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      02-11-2014, 07:18 AM   #1
Joyrdr
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Check Engine Light turns on and off after MPPK Installation

Check Engine Light turns on and off after MPPK Installation

Has anyone experienced this yet?

I have a US Spec, MY2014 F34, 335i GT, built in Oct 2013. I had the MPPK installed in Dec with the latest MPPK. After about two weeks of driving, the CEL came on. I made an appointment to have it looked at, the appointment was in two days. After work on Day1 of CEL, it disappeared, so i called the dealership and cancelled my appointment. I figured it was just a glitch maybe it was just really cold or something. Anyway the following week, the CEL came back on. I made another appointment, the appoinment was in two days. So, the day of my appoinment, the CEL disappeared again. I told the dealership that it was gone, they still kept the vehicle and wanted to run some tests. They kept it for a day, they connected with BMW Munich and BMW Munich couldn't find a fault either. They performed a reset and the CEL was gone. The next day the CEL was back on, on my drive home the same evening, about after it was parked for 8 hours, the CEL went away.

Needless to say, this is getting frustrating, making another appointment with BMW. The last time i picked up my car, i was told that if it happens again, they will have to keep my car for about a week to figure this out.

So, i don't drive the car crazy. I normally keep the cruise control on at 122km/hr to and from work. I travel 186km a day to work and back. Once in a while I will punch it and hit 250km/hr for a few to open her up.

Has anyone received any new news as to what is possibly happening? The car drives great, just the CEL coming on and off.
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      02-11-2014, 05:32 PM   #2
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I've owned two BMWs in the past and a flashing CEL is just part of the ownership experience. If you can learn to ignore it from time to time, you'll save more money.

Just my .02 cents worth.
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      02-13-2014, 12:14 PM   #3
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Quote:
Originally Posted by islandbeef
I've owned two BMWs in the past and a flashing CEL is just part of the ownership experience. If you can learn to ignore it from time to time, you'll save more money.

Just my .02 cents worth.
That would be great, but the car is only two and a half months old. I will not just ignore it. These cars aren't exactly cheap and it definitely will have to be fix.
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      02-27-2014, 10:54 AM   #4
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So i am still getting the check engine light (CEL). It comes on and off. I noticed that it would be off during normal during, between 120-140km/h. When i slam on the gas to accelerate and drive a higher speeds 190-250km/h the check engine light would come on. Having it checked again at the dealer to see if they can figure it out. The last time i brought it in, they couldn't see any error code nor could they figure out what or why the CEL was coming on. It was also connected to Munich BMW and no answers.
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      05-02-2014, 07:01 AM   #5
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So just an update to my CEL issues, listed below is a log of what has been going on.

If I can ask the community here to provide feedback on your MPPK experience and if you have had any CEL issues it would be greatly appreciated. There is one stipulation though, please provide only if you have driven your car with the MPPK installed at speeds of 240-250km/h (155mph). I was only getting the CEL at speeds of 230km/p and higher.

So, here is my log so far:

28 Oct 2013 (Bill of Sales) – Vehicle purchased 2014 BMW (F34) 335i GT

04 Nov 2013 – Car picked up at BMW Karl + Co. GmbH & Co. KG, Mainz

14 Jan 2014 – BMW M Performance Power Kit installed at BMW Karl + Co. GmbH & Co. KG, Mainz

28 Jan 2014 – Check Engine Light (CEL) came on and I made an appointment to have it looked at. At the end of the first day that the CEL came on, it disappeared. I canceled my appointment the next day thinking maybe it was just the temperature being too cold. The break in period was observed, I did not drive the car aggressively and drove approximately 2000 km already.

6 Feb 2014 – (First Visit) CEL came back on, I made another appointment to have it looked at. The day I had my appointment to have the CEL looked at, it disappeared. When I arrived at the BMW Dealership, I told the BMW associate that the CEL was gone again. The dealership kept my car overnight to run tests on it. The next day I picked the car up, they had performed a reset and the CEL was gone. I was not told what errors were found if any.

2nd week of February – CEL came back on, appointment made with BMW.

18 Feb 2014 – (Second Visit) Returned the car to BMW for service of CEL warning. Car was again reset and the CEL was gone, I was not told what errors were detected.

22 Feb 2014 – CEL came back on, after the car was parked for approximately eight hours, the CEL was gone. I contacted BMW on Monday, 24 Feb for another visit.

13 Mar 2014 – (Third Visit) Returned my car again to BMW for the CEL warning being on again. I told the BMW associate that I have read in some forums that it might have to do with the Mass Air Flow Sensor and the Power Kit conflicting with each other. They ran tests again and they also contacted BMW Munich. I also told them that the CEL seems to only come on when I am at higher speeds between 200 – 230 km/h. I picked my car back up again, CEL again is reset and gone.

25 Mar 2014 – (Fourth Visit) Returned my car again for the CEL issue. Car was at the dealership for two days. They had asked me to bring the original Air Filter Box, they installed the original Air Filter Box back onto the car. I was told that this is what BMW Munich told them to do. I was told that if the check engine light came on again to reschedule for another appointment.

1 Apr 2014 – On my way to work, the CEL came back on. Again it came on at higher speeds, I was travelling between 200-240 km/h. I have contacted the BMW Dealership again, the associate is informing the mechanic which is suppose to contact BMW Munich. I am awaiting instructions from the BMW Dealership for another appointment.

22 April 2014 – Dropped off my car to the BMW Dealership. I was told to bring the MPPK Air Filter Box. They were given new software to install into my car by BMW Munich.

24 April 2014 – Picked up my car, new software installed and MPPK Air Filter Box was reinstalled. At a glance, first thing I saw that was different was that the Sports Display was now showing 320HP/320 ft lb Torque, back to its original state when I first bought my car. After the initial install of the MPPK, the Sports Display was displaying 400HP/400 ft lb Torque. I was told to let the BMW Dealership know if the CEL came back on.

02 May 2014 – I stopped by the BMW Dealership to provide a status update on my car. The CEL has not come back on. I did tell the BMW associate that I did feel less power. When I push on full throttle on the gas, I noticed that the Sport Display would show the torque barely reaching the 300 ft lb of torque. The original ft lb of torque is 300, with the MPPK; it is suppose to be at 335 lbs of torque.

I was also not able to go pass 245 km/h as I did before. I purchased my car with the option that removed the speed limiter (option 840), my top speed is suppose to be 250 km/h. I have reached speeds passing 245 km/h before.

I also had to add 2 quarts (approximately 2 liters) of oil yesterday. This seemed weird since I just had an oil change exactly one month and one day ago, the car was at 19,333km. So adding 2 quarts to a car that recently had an oil change in less than 6000km seemed weird. Waiting on BMW for what’s next.

Last edited by Joyrdr; 05-05-2014 at 03:06 AM..
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      05-05-2014, 03:05 AM   #6
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So with the update on software to try and fix the CEL, this is a video of my car 100kph-200kph......roughly 13-14 secs, no CEL came on. Like I said before, i think the updated software I recieved might have taken the MPPK off. Is there anyone out there with a video of their F34's 100kph-200kph time? Just trying to see the difference. Thanks ALL.

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      05-05-2014, 05:39 AM   #7
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BMW F34 335 GT 0-100 kph w/o Launch Control , here is another quick video. This was done on a slight incline.....only road i could find to do this quickly and safely.

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      05-06-2014, 04:46 AM   #8
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Another video, this time 100kph - 245 kph. Looks like the engine had more in her since it was in 6th gear at 6k rpm.....still another 2 gears to go. I have a feeling that the "new software" update i recieved to remove the CEL issues also removed or nerfed my MPPK.

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