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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > NEW RELEASE: Dinan Ignition Coils



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      02-05-2022, 11:28 AM   #67
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Quote:
Originally Posted by C4maro View Post
Does anyone know what coils the 07 n54's came with? Curious if mine could still be stock.
Bosch, most likely,
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      02-15-2022, 09:00 PM   #68
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Originally Posted by _N54 View Post
So far no issues. Back to back pulls all the way up to 6500 RPM and even 7000 RPM and no ignition misfires or any sort of hiccups.
Hey N54 how have these been running still going strong ?
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      02-15-2022, 10:13 PM   #69
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I'm also curious if these coils are any better than the eldors.......or are they just eldors with lipstick on? Not much info out on them as far as actual performance goes.....
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      02-16-2022, 09:01 AM   #70
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Quote:
Originally Posted by Bl00DY F30 View Post
Hey N54 how have these been running still going strong ?
Still running strong. No misfires or anything with 600+ to the rear wheels.
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      04-11-2022, 04:00 PM   #71
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Updated chart on the original post (and below) comparing all 3 of the different OEM options as requested. Bosch/Delphi are essentially the same (what was shown in the original chart). New chart adds the Eldor's which offer a bit of a bump compared to the previous OEM options but still not up to the same output levels as the Dinan coils.

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      04-11-2022, 10:50 PM   #72
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Quote:
Originally Posted by Dinan_Engineering View Post
Updated chart on the original post (and below) comparing all 3 of the different OEM options as requested. Bosch/Delphi are essentially the same (what was shown in the original chart). New chart adds the Eldor's which offer a bit of a bump compared to the previous OEM options but still not up to the same output levels as the Dinan coils.

Attachment 2857224
Nice, love data, how about vs b58 eldors?
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      04-12-2022, 03:24 AM   #73
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I suppose these are not suitable for N53 my oem number is not listed on the website 12137559842
Very interested in these, price is also reasonable, though importing them in EU probably would be slightly expensive.
I don't expect my Delphi's to last very long, had already replaced 2 of them within 15k km. One failed due to mosfet failure and one just suddenly died on a startup. So was thinking to go back to Bosch if the rest are going to fail soon. Maybe they won't, recently did an update on dme, don't know if that has any effect on coils.
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      04-12-2022, 07:10 AM   #74
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Quote:
Originally Posted by Sicis View Post
I suppose these are not suitable for N53 my oem number is not listed on the website 12137559842
Very interested in these, price is also reasonable, though importing them in EU probably would be slightly expensive.
I don't expect my Delphi's to last very long, had already replaced 2 of them within 15k km. One failed due to mosfet failure and one just suddenly died on a startup. So was thinking to go back to Bosch if the rest are going to fail soon. Maybe they won't, recently did an update on dme, don't know if that has any effect on coils.
Never had the N53 in the US so never made the comparison. You are right though that part number and those that precede it are unique from anything we tested. From images of the coil and its connector they sure do look the same though.
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      04-12-2022, 08:28 AM   #75
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Quote:
Originally Posted by Dinan_Engineering View Post
Updated chart on the original post (and below) comparing all 3 of the different OEM options as requested. Bosch/Delphi are essentially the same (what was shown in the original chart). New chart adds the Eldor's which offer a bit of a bump compared to the previous OEM options but still not up to the same output levels as the Dinan coils.

Attachment 2857224

Am I reading that chart right? As RPM's go up, DWELL between pulses goes down. So the higher you rev the motor, the more all three of those coils start to produce the same spark output....right? What am I missing?
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      04-12-2022, 11:34 AM   #76
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Quote:
Originally Posted by Dinan_Engineering View Post
Quote:
Originally Posted by Sicis View Post
I suppose these are not suitable for N53 my oem number is not listed on the website 12137559842
Very interested in these, price is also reasonable, though importing them in EU probably would be slightly expensive.
I don't expect my Delphi's to last very long, had already replaced 2 of them within 15k km. One failed due to mosfet failure and one just suddenly died on a startup. So was thinking to go back to Bosch if the rest are going to fail soon. Maybe they won't, recently did an update on dme, don't know if that has any effect on coils.
Never had the N53 in the US so never made the comparison. You are right though that part number and those that precede it are unique from anything we tested. From images of the coil and its connector they sure do look the same though.
Yeah i figured that's the reason. Pretty sure that they would work anyway, but i may be wrong. Surely don't want to throw a pile of money to test it out. Maybe if Dinan is interested in expanding their market to Europe and N53's could contact Bimmerprofs from Latvia. Don't know what equipment is required for doing these comparison tests, but the guy definitely has a great knowledge on this subject.

