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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 > BMW N54 AccessPORT Beta Race Fuel and E-30 Maps



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      09-17-2012, 02:02 PM   #177
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I am mixing 93 octane with E85. I put 5 gallons into my tank followed by filling up with 93 octane from Shell. 5 / 16.2 = 30.864%. I understand that 93 from shell contains "up to" 10% ethanol so maybe I have too much ethanol.

I assume that it is better to err on the side of too much ethanol versus too little, no?
Yeah, rather more than less. Your fuel trims look fine.
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      09-17-2012, 02:53 PM   #178
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FYI, a guy local to me just got his 135i pro-tuned for E50 and put down 421 whp / 505 TQ on a Mustang Dyno. Those are some serious numbers!!
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      09-17-2012, 03:17 PM   #179
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FYI, a guy local to me just got his 135i pro-tuned for E50 and put down 421 whp / 505 TQ on a Mustang Dyno. Those are some serious numbers!!
are those the actual dyno numbers or mustang dyno numbers corrected 12% for comparable dynojet numbers?
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      09-17-2012, 03:30 PM   #180
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are those the actual dyno numbers or mustang dyno numbers corrected 12% for comparable dynojet numbers?
Those were taken directly from the dyno sheet. I just noticed that it was a 1M though.
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      09-17-2012, 06:54 PM   #181
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Those were taken directly from the dyno sheet. I just noticed that it was a 1M though.
It being a 1M shouldn't make any difference.
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      09-17-2012, 07:52 PM   #182
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It being a 1M shouldn't make any difference.
The 1M is rated at 340 hp from the factory.
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      09-17-2012, 08:00 PM   #183
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The 1M is rated at 340 hp from the factory.
Yes, from the OEM DME tuning's Overboost function
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      09-17-2012, 08:07 PM   #184
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Yes, from the OEM DME tuning's Overboost function
Gotcha. So other than the factory tune, the n54 hardware is the same?
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      09-17-2012, 08:34 PM   #185
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Gotcha. So other than the factory tune, the n54 hardware is the same?
As far as I know, the N54is that is in the 1M and the 335is has an upgraded cooling fan, and the overboost function which allows for hitting 11psi in the mid range for a few seconds then tapers off
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      09-17-2012, 10:45 PM   #186
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Quote:
Originally Posted by Fully_Bolted View Post
Yeah, rather more than less. Your fuel trims look fine.
+1,

But of course not too much more.
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      09-18-2012, 02:11 AM   #187
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Quote:
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As far as I know, the N54is that is in the 1M and the 335is has an upgraded cooling fan, and the overboost function which allows for hitting 11psi in the mid range for a few seconds then tapers off
exactly, same engine and same power.
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      09-18-2012, 07:55 AM   #188
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exactly, same engine and same power.
Well that's encouraging. I am going to the same shop for my protune and was planning on getting tuned for 40% E85. Might want to bump it up to 50%.
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      09-18-2012, 09:20 AM   #189
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Well that's encouraging. I am going to the same shop for my protune and was planning on getting tuned for 40% E85. Might want to bump it up to 50%.
Based on your log i would suggest replacing your Low pressure fuel pump before you go for big numbers on a high ethanol %. Its having trouble keeping up already.
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      09-18-2012, 09:28 AM   #190
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Based on your log i would suggest replacing your Low pressure fuel pump before you go for big numbers on a high ethanol %. Its having trouble keeping up already.
I am going to log a few more times to see if the LPFP is still acting up. I just haven't had a chance this week.
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      10-07-2012, 05:09 AM   #191
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Pretty happy with this E-30 tune. Running 50/50 E85 & CALI 91 Octane. Data logs will be posted later.
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      10-10-2012, 10:24 AM   #192
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I will be running the race gas map at the drag strip tonight for the first time (I will have at least 100oct in there). I have all the necessary supporting mods (HPF FMIC, AR Catless DPs, Intake).

From the directions, it looks like the only thing on the race gas map I need to keep an eye on is the timing drops. Since I will not be able to review my logs until I get home after the session, is there anything in particular I should be monitoring during the runs to make sure the map is not too aggressive for me, especially at 5800' altitude?
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      10-10-2012, 10:26 AM   #193
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I will be running the race gas map at the drag strip tonight for the first time (I will have at least 100oct in there). I have all the necessary supporting mods (HPF FMIC, AR Catless DPs, Intake).

From the directions, it looks like the only thing on the race gas map I need to keep an eye on is the timing drops. Since I will not be able to review my logs until I get home after the session, is there anything in particular I should be monitoring during the runs to make sure the map is not too aggressive for me, especially at 5800' altitude?
I would log before taking the car to the strip. Have your laptop with you and check your logs to make sure your car is liking it.
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      10-10-2012, 11:59 PM   #194
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Ran at the dragstrip tonight with the race map, (2 gal of 91 octane blended with 6 gal. of 104 octane). Pulled a log of my best run, 12.88s @ 110mph, which is pretty good for my altitude and a DA of 6530 ft. I think it looks pretty good overall. What do you all think?
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      10-11-2012, 12:03 AM   #195
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Am I reading it right that you had several 6.x degree timing pulls and one 10+ degree timing pull? If so I'd say you needed straight race gas or a little less aggressive timing. I know I pulled a bit here and there on the E30 map, which I think is the same timing map.
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      10-11-2012, 12:35 AM   #196
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Quote:
Originally Posted by raceyBMW View Post
Ran at the dragstrip tonight with the race map, (2 gal of 91 octane blended with 6 gal. of 104 octane). Pulled a log of my best run, 12.88s @ 110mph, which is pretty good for my altitude and a DA of 6530 ft. I think it looks pretty good overall. What do you all think?
Racey, It would be interesting to see how your car performed on the 2+ maps and compare them to the new race maps,I think I have seen only one other post about the new race maps were they trapped 117 witch is about the same as the 2+ maps

Any body have more track results for the new race maps?
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      10-11-2012, 12:39 AM   #197
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Quote:
Originally Posted by raceyBMW View Post
Ran at the dragstrip tonight with the race map, (2 gal of 91 octane blended with 6 gal. of 104 octane). Pulled a log of my best run, 12.88s @ 110mph, which is pretty good for my altitude and a DA of 6530 ft. I think it looks pretty good overall. What do you all think?
Doesn't look really good. Should have went with straight race gas. Lots of timing pulls, some severe
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      10-11-2012, 06:13 AM   #198
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Pretty happy with this E-30 tune. Running 50/50 E85 & CALI 91 Octane. Data logs will be posted later.
Are you on an OTS map or ProTuned? If you get an intercooler, you'll could probably hit 400.
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