N54 335 spark plug change at 17k... Looking for an opinion.

down4it · 03-05-2008, 10:40 AM

Just wanted to let you guys know, my car no longer misfires and the problem was the plugs. I looked up the spark plug color chart and found this to be called Ash Fouled plugs... I guess it happens when you run race fuels...

A build-up of combustion deposits stemming primarily from the burning of oil and/or fuel additives during normal combustion ... normally non-conductive. When heavier deposits are allowed to accumulate over a longer mileage period, they can "mask" the spark, resulting in a plug misfire condition.

raceyBMW · 03-05-2008, 10:44 AM

So does that mean you are no longer going to run 100 octane, or are you just going to change the plugs more often to compensate?

down4it · 03-05-2008, 12:12 PM

Quote:

Originally Posted by raceyBMW

So does that mean you are no longer going to run 100 octane, or are you just going to change the plugs more often to compensate?

Im looking into water/meth to make 91 into 100oct... nothing too fancy just something to raise octane. For now i will keep running 100oct and change plugs after around 8k miles...

marcvtec · 03-05-2008, 04:45 PM

Any DIY f0r P1ugs ???
Set 1 up
Set 1 up
p1ease :}

DrewKo · 03-05-2008, 06:16 PM

Can you guys list the parts and links to a site where I can buy this stuff?

down4it · 03-05-2008, 06:38 PM

Quote:

Originally Posted by DrewKo

Can you guys list the parts and links to a site where I can buy this stuff?

I bought the spark plugs from my local dealer and the spark plug tool from turner motorsports. I got a torque wrench off ebay along with a 12" 3/8" extension for the wrench... This is all you need along with some sockets for the cowl and cabin filter. The coils are a biatch but you have to pull them out and they will come out but they need some brute force...

cn555ic · 03-05-2008, 06:40 PM

Damn I wonder what your Dyno's would show now without the misfires!!! Your definately should break the 400/400 barrier for sure!!

down4it · 03-05-2008, 06:45 PM

Quote:

Originally Posted by cn555ic

Damn I wonder what your Dyno's would show now without the misfires!!! Your definately should break the 400/400 barrier for sure!!

I feel dumb for not changing them before but im probably going to the track this weekend... Im hoping for low 12's since california speedway is a bit higher elavation...

DrewKo · 03-05-2008, 09:17 PM

Quote:

Originally Posted by down4it

I feel dumb for not changing them before but im probably going to the track this weekend... Im hoping for low 12's since california speedway is a bit higher elavation...

Cool, which piggyback are you using? Good luck at the track!!

bmwzimmer · 03-06-2008, 09:54 AM

Can somebody do a sparkplug DIY?

M&M · 03-06-2008, 10:23 AM

Quote:

Originally Posted by 1clean335i

it fits.... its about 10" long 14mm 12-point thin wall socket

You sure it's 14mm & not 16mm?

hl0m4n · 03-06-2008, 10:29 AM

Quote:

Originally Posted by M&M

You sure it's 14mm & not 16mm?

hm at at almost 25k miles and never changed plugs nor have i got misfire codes or ne thing like that. says on i drive that im still 30k due. should i change at least one time at 25k?

down4it · 03-06-2008, 11:25 AM

Quote:

Originally Posted by hl0m4n

hm at at almost 25k miles and never changed plugs nor have i got misfire codes or ne thing like that. says on i drive that im still 30k due. should i change at least one time at 25k?

look if you dont use race gas and you dont drive the car to death then your plugs can last over 50k without misfiring. I wouldn't change them unless theres a reason to do it... These are not $4 plugs...

down4it · 03-06-2008, 11:28 AM

Quote:

Originally Posted by DrewKo

Cool, which piggyback are you using? Good luck at the track!!

