Coil?

Welterweight · 06-18-2015, 06:55 PM

Fine tuning an E85 map on version 8. Was having a misfire wot on cylinder 6. Changed plugs and switched coils to see if misfire would follow. Started car and it's misfiring on idle and sounds like it's really struggling. I am thinking coil was not reinstalled properly. Any thoughts?

335NJ · 06-18-2015, 07:28 PM

Pull the coils off and make sure they're seated properly. What plugs are you using?

Welterweight · 06-18-2015, 07:34 PM

Ok I will check coils

Oem plugs!

335NJ · 06-18-2015, 07:54 PM

Quote:

Originally Posted by Welterweight

Ok I will check coils

Oem plugs!

Did you get any other codes besides the cylinder 6 misfire, and what cylinder was missing when you started it and said it ran poorly after the new plugs?

mike@x-ph.com · 06-20-2015, 11:35 PM

Quote:

Originally Posted by 335NJ

Did you get any other codes besides the cylinder 6 misfire, and what cylinder was missing when you started it and said it ran poorly after the new plugs?

+1 did the misfire follow the coils ?

Welterweight · 06-21-2015, 10:56 AM

It misfired on cylinder 6 a few times under WOT. After plugs and coil swap the car would barely run. Guy was telling me the piston may need to be replaced! I was so pissed as the car was running great aside from aggressive WOT pulls causing a misfire. Turns out the mechanic didn't connect coil fully! I got my car out of that place asap.

924er · 06-21-2015, 01:30 PM

Rookie mistake.

Do ur own coils and plugs it's super easy

Miko226 · 06-21-2015, 01:41 PM

Quote:

Originally Posted by 924er

Rookie mistake.

Do ur own coils and plugs it's super easy

+1

Welterweight · 06-21-2015, 01:50 PM

Yeah I hear ya on the DIY.....

I have no garage and lack the tools, haha

924er · 06-21-2015, 02:15 PM

Quote:

Originally Posted by Welterweight

Yeah I hear ya on the DIY.....

I have no garage and lack the tools, haha

Same here but I managed to buy a metric socket set, Allen keys, extension and 12 point spark plug tool and that's pretty much all you need.

It will save u a hassle down the line especially if ur tuned. Misfires will be easy to fix without going to a shop. Also checking your sparks is a good way to see if your injectors are leaking as it will smell of fuel. Last time I changed my plugs I noticed oil on one so I quickly brought it to the dealer and they replaced my valve cover and gasket

Welterweight · 06-21-2015, 03:38 PM

Dealer did Valve cover? Under warranty?

06-18-2015, 06:55 PM	#1
Welterweight Major 100 Rep 1,337 Posts Drives: Truck in snow, coupe in summer Join Date: Jan 2013 Location: Boston iTrader: (3) Garage List 2012 BMW 328i [0.00] 2005 Dodge Ram Quad ... [0.00] 2009 BMW 335xi E92 [10.00]	Coil? Fine tuning an E85 map on version 8. Was having a misfire wot on cylinder 6. Changed plugs and switched coils to see if misfire would follow. Started car and it's misfiring on idle and sounds like it's really struggling. I am thinking coil was not reinstalled properly. Any thoughts? __________________ 2009 BSM E92 335xi - RR600's/FBO-VRSF/Apex Arc 8/Wedge E60 MHD/Fuel it Stage 2/BMW PE w/ Dimisa Tips/Alpina TCU/Dinan Springs/RB Inlets/3.5 Bar TMAP
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06-18-2015, 07:28 PM	#2
335NJ Colonel 535 Rep 2,872 Posts Drives: 2008 335i 6MT E90 Join Date: Feb 2014 Location: NJ/Philadelphia Suburbs iTrader: (1)	Pull the coils off and make sure they're seated properly. What plugs are you using?
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06-18-2015, 07:34 PM	#3
Welterweight Major 100 Rep 1,337 Posts Drives: Truck in snow, coupe in summer Join Date: Jan 2013 Location: Boston iTrader: (3) Garage List 2012 BMW 328i [0.00] 2005 Dodge Ram Quad ... [0.00] 2009 BMW 335xi E92 [10.00]	Ok I will check coils Oem plugs!
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06-21-2015, 10:56 AM	#6
Welterweight Major 100 Rep 1,337 Posts Drives: Truck in snow, coupe in summer Join Date: Jan 2013 Location: Boston iTrader: (3) Garage List 2012 BMW 328i [0.00] 2005 Dodge Ram Quad ... [0.00] 2009 BMW 335xi E92 [10.00]	It misfired on cylinder 6 a few times under WOT. After plugs and coil swap the car would barely run. Guy was telling me the piston may need to be replaced! I was so pissed as the car was running great aside from aggressive WOT pulls causing a misfire. Turns out the mechanic didn't connect coil fully! I got my car out of that place asap.
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06-21-2015, 01:30 PM	#7
924er Colonel 351 Rep 2,049 Posts Drives: e92 335i '10 Join Date: Feb 2014 Location: Socal iTrader: (0)	Rookie mistake. Do ur own coils and plugs it's super easy __________________ '10 e92 N54 DCI intakes, ER chargepipe, TIAL BOV, VRSF 5in FMIC, BMS Downpipes COBB e30
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06-21-2015, 01:50 PM	#9
Welterweight Major 100 Rep 1,337 Posts Drives: Truck in snow, coupe in summer Join Date: Jan 2013 Location: Boston iTrader: (3) Garage List 2012 BMW 328i [0.00] 2005 Dodge Ram Quad ... [0.00] 2009 BMW 335xi E92 [10.00]	Yeah I hear ya on the DIY..... I have no garage and lack the tools, haha __________________ 2009 BSM E92 335xi - RR600's/FBO-VRSF/Apex Arc 8/Wedge E60 MHD/Fuel it Stage 2/BMW PE w/ Dimisa Tips/Alpina TCU/Dinan Springs/RB Inlets/3.5 Bar TMAP
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06-21-2015, 03:38 PM	#11
Welterweight Major 100 Rep 1,337 Posts Drives: Truck in snow, coupe in summer Join Date: Jan 2013 Location: Boston iTrader: (3) Garage List 2012 BMW 328i [0.00] 2005 Dodge Ram Quad ... [0.00] 2009 BMW 335xi E92 [10.00]	Dealer did Valve cover? Under warranty?
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