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      10-27-2023, 11:26 AM   #204
josephx66
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Drives: BMW M3 Competition
Join Date: Jun 2023
Location: Los Angeles

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Quote:
Originally Posted by forcefed View Post
It doesn't help since the valves are already closed upon startup. If you want a quieter startup you need a tune and disable the cold start cat warmup thingy.
They aren’t tho. My sst is set to remember the last operation so if I don’t remember to close the valves when I park, the next cold start has the valves open
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