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LessIsMore LessIsMore is offline
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Posts: 1,138
Join Date: Aug 2012
Car: 2009 535i Sport SAT
Default 08-18-2019, 10:02 PM

Mixed around 20% e85 into tank and logged map 3. Log attached. Temps were 88*F.

Trims look like they are maxxing at 44? Should I be concerned?
How does AFR look? Im not sure whats a healthy AFR to run on these cars.
Does the w205 JB4 have an AFR safety feature like the N54 does, if so what is threshold?

Want to be sure this log looks good before trying map 4 or higher E85 pct. mix.

Side note, Im impressed with how well the oem ATW intercoolers work! Just a few degree rise from 36- 86 mph on 88*F temps is great, even if it does start 30* over ambient.
Attached Files
File Type: csv 2019-08-18 23_10_40_3rdgear_map3_20pctE85.csv (6.2 KB, 41 views)


2017 AMG C63 -JB4
2009 535i - 548whp - sold
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