fuel mixture

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   hi all have just serviced my p11 and have noticed the plug ends were white when i removed them. i had put some fuel addative in acouple of weeks ago and thought that was the cause but have run the tank down and refilled but plugs are still the same colour. they are ngk iridium plugs and i checked the fitment on the ngk web site (bkr5eix-11). any help would be great.thanks.

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revver Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 26 May 2010 Status: Offline Points: 8	Post Options Post Reply Quote revver Report Post Thanks(0) Quote Reply Topic: fuel mixture Posted: 29 May 2010 at 18:19
	hi all have just serviced my p11 and have noticed the plug ends were white when i removed them. i had put some fuel addative in acouple of weeks ago and thought that was the cause but have run the tank down and refilled but plugs are still the same colour. they are ngk iridium plugs and i checked the fitment on the ngk web site (bkr5eix-11). any help would be great.thanks.

Mick Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Management General Dogs Body Joined: 08 October 2005 Location: Cheshire Status: Offline Points: 2113	Post Options Post Reply Quote Mick Report Post Thanks(0) Quote Reply Posted: 30 May 2010 at 00:32
	Hi. Just check that your exhaust is not blowing as that could alter the mixture. However if the exhaust is fine and the car runs well then i wouldn't worry about it to be honest. Mick


revver Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 26 May 2010 Status: Offline Points: 8	Post Options Post Reply Quote revver Report Post Thanks(0) Quote Reply Posted: 30 May 2010 at 01:08
	have had it on ramps and no sign of blowing. should the sensors pick this up and adjust the mixture accordingly. i also want to fit stainless manifold and down pipe. i have seen some on the net 4 �110 do they sound like a fair price. also a new backbox too but dont want a 100mm black hole and would i need to do anything with the cat as she needs to stay mot friendley. sorry to through so many questions at you but but if i dont ask then i wont learn. many thanks.