Date: Thu, 18 Sep 2003 18:14:40 +0200
From: Simon Putz <>
Subject: Re: Whats goin on in my engine??

Hi, > > They do look like the last one in that group of > > pics with the additive splash. Since I dont use additives, it must be > > something in the Esso gas I use. I will put another 1k on the old girl and > > check the new plugs. If I still have the deposits, I will switch brands of > > fuel for a few thou and see what happens. nd yes the new plugs are the > > factory recommended type in my manual. > > Your manual recommends Bosch Platinums? Every manual I've seen for the > last two decades or so of production has listed NGK. What year/model/ > engine/market? i had a 9000i 2.0 and if i remember correctly the manual recommends NGK BPC5ES plugs, no word about bosch. i heard from people that the bosch platinums dont perform worse than the NGK plugs in the NA engine. but they are surely not neccessary and wont give you any benefit. to the OP: everything of the Ignition/Injection system on your car is made by bosch, just the plugs are made by NGK. think about it, saab must have thought about something. absolute no-no are Bosch Platinums in turbo engines! just original NGK dont accept substitutes bye simon

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