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Re: Honeymoon over - Check Engine Light on ..... (archive)

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Posted by MR3 on October 08, 2000 at 08:03:10:

In Reply to: Re: Honeymoon over - Check Engine Light on ..... posted by pete on October 08, 2000 at 01:37:26:

Huh???? Your warning him? About what? Your post is not true. What planet are you from?
I have several mods on my 98 4door and after 20+ autocrosses and a few track days the CE light never came on due to either the mods, or bouncing off the rev limiter. Where do you folks come up with these posts? In fact the only time my CE light did come on was when one of my 4 O2 sensors threw a code....

Boston Autocross Co-Chair
98M3/4 Dakar/Black; BMWCCA #164910; SCCA #R282301
Sharked; ERT Pulley ; ECIS Cold Air Intake+Dewipped; BLS/ERK with a clutch
Stop; X Brace; Schroth 3 Point Harnesses; Euro Rotors with Porterfield R4S
pads; BimmerWorld Cool Brake Kit; Forged Double Spokes with 245/40 Hoosierís; Fikse FM5 17x8.5's &
245/40KD's; P 210ís for the Winter; V1, NEO Synthetics everywhere!; UUC Adj Swaybars; UUC Strut Brace; TC Kline Double Adj Koni Coilovers with H&R Race Springs, TC Kline Camber Plates; Ground Control RSMís; Colgan Bra
3 Degrees of Neg Camber front; 2 Degrees rear

In most modern cars, excessively hard driving, or hitting the rev limiter can set the check engine light. I'm warning you, if you have any mods, you will get used to that light, almost any mod will disrupt rates of flow etc. in the engine (this is were the power comes from), and set off the light. If you really hate it, maybe it can be disconnected. If its on all the time, it won't tell you anything more anyway.

Perhaps I should be thankful that it lasted 13 days sans drama. I will never forget the first beautiful, nostalgic days of my first M3. ...

Anyway, I warmed it up this morning, drove it to the car wash, and while I was waiting for the spray-bay to open up, the light comes on! I was just sitting there doing nothing....damnit. Where was it when I took that last offramp?

Today at the Autocross (Devens AFB, Ma.) most M owners started telling me my O2 sensor is going, is gone, to get used to the light being on, that it comes on for trivial reasons, etc. Well, I will NOT get used to that light being on, and if the car indeed trips that light so easily then I shall get myself a reset tool.

Has anyone had any experience with these? Do they come with a list of fault codes so that I can call my dealership with the result and tell them the problem rather than have them take the car for a day only to run the same tool against it? I know this time the car will go in for the light reset just to be sure, but the more I think of it, the smarter this reset tool sounds.

What frustrates me is that right now I have no mods. The UDP hasn't been installed yet and I have already shot a check engine light! What might happen when I have the ECIS and the chip? I think I will definitely need the reset any and all advice will be greatly appreciated guys, because right now my first trip is up to Newburyport to grab one from Turner.




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