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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB4 issue. Really odd.



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      09-02-2012, 12:26 PM   #23
Pete Schweaty
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BTW your garage list is insane!
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      09-02-2012, 01:53 PM   #24
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Quote:
Originally Posted by Pete Schweaty View Post
The double blinker flash means that the engine oil has reached 160F. The JB4 runs stock boost until the oil is at operating temp.

http://www.n54tech.com/forums/showthread.php?t=10605
+1 and you can also set it to turn on by coolant temp.
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      09-02-2012, 02:42 PM   #25
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Quote:
Originally Posted by robc1976 View Post
Have to agree with this, my logs of 50/50, 40/60 & 30/70 had all the same boost, timing. After going 50/50 for 2 weeks I started getting Lean codes....I fill up with 93 run it out and went back to E85 and no codes with a 35% mix...went to 40% and no codes. I am sticking o a 35% mix for now on.
I've tried 33% and 40% ethanol in my RB turbo car, there was no discernible difference in my logs.
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      09-02-2012, 02:47 PM   #26
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Quote:
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I've tried 33% and 40% ethanol in my RB turbo car, there was no discernible difference in my logs.
Same here, only thing Thst changed was my fuel trims and less gas mileage lol!! How do you like your RB's?? I am getting a set with my new motor.
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      09-02-2012, 04:10 PM   #27
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Quote:
Originally Posted by robc1976 View Post
Same here, only thing Thst changed was my fuel trims and less gas mileage lol!! How do you like your RB's?? I am getting a set with my new motor.
They'll wake the car up nicely. Fattens the powerband up top.
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      09-02-2012, 04:13 PM   #28
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Quote:
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They'll wake the car up nicely. Fattens the powerband up top.
Awesome!!
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      09-02-2012, 05:03 PM   #29
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Update on the story:

I put some 92 through the car, and ran for a little while. I lowered my E85 to about 35 percent. My friend with an SMG+exhaust M6 was there.. we raced "in mexico" from about 40-130 and I pulled two car lengths on him with map 5.
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      09-02-2012, 05:04 PM   #30
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Quote:
Originally Posted by robc1976 View Post
Awesome!!
Why are you getting a new motor if you don't mind me asking?
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