Check engine light

NoTanks52 · 04-01-2022, 12:49 AM

2020 M340i - Have a check engine light currently and vehicle is tuned with Mission Performance stage 2 and catted DP (Incredible vehicle). Error code when I ran it appears to be associated with front active grill flap(s).

Vehicle is still under warranty but I have obvious concerns with it being tuned. Hoping to avoid having repairs denied, or getting software updated back to stock.

Is it a sound strategy to take it in to dealer to inspect and advise on repair(s), or do i take it back to Mission Performance and likely pay to flash back to stock and again to re-tune, or should i take it to a non-dealer shop to repair and pay out of pocket?

What would you suggest as best course of action here? Appreciate any help/guidance offered.

Thanks

KyK · 04-01-2022, 04:45 PM

I'm in the exact same situation as you are but I am tuned with Gintani. I was thinking of taking it to the dealer who serviced my vehicle while it was tuned. Like you I am unsure of how they'll handle the warranty work as the service guideline for fixing the issue includes them plugging into ISTA which would instantly flag us even after flashing back to stock. I'm planning on giving my SA a call.

NoTanks52 · 04-02-2022, 08:19 AM

Quote:

Originally Posted by kyykim

I'm in the exact same situation as you are but I am tuned with Gintani. I was thinking of taking it to the dealer who serviced my vehicle while it was tuned. Like you I am unsure of how they'll handle the warranty work as the service guideline for fixing the issue includes them plugging into ISTA which would instantly flag us even after flashing back to stock. I'm planning on giving my SA a call.

Appreciate the response, which dealer do you use to service your vehicle?
Also, let me what your SA says, thanks

M340iLaurent · 04-08-2022, 12:11 PM

Quote:

Originally Posted by NoTanks52

Quote:

Originally Posted by kyykim

I'm in the exact same situation as you are but I am tuned with Gintani. I was thinking of taking it to the dealer who serviced my vehicle while it was tuned. Like you I am unsure of how they'll handle the warranty work as the service guideline for fixing the issue includes them plugging into ISTA which would instantly flag us even after flashing back to stock. I'm planning on giving my SA a call.

Appreciate the response, which dealer do you use to service your vehicle?
Also, let me what your SA says, thanks

Hi guys,

I'm not tuned but have an AWE exhaust and Dinan Intake. I got this exact same issue with check engine and they got it repaired under warranty. It took 4 weeks to get the replacement part form Germany.

Since yesterday, everything has been repaired and is under control. No CEL anymore.

04-01-2022, 12:49 AM	#1
NoTanks52 Private First Class 112 Rep 189 Posts Drives: M340i Join Date: Dec 2019 Location: Los Angeles, CA iTrader: (0)	Check engine light - Need guidance 2020 M340i - Have a check engine light currently and vehicle is tuned with Mission Performance stage 2 and catted DP (Incredible vehicle). Error code when I ran it appears to be associated with front active grill flap(s). Vehicle is still under warranty but I have obvious concerns with it being tuned. Hoping to avoid having repairs denied, or getting software updated back to stock. Is it a sound strategy to take it in to dealer to inspect and advise on repair(s), or do i take it back to Mission Performance and likely pay to flash back to stock and again to re-tune, or should i take it to a non-dealer shop to repair and pay out of pocket? What would you suggest as best course of action here? Appreciate any help/guidance offered. Thanks
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04-01-2022, 04:45 PM	#2
KyK Second Lieutenant 103 Rep 219 Posts Drives: BMW M340i Join Date: May 2020 Location: Los Angeles iTrader: (0)	I'm in the exact same situation as you are but I am tuned with Gintani. I was thinking of taking it to the dealer who serviced my vehicle while it was tuned. Like you I am unsure of how they'll handle the warranty work as the service guideline for fixing the issue includes them plugging into ISTA which would instantly flag us even after flashing back to stock. I'm planning on giving my SA a call. __________________ BMW M340i -Stg 2 Full Flex (Ecutek), downpipe, Ohlins R&T, Dinan intake, Dinan Turbo Inlet @g20.m340i Porsche 911 Carrera T (retired)
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