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All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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03-09-2012, 03:47 AM | #4225 | |
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Alpina_B3_Lux
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03-09-2012, 05:06 AM | #4226 | |
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03-09-2012, 05:17 AM | #4227 | |
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i dont know but i hope Cobb knows what they are doing and about the boost vs reliability issue. |
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03-09-2012, 06:17 AM | #4228 |
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as long as the turbos are in their efficiency range there are no issues.
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 06:58 AM | #4230 |
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03-09-2012, 07:00 AM | #4232 | |
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 09:02 AM | #4233 | |
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i read every page... but can Cobb tech or someone say that with Cobb AP its just as safe/reliable as using like JB4 or other tunes? is it too much to ask direct answer from people, (if you know the answer)? results were interesting to read, but i still dont understand what is the situation with Cobb AP and 18.5psi with 335i and its stock turbos? |
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03-09-2012, 09:05 AM | #4234 | |
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 09:09 AM | #4235 |
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03-09-2012, 09:24 AM | #4236 | ||
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 10:16 AM | #4238 |
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Log it
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 10:39 AM | #4239 |
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Is timing being pulled from multiple cylinders a sign of something bad going on where i should stop running the tune immediately? Or just a sign that the car is not running optimally?
As many of you know I've had problems with timing being pulled in multiple cylinders and I'm working out the problem now, but in the men time is it still safe to run the tune?
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03-09-2012, 10:45 AM | #4240 | |
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03-09-2012, 10:49 AM | #4241 | |
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Having a discussion with Rob@Cobb a while back I asked him about timing corrections and basically what they considered knock related/bad and when it would be wise to back down on aggressiveness in a tune. Very roughly speaking, when you see multiple cylinders starting to have timing corrections at the same time (cylinders talking) this should be an indicator of higher aggression than the level of octane the engine is using safely supports. If you see a bit of timing correction (3.x and less) on a single cylinder or 2 non adjacent cylinders here and there, that's perfectly normal and not to be worried about really. |
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03-09-2012, 10:49 AM | #4242 | ||
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I get some drops every once in awhile on cylinder 5 sometimes on cylinder 2... the ECU does a great job of protecting your engine. However like rader mentioned, try the less aggressive variants of the tune and log!
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'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar.
'05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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03-09-2012, 10:52 AM | #4243 | |
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Dzenno, every once in a while I get timing drops on Cylinder 2 or 5(5 more often). then timing recovers and rejoins (value wise) the rest of the cylinders. I didn't get those before though. I used to log a lot (same map) and never got those dropouts before. could it be a hardware related issue (wear on some injector for instance)? I'm running S2 sport (92oct). Weather in the NW is cold
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'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar.
'05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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03-09-2012, 10:59 AM | #4244 | |
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I guess I should've said "occasional mild timing pulls/corrections" lol |
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03-09-2012, 11:06 AM | #4245 |
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yeah and is almost always cyl 5 or 2. If cyl 1 starts pulling you can be certain all of the rest are pulling as well massively.
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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03-09-2012, 11:17 AM | #4246 | |
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do you think it can be a hardware related issue when it's mostly cylinder 5 timing drop and its every once in a while?
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'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar.
'05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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