Don't Buy DELPHI Coils

F30RiK · 12-09-2018, 12:00 PM

I bought 6 delphi coils a year ago but I did less then 5000km with the car.

One coil is already bad.

My OEM Coils with 100k miles are still good.

I saw some reviews today on these coils and I'm not the only one with issues.

https://www.ecstuning.com/b-delphi-p...138616153~dlp/

F30RiK · 12-09-2018, 12:35 PM

https://www.amazon.ca/Delphi-GN10571.../dp/B00JRWDTVE

E90705 · 12-09-2018, 12:38 PM

I agree I replaced my perfectly fine OEM bmw coils with Delphi coils in cylinder 6 failed causing a bad misfire. Under 7k on them.

F30RiK · 12-09-2018, 12:57 PM

Worst part is that my OEM coils are made by Delphi, but they seems to be made a lot better. (By BMW SPECS maybe?) and are a bit heavier

E90705 · 12-09-2018, 01:58 PM

Either the rubber boot or plastic handle is where they cut costs, it looks like my set the rubber boot is where the costs were cut.

1QuikWS6 · 12-09-2018, 02:53 PM

Question is why are you all (by your own statements) replacing perfectly fine coils?

Replace them when they fail, won't happen to all at once, so wait till one of the originals fail THEN replace them all....

F30RiK · 12-09-2018, 04:40 PM

Preventive maintenance. Did you ever drove a BMW running on 5 cylinders ? it's really bad lol. I had a hard time just to get the car moving from a red light (my car is 6mt).

Polo08816 · 12-09-2018, 05:51 PM

Quote:

Originally Posted by F30RiK

Preventive maintenance. Did you ever drove a BMW running on 5 cylinders ? it's really bad lol. I had a hard time just to get the car moving from a red light (my car is 6mt).

You should be able to get about 250hp just on 5 working cylinders which makes the car, still, faster than a 328i with 240hp.

F32Fleet · 12-09-2018, 06:36 PM

Quote:

Originally Posted by F30RiK

Preventive maintenance. Did you ever drove a BMW running on 5 cylinders ? it's really bad lol. I had a hard time just to get the car moving from a red light (my car is 6mt).

Coils are rated for 100k miles.

amw896 · 12-09-2018, 09:15 PM

thanks for pointing this out. I'm thinking about changing the coils on my 235i soon. The OE delphi's are also listed on ECs tuning but they are pricier, no doubt.

ronanz · 12-09-2018, 09:32 PM

$11.00US cheaper per coil with RockAuto

.

jh_f30 · 12-10-2018, 01:47 AM

Hmm, interesting. I replaced my original coils with the Delphis just under 20k miles ago. Haven't had any misfire issues. I kept my originals, so if one or more go bad, I figure I can swap out to keep me running. Which reminds me, I should get some new plugs soon.

zinner · 12-10-2018, 09:21 AM

Quote:

Originally Posted by F30RiK

Preventive maintenance. Did you ever drove a BMW running on 5 cylinders ? it's really bad lol. I had a hard time just to get the car moving from a red light (my car is 6mt).

I have yes driven with a bank shut down it SUCKS, I think this is the 2nd thread I have read where the owner replaced coils prophylactic and it ended poorly. So two votes for OEM coils on the N55 at least at this point and probably just when they fail.

E90705 · 12-10-2018, 10:18 AM

I changed my OEM ones preventatively before any tuning, driving on one bad coil was pretty disappointing. Car shakes , you can tell something is wrong, a CEL and basically no acceleration. But guess what I ordered brand new Delphi's and plugs again preventively and keep a OEM in the car just in case.

12-09-2018, 12:00 PM	#1
F30RiK Lieutenant 128 Rep 403 Posts Drives: 13' 335 xdrive M-sport 6 Speed Join Date: Aug 2014 Location: QC, LAval iTrader: (1)	Don't Buy DELPHI Coils I bought 6 delphi coils a year ago but I did less then 5000km with the car. One coil is already bad. My OEM Coils with 100k miles are still good. I saw some reviews today on these coils and I'm not the only one with issues. https://www.ecstuning.com/b-delphi-p...138616153~dlp/
	Appreciate 0 Tweet Quote

12-09-2018, 12:35 PM	#2
F30RiK Lieutenant 128 Rep 403 Posts Drives: 13' 335 xdrive M-sport 6 Speed Join Date: Aug 2014 Location: QC, LAval iTrader: (1)	https://www.amazon.ca/Delphi-GN10571.../dp/B00JRWDTVE
	Appreciate 0 Quote

12-09-2018, 12:38 PM	#3
E90705 First Lieutenant 127 Rep 383 Posts Drives: E90/F25 M-sport Join Date: Mar 2015 Location: Central iTrader: (0)	I agree I replaced my perfectly fine OEM bmw coils with Delphi coils in cylinder 6 failed causing a bad misfire. Under 7k on them.
	Appreciate 0 Quote