Ignition coils are quite a problem for N53's. Bosche's didn't really directly fail on me, but they slowly crapped out causing rare misfires and bugging/stuttering on low rpm acceleration.
Delphi's as of experience can just suddenly die at anytime, even quite early.
There aren't many options.. Eldors weren't really easy to get hands on here and not sure of compatibility.

According to Bimmerprofs and to my understanding - the problem in short is - high voltage spike's can kill the ignition coils. There is a solution called snubbers, but it's a bit involving.
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      04-14-2022, 10:38 PM   #77
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Quote:
Originally Posted by iqraceworks View Post
Am I reading that chart right? As RPM's go up, DWELL between pulses goes down. So the higher you rev the motor, the more all three of those coils start to produce the same spark output....right? What am I missing?
You're missing ever having looked at the dwell table. It does not decrease with rpm.
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      04-21-2022, 12:17 PM   #78
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Quote:
Originally Posted by nyt View Post
You're missing ever having looked at the dwell table. It does not decrease with rpm.
Dwell = time between each time the coil fires....right? So as RPM goes up (coils are firing faster, less time between each time a coil fires), dwell goes down. Right?

So, if that's the case....looking at the graph, as dwell goes down (in MS), the power output of all the coils they are comparing gets closer to being equal.

Or am I looking at that graph wrong?

If I'm wrong....please explain that graph to me....
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      04-21-2022, 04:35 PM   #79
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Quote:
Originally Posted by iqraceworks View Post
Dwell = time between each time the coil fires....right? So as RPM goes up (coils are firing faster, less time between each time a coil fires), dwell goes down. Right?

So, if that's the case....looking at the graph, as dwell goes down (in MS), the power output of all the coils they are comparing gets closer to being equal.

Or am I looking at that graph wrong?

If I'm wrong....please explain that graph to me....
dwell is the charge time of the coil. The graph indicates how much power is output vs how long the coil is charged for. There are no issues charging the coils for 3ms even at 10,000 rpm.
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      10-16-2022, 09:56 AM   #80
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Quote:
Originally Posted by Dinan_Engineering View Post
Correct. I have put in a request to have the Eldor coil (BMW part #12138657273) tested directly but I would be beyond shocked if its much different then what has already been done.
CTS have new product look like yours, is that the same?

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      10-17-2022, 07:16 AM   #81
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Quote:
Originally Posted by hungcao View Post
CTS have new product look like yours, is that the same?
No idea. I don't work for CTS or know where they get their coils from. Generally a product like a coil for the same application are all going to look nearly identical though.
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      05-23-2023, 08:10 AM   #82
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Hello everyone

I had misfires from 22psi on the Delphi OEMs with n54 twin hybrids, since the Dinans no more issues at 24-26psi
Very happy to have purchased this product
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      05-23-2023, 08:20 AM   #83
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Quote:
Originally Posted by airliner33 View Post
Hello everyone

I had misfires from 22psi on the Delphi OEMs with n54 twin hybrids, since the Dinans no more issues at 24-26psi
Very happy to have purchased this product
That's odd.....I've pushed 27psi boost on my turbos and never had any misfire issues with the OEM delphi coils and NGK plugs gapped at .022".
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      05-23-2023, 11:37 PM   #84
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Nice to see another quality option here for those that don't want a more OEM option than PR or Nexsys.
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      05-23-2023, 11:39 PM   #85
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Quote:
Originally Posted by iqraceworks View Post
That's odd.....I've pushed 27psi boost on my turbos and never had any misfire issues with the OEM delphi coils and NGK plugs gapped at .022".
Agreed but there are a lot of variables. For example a lot of people can get away with a .022 gap but others might need a .018, or some stock LPFPs can run e50 fuel while others need an upgrade on e30. These cars are finicky and all have a personality of their own lol
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      08-02-2023, 12:00 PM   #86
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Ive forgotten how to do pictures or tag people

post #37 looks like the injector wires are melted _N54

couldnt see that anyone else mentioned it or maybe im just seeing things lol

EDIT: Does that notify _N54 ? have I done it right haha

Last edited by Dopeslope; 08-02-2023 at 12:02 PM.. Reason: ask a Q
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      08-14-2023, 12:43 PM   #87
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Thought I would chime in on this thread since I have a rather strange n54.

I'm required to run a plug gap of .8-.9mm on my index 10 motor, the injectors don't leak but have a poor spray angle during idle which results in groggy running, at least that's what I've figured out. Under boost conditions the motors beautifully smooth.

I've been running the dinans on the stock setup (stg 1+ at 17 psi for 10k absolutely flawless miles, they drive the 1 step cooler plugs at a current 0.8mm gap with very minimal correction.

I do believe largely in the slight power jump, they cleaned the timing up nicely over my Bosch coils. If anyone thinks it's market jargon don't, their a good quality coil at a very reasonable price.
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