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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Forgot I had this dyno with the AFR



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      07-27-2015, 09:32 AM   #23
hassmaschine
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huh? why would the full throttle portion affect idle? they're completely unrelated.
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      07-27-2015, 09:42 AM   #24
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Quote:
Originally Posted by hassmaschine View Post
huh? why would the full throttle portion affect idle? they're completely unrelated.
I think it's an adaptation issue personally.
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      07-27-2015, 09:52 AM   #25
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Originally Posted by hassmaschine View Post
where's the redyno?

hopefully they cleaned up that rough area above ~4000rpm and the wack A/F curve!
Smoothing is at 0, which will explain some of it.

Although I just checked my runfile at 0 and it's no where near that screwed up lol
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      07-27-2015, 09:56 AM   #26
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When I uploaded the tune the idle went crazy. I was just throwing that fun fact in. I want all adaptions to be set when I do the final run
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      07-27-2015, 10:31 AM   #27
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Quote:
Originally Posted by Kgolf31 View Post
Smoothing is at 0, which will explain some of it.

Although I just checked my runfile at 0 and it's no where near that screwed up lol
yeah, smoothing doesn't really do much normally. His original dyno was just really choppy.

I would do at least 3 pulls, it always seems to run strongest on the last pull.
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      07-27-2015, 10:33 AM   #28
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Quote:
Originally Posted by hassmaschine View Post
yeah, smoothing doesn't really do much normally. His original dyno was just really choppy.

I would do at least 3 pulls, it always seems to run strongest on the last pull.
I was consistent within noise of all 3 pulls. Within 1 hp and 1 ft/lb of torque
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