12-09-2018, 12:57 PM	#4
F30RiK Lieutenant 128 Rep 403 Posts Drives: 13' 335 xdrive M-sport 6 Speed Join Date: Aug 2014 Location: QC, LAval iTrader: (1)	Worst part is that my OEM coils are made by Delphi, but they seems to be made a lot better. (By BMW SPECS maybe?) and are a bit heavier
	Appreciate 0 Quote

12-09-2018, 01:58 PM	#5
E90705 First Lieutenant 127 Rep 383 Posts Drives: E90/F25 M-sport Join Date: Mar 2015 Location: Central iTrader: (0)	Either the rubber boot or plastic handle is where they cut costs, it looks like my set the rubber boot is where the costs were cut.
	Appreciate 0 Quote

12-09-2018, 02:53 PM	#6
1QuikWS6 No 55mph 1619 Rep 8,476 Posts Drives: F32 435ix MSport Join Date: Jul 2009 Location: Blitzburgh, PA iTrader: (113) Garage List 2022 BMW M440ix Vert [0.00] 2015 BMW 435ix MSport [0.00] 2000 Pontiac Trans Am [0.00]	Question is why are you all (by your own statements) replacing perfectly fine coils? Replace them when they fail, won't happen to all at once, so wait till one of the originals fail THEN replace them all.... __________________ F32 435ix//MGM//M Sport-Prem-Tech-Driver Assist-Lighting-Cold Weather-Dyn Handling Pkgs//M4 Black Lthr Int w/M4 Alum Blade Trim//HK w/Bavsound Stg3//763M//M4 Euro LCI Tails//M4 Mirrors w/CF Covers//AWCarbon CF F/R Spoilers-Side Splitters-Diffuser 6WB/ID6 HU+HUD/IND M4 Alcantara Armrest//PURE S2 Turbo//AA FMIC+DP//ER CP+TIC//3.5bar TMAP/TS DV//AWE Tuning Exh w/Blk Tips//Turner MS CF Intake//BM3 Cary Jordan Tune//MPerf Diff//PrecRW Ignition Kit
	Appreciate 1 F32Fleet3566.00 Quote

12-09-2018, 04:40 PM	#7
F30RiK Lieutenant 128 Rep 403 Posts Drives: 13' 335 xdrive M-sport 6 Speed Join Date: Aug 2014 Location: QC, LAval iTrader: (1)	Preventive maintenance. Did you ever drove a BMW running on 5 cylinders ? it's really bad lol. I had a hard time just to get the car moving from a red light (my car is 6mt).
	Appreciate 0 Quote

12-09-2018, 09:15 PM	#10
amw896 Major 583 Rep 1,117 Posts Drives: 2015 BMW M235i Join Date: Feb 2016 Location: ontario iTrader: (0) Garage List 2015 BMW M235i [10.00]	thanks for pointing this out. I'm thinking about changing the coils on my 235i soon. The OE delphi's are also listed on ECs tuning but they are pricier, no doubt.
	Appreciate 0 Quote

12-09-2018, 09:32 PM	#11
ronanz Gettin It Figured Out 1820 Rep 2,669 Posts Drives: 435i FBO PS2 bm3 w/ options Join Date: Jul 2014 Location: Southwest Region iTrader: (3)	$11.00US cheaper per coil with RockAuto . __________________ . My Build Thread can be found HERE
	Appreciate 0 Quote

12-10-2018, 01:47 AM	#12
jh_f30 Lieutenant Colonel 1306 Rep 1,827 Posts Drives: 2013 335i Sportline Auto RWD Join Date: Aug 2017 Location: Bay Area, CA iTrader: (2)	Hmm, interesting. I replaced my original coils with the Delphis just under 20k miles ago. Haven't had any misfire issues. I kept my originals, so if one or more go bad, I figure I can swap out to keep me running. Which reminds me, I should get some new plugs soon. __________________ 2013 F30 335i RWD ZF Melbourne Red ~Remus Sport Axleback~VRSF Chargepipe~VRSF Catless Downpipe~GPlus FMIC~HR Sport Springs~Active Autowerke OBD Flash Tune Stage 2~
	Appreciate 0 Quote

12-10-2018, 10:18 AM	#14
E90705 First Lieutenant 127 Rep 383 Posts Drives: E90/F25 M-sport Join Date: Mar 2015 Location: Central iTrader: (0)	I changed my OEM ones preventatively before any tuning, driving on one bad coil was pretty disappointing. Car shakes , you can tell something is wrong, a CEL and basically no acceleration. But guess what I ordered brand new Delphi's and plugs again preventively and keep a OEM in the car just in case.
	Appreciate 0 Quote