Thanks! I'm running the JB2HR... I pulled 390whp and 430wtq and the car was misfiring so I wish I changed the plugs before the dyno...

marcvtec · 03-06-2008, 06:23 PM

DIY C'm0n

1clean335i · 03-06-2008, 08:20 PM

its not hard guys.. take off the microfilter housing which im sure 90% of u guys have done to install the procede, xede, or whatever. take off the 4 allen bolts for the engine cover, flip the lock up for the coil plug, slide the coil plug off and pull the coil up.. loosen the spark plug and put the new one in... pretty straight forward...

E82tt6 · 03-06-2008, 08:48 PM

Hmm, I wonder if the way Direct Injection dilutes oil could have some effect on this? Were you burning any oil?

I know some RS4 guys had this kind of problem with their plugs because of high fuel dilution in the oil. They had better luck after switching to a higher quality ester-based synthetic. Audi and BMW have both offered entirely inapropriate oils for DI engines.

Richwm · 04-13-2008, 09:38 AM

Ive got 73k miles on my plugs but its only a 330i not a 335 I got my plugs from Crown auto $80 shipped. I am changing them this morning, because my gas milage has gone down a little and I am getting a slight miss at idle every once in a while.

hl0m4n · 04-13-2008, 11:43 AM

aftermarket there is one which is ignition solutions now okada. but if your stock its pretty much over kill but they are amazing expecially on f/i m3s.

oddjob2021 · 04-13-2008, 04:37 PM

i sugjest pulstar plugs.

HeavyCrown · 04-13-2008, 05:07 PM

Quote:

Originally Posted by oddjob2021

i sugjest pulstar plugs.

There are no aftermarket plugs for the N54 motor and the OEM are $20-35 each...

HyperM3 · 04-13-2008, 05:29 PM

Anyone have any pics or links to this magic spark plug pulling tool?

03-05-2008, 10:40 AM	#23
down4it Banned 63 Rep 1,743 Posts Drives: E92 335i Join Date: Jul 2007 Location: SoCal iTrader: (3)	Just wanted to let you guys know, my car no longer misfires and the problem was the plugs. I looked up the spark plug color chart and found this to be called Ash Fouled plugs... I guess it happens when you run race fuels... A build-up of combustion deposits stemming primarily from the burning of oil and/or fuel additives during normal combustion ... normally non-conductive. When heavier deposits are allowed to accumulate over a longer mileage period, they can "mask" the spark, resulting in a plug misfire condition.
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03-05-2008, 10:44 AM	#24
raceyBMW king of the hills 92 Rep 2,915 Posts Drives: 2011 M3 w/ESS55, 2001 540i/6 Join Date: Dec 2006 Location: Arvada, CO iTrader: (1) Garage List 2001 BMW 540i/6 [8.17] 1994 530i [9.00] 2007 335i Coupe [8.37]	So does that mean you are no longer going to run 100 octane, or are you just going to change the plugs more often to compensate?
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03-05-2008, 04:45 PM	#26
marcvtec Banned 407 Rep 2,704 Posts Drives: M5 Join Date: Oct 2006 Location: toronto iTrader: (0)	Any DIY f0r P1ugs ??? Set 1 up Set 1 up p1ease :}
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03-05-2008, 06:16 PM	#27
DrewKo Lieutenant Colonel 44 Rep 1,568 Posts Drives: 335i Montego Blue Saddle Brown Join Date: Jan 2007 Location: Atlanta, GA iTrader: (4) Garage List 2007 335i [0.00]	Can you guys list the parts and links to a site where I can buy this stuff?
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03-05-2008, 06:40 PM	#29
cn555ic 441 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	Damn I wonder what your Dyno's would show now without the misfires!!! Your definately should break the 400/400 barrier for sure!!
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03-06-2008, 09:54 AM	#32
bmwzimmer Major 35 Rep 1,084 Posts Drives: 335 Join Date: Jan 2007 Location: 91 octane states iTrader: (0)	Can somebody do a sparkplug DIY?
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03-06-2008, 06:23 PM	#37
marcvtec Banned 407 Rep 2,704 Posts Drives: M5 Join Date: Oct 2006 Location: toronto iTrader: (0)	DIY C'm0n
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03-06-2008, 08:20 PM	#38
1clean335i Perf BMW mag issue 147, 159 414 Rep 6,803 Posts Drives: Project Estoril Join Date: Feb 2007 Location: Miami, FL iTrader: (31) Garage List 2013 335i M-sport [0.00] 2011 X5 xdrive35i M ... [0.00] 2009 335i M-sport [0.00] 07' 335i Sedan [0.00]	its not hard guys.. take off the microfilter housing which im sure 90% of u guys have done to install the procede, xede, or whatever. take off the 4 allen bolts for the engine cover, flip the lock up for the coil plug, slide the coil plug off and pull the coil up.. loosen the spark plug and put the new one in... pretty straight forward... __________________ '13 Estoril Blue 335i M-sport *Don't PM me!* Message me here- http://www.facebook.com/ProjectEstoril
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03-06-2008, 08:48 PM	#39
E82tt6 Colonel 103 Rep 2,626 Posts Drives: '08 Black Saphire Z4 MC Join Date: Oct 2007 Location: New Jersey iTrader: (0)	Hmm, I wonder if the way Direct Injection dilutes oil could have some effect on this? Were you burning any oil? I know some RS4 guys had this kind of problem with their plugs because of high fuel dilution in the oil. They had better luck after switching to a higher quality ester-based synthetic. Audi and BMW have both offered entirely inapropriate oils for DI engines.
	Appreciate 0 Quote

