

-press the accelerator pedal past kick down after the ignition is "ON" for a second and release

-then just start the car as usual

no need to fiddle with the drive modes as you can just keep it in efficiency, the roar will be louder and will have crackles vs the normal CS start-up roar during a warm start. The same "trick" works on cold starts too.

It sounds almost as if the flaps open momentarily, but then it'll settle back down in the normal efficiency mode exhaust noise after it clears it throat.
__________________
-Loe P.-
Prior: '02 S4 6spd / '04 M3 SMG / '04 S4 6spd / '07 E92 335i 6spd / '09 E90 M3 DCT
Sold:'14 Audi S5 DSG [ APR ECU/TCU | Pullies + basic bolt-on mods | 10.861@127.90mph ]
Current: '19 M4cs, '17 Jetta 1.4t 5spd