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      10-08-2014, 12:18 PM   #1
Dim718
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i have a jb4 getting catless DP today jb4 question

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Hey guys I'm currently running map 1 on my jb4 stage 2 I'm stock only thing done is a muffler delete. Waiting for usps to drop off the package today with the shiftech Catless dp, my question is with having a carless DP which map would be best to run map2? or map7? i seen couple of threads where people with similar mods running map 7 and map2 which is safer or better?
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      10-08-2014, 12:23 PM   #2
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Map 2 so long as you're catless and running >93 octane.

Map 7 is purely for race gas and/or an appropriate E85 mixture.
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      10-08-2014, 12:55 PM   #3
Dim718
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yes i only use 93 octane gas so map 2 would be best?

also will i feel a big gain from map1 to map2?
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      10-09-2014, 02:41 PM   #4
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Quote:
Originally Posted by Dim718
yes i only use 93 octane gas so map 2 would be best?

also will i feel a big gain from map1 to map2?
Depends on your butt dyno. Tbh I have map2, catless, and intake and only difference I noticed was being able to hit 155 versus 150 on a particular part of an autobahn.
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      10-09-2014, 04:09 PM   #5
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I'm just gonna leave this here

F30 335i

YMMV
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      10-09-2014, 04:27 PM   #6
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I'm just gonna leave this here

F30 335i

YMMV
Which map and mods ?
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      10-09-2014, 04:29 PM   #7
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And OP I'm running map 5 with 94 octane, DP, resonator delete and modded muffler. Butt dyno says that's better than map 2. Also map 5 hits higher boost than map 2.
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      10-09-2014, 11:34 PM   #8
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yes, run map 5 with dp,exhaust,intake

map5 is autotune,
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      10-10-2014, 09:12 AM   #9
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Which map and mods ?
JB4 stg2
HFC dp
FF wires
E85 50%
Map7
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      10-10-2014, 11:57 PM   #10
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Map 2 or Map 5 only in your condition.
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      10-18-2014, 12:11 AM   #11
ohrich
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I've heard some guys run map2 even without a DP
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      10-21-2014, 08:23 AM   #12
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Quote:
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I've heard some guys run map2 even without a DP
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      10-21-2014, 10:27 AM   #13
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Quote:
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I've heard some guys run map2 even without a DP
Was common with the 335is running 93 or better back before specific 335is Map 6's were developed. 335is has a different ECU with a different hard coded timing curve than the stock engines. Much more boost tolerant.

Would not recommend Map 2 on a stock engine without DP. 1 & 5 are the best choices.
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