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BMW 3-Series (E90 E92) Forum
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01-20-2013, 01:45 PM | #5 |
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I can't think of ANY tune that has the ability to re-write injectors coding. My guess is their dumbasses didn't code the injectors properly when/if you ever had an injector recall on that car.
Also, the car will generally run fine without the injectors coded, but just not at optimal levels.
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01-20-2013, 02:08 PM | #6 |
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If you had the injectors relaced and then this happened then the dealership never coded the injectors.
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01-20-2013, 04:56 PM | #7 |
Major
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tell the dealership to blow off. take car home, plug in laptop, load INPA, and code injectors for free, maintain warranty. grab a beer, and relax.
what worry is there? at this point, who cares who did or didn't code the injectors right. what matters now is dealing with the runaround with the dealership, which you don't have to, if you just follow what i told you |
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01-20-2013, 11:25 PM | #9 |
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If the dealership will recalibrate your injectors you should be fine. Too bad you don't have the INPA+cable you could of done it yourself. Hopefully is nothing wrong with your DME.
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01-21-2013, 07:25 AM | #10 | ||
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I also have Rev 2.5 and have had my injectors replaced and recoded. The values stored in the DME were exactly as imprinted on the injectors.
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Get your injectors coded through the Autologic shop (I used a private shop to calibrate mine) and also verify if BMW is telling you the truth about no coding. I find that hard to believe that there would be no coding. Even if injectors were replaced and they forgot to code the new ones, the old codes would still be there. Read your codes and see which cylinders are misfiring then consider changing the injectors on those cylinders yourself or via your Autologic shop which can also code them in for you. If your car is that old, chances are one or some of the injectors have failed by now and are behind your driveability issues. I seriously think the dealer is pulling your chain because they suspect you are tuned and want to flush you out. |
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01-21-2013, 08:18 AM | #11 |
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Sometimes when a shop fubars the injector coding and its not done right it will show up as a exclamation point when the values are read. I would think the dealer that did the original Injectors what ever software they used messed it up bigtime with the coding with the software they used in the dealer. If coding was done properly there is nothing that can just reset the values that were inputed. Those values are hard coded to DME and even if battery was disconnected the values would still stick.
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01-21-2013, 09:24 PM | #13 |
El Greco Capitan
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Hi there.
I had the same exact situation happen to me 1.5 year ago, raced a cts v and after taking a brief break cruising he waved to go at it again, I downshifted to 4th and barely got to build any boost before I misfired, took the next exit and stopped at a gas station after 3 failed restart attempts I took it to my mechanic with the scoobie boxer sound and Check engine light. The outcome??? A fried/Blown mere Ignition Coil, replaced and all was good to go. Who knows, maybe they are screwing with you and it is not your injectors at all....! Good luck Last edited by GreekMaverick; 01-21-2013 at 09:34 PM.. |
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01-21-2013, 09:28 PM | #14 |
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01-22-2013, 07:05 AM | #15 | |
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But You don't need to remove the injectors to read the coding numbers. Just take off your engine cover and you can read the calibration numbers stamped on the side of the injectors with them still in place. If an injector is bad it may still operate but give you poor performance at times such as misfires stumbling rough idle etc. Sometimes the injector gets stuck wide open and then you cannot drive the car without flooding your cylinder, but you would see a lot of smoke out your tailpipe if that was the case. If you are going to a mechanic who has an autologic scanner, then he will be able to read your injector codes very quickly and verify what BMW is telling you. Have you pulled any misfire codes which would indicate which cylinder is misfiring? |
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