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BMW 3-Series (E90 E92) Forum
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Has anyone contacted BMW regarding 29.2 and lag?
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05-15-2011, 07:41 PM | #4863 |
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Also curious about the ignition timing recovery. I had the last software update and my car has been doing strange things ever since and nobody has figured out a solution.
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05-15-2011, 10:42 PM | #4864 | |
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3rd gear is showing timing is maxed out, but when I shft into 4th notice how the timing doesn't recover back and stays pegged very low. Before the BMW software update, timing for both gears looked nearly identical. NOTE: This is not engine knock....the timing is just not rising back to where it should. There seems to be something different in the shifting logic with the new software that seems to be conflicting with the tune. |
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05-16-2011, 02:58 AM | #4866 |
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Ilma - That is very interesting about the timing advance and recovery. I know my flash tuner over here in Germany (Marcel at www.ms-chiptuning.de ) has told me that BMW's latest SW has some anti-tuning features. This can cause problems IF your tuner hasn't sorted the tune out. This is why Marcel always does a data log before and after a flash. There is also something different in BMW line coding for the throttle plate adaptations. Marcel told me my car's new SW and another 135i he had tuned the day before with a PPK (perf power kit) had this new anti tuning SW.
I think BMW is getting wise to some of the tuning tricks on this motor. It just means your tuner has to be SMARTER! Dackel |
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05-16-2011, 08:59 PM | #4867 | |
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Vishnu seems to have done their own testng on the newer BMW software and have confirmed there are some changes...... Have a look here http://www.e90post.com/forums/showpo...&postcount=160 |
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05-16-2011, 09:01 PM | #4868 | |
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Most common cause of that is bad boost control. If that is stock then I would take it to the dealer and ask them to reflash the software. EDIT: Just saw you run a Dinan tune......call them up. They probably haven't adjusted their software to the latest BMW update. They should be able to confirm this. Last edited by Ilma; 05-16-2011 at 09:10 PM.. |
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05-18-2011, 10:04 PM | #4869 |
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When I had to do a software update b/c of the software recall..my car ran like crap too..laggy as hell...what I did was throw some 100 octance and couple bottles of techron..and ran the piss out of it..i mean hard..believe it or not the car adapted to driving habits and it got much better..
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06-06-2011, 02:58 PM | #4870 |
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My car is currently in for wastegate rattle like empty cans. They replaced the wastegates but it still rattles like before. Sooo... any of you know if they replace the Turbos am I going to get same exact Turbos and so a pointless exercise or are new BMW Turbos improved\better than the old stockers? I am on the fence and pretty disappointed the car wont run for too long without any issues at all. I had given up on the annoying rattle after two "fix" trips, but since I am almost out of warranty in a couple of weeks, I decided to see if they get fixed this time around. Just wondering if anyone knows if new Turbos at the dealer have a better build or do I just have to swallow hard and accept this rattle will always be here with this car? It rattles worse than the 335d and that's saying a lot.
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06-06-2011, 03:30 PM | #4871 | |
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Vase - what year is your 335i ? I thought (I am by no means an expert!) that the early ('07 or '08's)335i's had a thin actuactor arm on the wastegates. This would and does wear and cause the dreaded rattle. BMW changed the wastaget deisgn to a thicker rod and acutactors that actually can be replaced seperately from the entire turbo. It sounds like you have an early 335i and need the new-er (upgraded) turbos w/wastegates. As for the insides of teh snails(turbos) they flow the same from what I understand. Dackel |
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06-06-2011, 03:34 PM | #4872 | |
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I have acess to a speed limit free autobahns over here and 98 to 102 octane fuel. All the empty autobahn driving I did - could not improve the crappy BMW SW update that I got on my N54. Things only got better after I got my flash tune with 380 PS. I must have driven with BMW Sw update for about 1K miles for I got my tune. Once the flash tune was loaded - even just with the engine idling - I knew my old motor was BACK. All the same old rattle sounds and ripping performacne when you crack the throttle open! I won't let BMW touch my car again. Last edited by Dackelone; 06-10-2011 at 04:07 AM.. |
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06-06-2011, 06:17 PM | #4873 | |
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06-16-2011, 04:18 AM | #4874 | |
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06-16-2011, 05:08 AM | #4875 |
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www.ms-tuning.de Stage II: 380 PS and 520 Nm of Tq. Boost pressure 0.95 Bar Here is my writeup.... Got my car tuned in Germany… http://www.1addicts.com/forums/showthread.php?t=528152 |
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06-16-2011, 06:14 AM | #4876 | |
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how are you? Finally I have new turbos in my car, I requested my dealer not to update the software. I have v32.x with conversion valve. Do you know if is it necessary to update with new turbos? My car is n54 December 06, are the performance the same with last sw? Thanks a lot |
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06-16-2011, 06:25 AM | #4877 | |
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I think BMW's procedures tell to update the software, although I doubt it is really neccessary. Performance is fine, but I don't have the all-latest software...