04-13-2008, 09:38 AM	#40
Richwm Captain 65 Rep 920 Posts Drives: 06 E90 330i 6MT, 01 E46 330i Join Date: May 2006 Location: Canyon Country, CA. iTrader: (0) Garage List 2020 Jeep JLU Wrangler [0.00] 2006 (Mar 05 build ... [8.00] 2001 330i [9.00]	Ive got 73k miles on my plugs but its only a 330i not a 335 I got my plugs from Crown auto $80 shipped. I am changing them this morning, because my gas milage has gone down a little and I am getting a slight miss at idle every once in a while. __________________ Mar 05 Build date,2006 E90 330i, Sport Package, Premium Package, TR MT-1's . V-1 Hard-wired power with custom V-1 Concealment Display . Rear fogs, Rear power outlet's, M short shifter knob, BlackLines, BMW Strut tower bar, CDV Delete, Front M3 wishbones + tension struts, BMW Performance shocks and springs, BMW Performance Brake kit F&R, OEM short shift kit. Rear M3 Guide rods and Wishbones. 2006 E-90 330i with 302,000 miles.
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04-13-2008, 11:43 AM	#41
hl0m4n Major General 2159 Rep 5,623 Posts Drives: BMW Join Date: Nov 2006 Location: NY iTrader: (58)	aftermarket there is one which is ignition solutions now okada. but if your stock its pretty much over kill but they are amazing expecially on f/i m3s. __________________ Cars: 07 335i ► 08 328i ► 11 328xi ► 13 M3 ► 17 M4 ► 14 M6
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04-13-2008, 04:37 PM	#42
oddjob2021 ASR Turbos+LSD+Meth= :D 73 Rep 1,517 Posts Drives: E92 335i Join Date: May 2007 Location: Miami, FL iTrader: (0) Garage List 2007 E92 335i [0.00]	i sugjest pulstar plugs. __________________ 2007 335i Coupe Mods: Check the Garage
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04-13-2008, 05:29 PM	#44
HyperM3 Too many Alex's, from now on, call me Beaufort 342 Rep 6,188 Posts Drives: See Sig Join Date: Feb 2007 Location: Lawrenceville, NJ iTrader: (8)	Anyone have any pics or links to this magic spark plug pulling tool? __________________ 13 HD FatBob 17 A4 Glacier/Black 1st Edition/Pre+/Sport/EurocodeTMD/Racechip 16 S6 (gone),14 S6 (gone),14 S6 (gone),13 S6 (gone),10 S4 (gone) 07 335i(gone)
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