HELP!! Stalling while driving. Misfire All cylinders

[bknight2851]

2008 E93 M3 DCT
I have been chasing this problem with no avail. The car starts up and will occasionally misfire on idle. Once driving the car is perfectly fine under any type of load(meaning on the gas). As soon as I take my foot of the gas the car stalls out completely no matter the speed.
Once I get stopped I can turn the ignition off completely and restart the car and it runs the same till it stalls again.
Using INPA and ISTA I have found a few things.
-only modification is catless full exhaust dual resonated from valve Tronic
Section Dme
2b6b
2b57
2b6a
2b6e
2b6d
2b68
2b6c
2b69
2b67

2789
278a
2739
27c5

Section EGS
5a73-paddle shifter voltage fault

Section ASK
A1A3

Section FZD
A670

Section MOSTGW
E18D
E18F

Battery is brand new
Coils and spark plugs brand new

If you have any ideas please help!!

[RocketyMan]

What spark plugs did you use? What coils did you use?

Be very specific!

[askjeeves]

Did you buy coil packs from any source other than BMW? The “oem” coil packs are all junk. Hope you saved your old ones.

[pjk380]

I would check the fuel system. Fuel pump might be going out.

[bknight2851]

https://www.ecstuning.com/b-assemble...2137841754kt4/

This is the coils and spark plugs I used. They are OE parts and were professionally installed.

[Trinh_7]

Originally Posted by bknight2851

https://www.ecstuning.com/b-assemble...2137841754kt4/

This is the coils and spark plugs I used. They are OE parts and were professionally installed.

That's probably the problem. None of the non-BMW coils work on the s65.

[kolosy]

yeah those coils aren't OE or OEM even

[bknight2851]

What coil pack and spark plugs would y’all recommend?

[kolosy]

it's gonna hurt.

https://www.fcpeuro.com/products/bmw...93-12137841754

The NGK plugs are fine.

*edit* what was the reason for the wholesale coil replacement? do you still have the old ones?

[spammysammich]

Originally Posted by Trinh_7

That's probably the problem. None of the non-BMW coils work on the s65.

This. There are a couple threads on the subject if you search. Very recently ECS made a guy send them a video of a resistance check with a multimeter before they would refund the money for the junk coils.

[spammysammich]

You might also have a throttle actuator problem. Google those codes.

[RocketyMan]

Originally Posted by bknight2851

https://www.ecstuning.com/b-assemble...2137841754kt4/

This is the coils and spark plugs I used. They are OE parts and were professionally installed.

I hope you still have the stock coils. Those most likely would at least still work for the most part.

I've had some very poor experience in the past with ECS tuning. I've turned all my business to FCP as of late. Good luck on getting an RMA from ECS.

Let us know what you end up doing--but clearly those are non-useable coils.

[bknight2851]

Just to update you guys. One of my good friends works at a bmw dealer. Having him order the coils on discount directly from dealer will see how that goes

[RocketyMan]

Awesome! I would suggest trying to get your money back from ECS. Coils for our cars are not cheap.

[askjeeves]

It’s crazy that a place like ECS is still selling coils that don’t work. This is a well known issue already. A company focused on selling BMW parts should know better.

[kolosy]

Originally Posted by askjeeves

It’s crazy that a place like ECS is still selling coils that don’t work. This is a well known issue already. A company focused on selling BMW parts should know better.

Not just sells, but actively markets as part of a kit. Borders on a scam. I don’t buy from them anymore unless absolutely necessary.

[RocketyMan]

Originally Posted by askjeeves

It’s crazy that a place like ECS is still selling coils that don’t work. This is a well known issue already. A company focused on selling BMW parts should know better.

I 100% agree with this statement.

[nick3753]

Originally Posted by askjeeves

It’s crazy that a place like ECS is still selling coils that don’t work. This is a well known issue already. A company focused on selling BMW parts should know better.

It would also be helpful if those who have been down this road with them left reviews on these coils so that others don’t fall victim in the future.