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06-29-2011, 06:44 PM | #4879 |
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I think not, I have pulled the trigger on it. Not because it is faster, but because of the refined chassis and braking. You would need big money to make a 335is make behave like an M3.
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Last edited by meyergru; 06-30-2011 at 01:51 AM.. |
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07-25-2011, 10:27 PM | #4880 |
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turbo lag
I have a '08 335I --in 2009 my software was updated for the turbo lag and immediately I noticed the difference. The car was quicker and smoother, gas mileage improved and it sounded great.
A couple of weeks ago I brought the car back for a problem on another thread--comfort access does not work all the time (been working on this for the 3 years I have had the car). New handles and antennas were installed and the car was updated for software. My comfort access still does not work BUT to boot, I regained turbo lag and lost the raspy sound of exhaust, lost .3 MPG and the tranny is no longer silky smooth. Anybody have ideas? |
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07-26-2011, 02:37 PM | #4881 | |
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Perhaps the tech uploaded the wrong SW file. Or.. BMW has changed the SW yet again and have detuned your car with the WG/idle fix. ??? Take your car back and ask them what happened? And... ask the tech and not the SA. |
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08-10-2011, 01:13 PM | #4882 |
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Drives: 2021 M2C 6MT
Join Date: Jun 2007
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Garage List My garage spot [0.00]
07/07 BMW 335xi [8.50] 2001 Honda CBR600F4i [0.00] 2007 Husqvarna SM610 [0.00] 2004 Chevy Tahoe Z71 [0.00] 2005 Harley Davidso ... [0.00] 2007.9 335xi [6.50] |
Anyone have the link handy to the service bulletin for the wategate retrofit software option?
I know it's in this thread somewhere but cant find it. Ive been following this monster thread for years and finally got bit by the lag software when my actuator rods were replaced 2 weeks ago. The tech confirmed they did not check the "Wastegate retrofit" option so I requested it. Now my SA says they are trying to see if BMWNA will approve the reprogram?
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GONE:07/07 E90 335xi SG Black Dakota|Alum|ZSP|2AB|ZPP|ZCW|Nav|CA|6FL|PDC| Blacklines|3M Summers: 235/40/18 265/35/18 Hankook Ventus V12 on VMR 701s A/S: 225/40/18 255/35/18 Pirelli PZero Nero M+S on OEM 162s |
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08-10-2011, 01:46 PM | #4883 | |
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Drives: 2021 M2C 6MT
Join Date: Jun 2007
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Garage List My garage spot [0.00]
07/07 BMW 335xi [8.50] 2001 Honda CBR600F4i [0.00] 2007 Husqvarna SM610 [0.00] 2004 Chevy Tahoe Z71 [0.00] 2005 Harley Davidso ... [0.00] 2007.9 335xi [6.50] |
So I think I found the SIB...anyone know what number SIB it is?
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2021 BMW M2 Competition, BSM, Exec Pkg, 6MT
GONE:07/07 E90 335xi SG Black Dakota|Alum|ZSP|2AB|ZPP|ZCW|Nav|CA|6FL|PDC| Blacklines|3M Summers: 235/40/18 265/35/18 Hankook Ventus V12 on VMR 701s A/S: 225/40/18 255/35/18 Pirelli PZero Nero M+S on OEM 162s |
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08-10-2011, 02:21 PM | #4884 |
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Last edited by georgelb; 08-10-2011 at 02:22 PM.. Reason: better link |
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