Author Engine warning light on - MY21 M Sport  (Read 1161 times)

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  • Offline XRPig   au

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    Offline XRPig

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    Engine warning light on - MY21 M Sport
    on: December 08, 2021, 03:54:09 am
    December 08, 2021, 03:54:09 am
    Ok. Looking for some info for you guys.

    So I’m currently riding a (new purchase) MY21 M Sport. It has approx 5k kms on it. It’s got an ECU remap & akropovic headers installed on it.

    Recently the engine warning light appeared. The bike was checked by BMW & warning light cleared. The mechanic said the O2 sensor was showing as being the culprit including an electrical issue.

    200kms into my trip, the warning light has reappeared. The bike was transported back to BMW by tow truck for further review by BMW.

    I have noticed the following issues since having the bike from new:

    - The bike struggles to get off the mark from a stationary position.
    - Strong smell of fuel when stationary.
    - Backfiring when coming off the throttle.
    - Fuel economy of 7ltrs per 100kms. Stock is 6ltrs per 100kms.

    This is my 3rd XR. Previous owner of 2 x Gen 1’s. Never had any issues.

    Mechanic said there is an issue with fuelling which in turn is effecting the O2 sensor. Obviously with a strong smell of fuel, it’s fair to say the bike is running too rich.

    We all know the factory fuel settings for the XR are very lean. The bottom rpm on XRs is terrible (below 3k rpm).

    Now I understand there has been some issues in USA with stalling. I’m keen to hear from anyone who has encountered similar issues.

    Thanks
    Last Edit: December 08, 2021, 11:32:45 am by Forum Admin

  • Offline smithy   au

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    Re: Engine warning light on - MY21 M Sport
    Reply #1 on: December 08, 2021, 05:47:54 am
    December 08, 2021, 05:47:54 am
    Seems your ECU remap is not right....has it been done properly on a Dyno..??

    My Gen-1 averages ~5.1L/100km and I often see 4.7-4.8 on my work commute. I have full Arrow headers and an RBE fuel module though. If I take it easy on a trip I can see near 400km out of a tank.

    Smithy.
    When I die, I want to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car..!

  • Offline XRPig   au

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    Re: Engine warning light on - MY21 M Sport
    Reply #2 on: December 08, 2021, 06:33:56 am
    December 08, 2021, 06:33:56 am
    *Originally Posted by smithy [+]
    Seems your ECU remap is not right....has it been done properly on a Dyno..??

    My Gen-1 averages ~5.1L/100km and I often see 4.7-4.8 on my work commute. I have full Arrow headers and an RBE fuel module though. If I take it easy on a trip I can see near 400km out of a tank.

    Smithy.

    Yes. That’s exactly my first, second and third thought. I’m currently in Tassie and was embarking on a 2,5 week trip on the island, Victoria & NSW.

    Now the other issue is warranty. BMW have transported the bike 185kms back to Hobart. They have included a possible 7 x day hotel stay. Not to mention the dealership back charging to BMW HQ. If they discover the remap is the issue, who’s to blame?

    A BMW dealer in Sydney installed all said components. Not only did they install it, they recommends it.

    The bike is running like a dogs breakfast. The O2 sensors have been known to be faulty.

    Let’s see how this pans out Smithy

  • Online Mareng1   gb

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    Re: Engine warning light on - MY21 M Sport
    Reply #3 on: December 08, 2021, 07:36:13 am
    December 08, 2021, 07:36:13 am
    “It’s got an ecu remap”

    From what you’ve described - that would be my first thought as to the cause.

    I’m surprised that BMW are doing anything for you with a remapped ecu.

    Or am I missing something- is it a bmw remap?

  • Offline XRPig   au

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    Re: Engine warning light on - MY21 M Sport
    Reply #4 on: December 08, 2021, 09:47:15 am
    December 08, 2021, 09:47:15 am
    *Originally Posted by Mareng1 [+]
    “It’s got an ecu remap”

    From what you’ve described - that would be my first thought as to the cause.

    I’m surprised that BMW are doing anything for you with a remapped ecu.

    Or am I missing something- is it a bmw remap?

    BMW installed the map & akropovic headers. They actually recommended it. True, they are putting it under warranty at this stage.

    It’s a shitty remap IMO. I’m just going to delete this remap & get rid of it. It’s crap. Fking disappointed tbh.


  • Offline esso_sa   ba

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    Re: ENGINE WARNING LIGHT ON - MY21 M Sport
    Reply #5 on: December 08, 2021, 11:33:22 am
    December 08, 2021, 11:33:22 am
    Try keeping the headers on but with the stock map. It should vbe better. Yes, it will be slightly weaker at lower rpm’s but not by much. You can confirm this from Akrapovic dyno graph, which is made with their full system and stock map. Some minor power loss between 3500-5000 rpm’s, but the rest of the graph is stronger than with the stock exhaust.
    Re the fueling, I saw the shiftcam S1000RR graphs comparison full stock exhaust/map against full Akrapovic system with the stock map - both graphs are almost identical when it comes to fueling.
    I believe it’s the same for the XR, especially Gen 2 which is, like new RR, equipped with 2 additional wideband o2 probes, giving it more room to self adjust
    Last Edit: December 08, 2021, 11:35:14 am by esso_sa

  • Offline XRPig   au

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    Re: Engine warning light on - MY21 M Sport
    Reply #6 on: December 08, 2021, 12:28:29 pm
    December 08, 2021, 12:28:29 pm
    *Originally Posted by smithy [+]
    Seems your ECU remap is not right....has it been done properly on a Dyno..??

    My Gen-1 averages ~5.1L/100km and I often see 4.7-4.8 on my work commute. I have full Arrow headers and an RBE fuel module though. If I take it easy on a trip I can see near 400km out of a tank.

    Smithy.

    Sorry mate. I was in a state of disbelief after yesterday’s and today’s drama. My entire trip has been blindsided by this whole saga.

    No, no dyno check. BMW said it’s not necessary as the ECU will readjust itself. Not sure if this applies to a remap though? I did ask the question when remapping was happening.

    I’m going to instruct Hobart bmw to delete the map and go back to stock (for the sake of my 2 week planned trip). I will then go back to Sydney BMW to see what has happened with remap.

    I’m with you, it’s definitely the map thats caused this failure. It’s goinG to be interstate what BMW do from here on in.

    Cheers

  • Offline XRPig   au

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    Re: ENGINE WARNING LIGHT ON - MY21 M Sport
    Reply #7 on: December 08, 2021, 12:32:20 pm
    December 08, 2021, 12:32:20 pm
    *Originally Posted by esso_sa [+]
    Try keeping the headers on but with the stock map. It should vbe better. Yes, it will be slightly weaker at lower rpm’s but not by much. You can confirm this from Akrapovic dyno graph, which is made with their full system and stock map. Some minor power loss between 3500-5000 rpm’s, but the rest of the graph is stronger than with the stock exhaust.
    Re the fueling, I saw the shiftcam S1000RR graphs comparison full stock exhaust/map against full Akrapovic system with the stock map - both graphs are almost identical when it comes to fueling.
    I believe it’s the same for the XR, especially Gen 2 which is, like new RR, equipped with 2 additional wideband o2 probes, giving it more room to self adjust

    Great stuff brother. Yes this is what I was reading also. I’m going to instruct BMW to delete the map that was installed and go back to stock.

    I will then speak with the supplier of map and see what they say about it. I was reading on RR forums that the stock map on the new model was fantastic without any remapping. Interesting I thought.

    Thx for your input

     



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