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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > JBD install and check engine light came up?

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      12-11-2012, 09:36 PM   #23
Wondering what to do..
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Originally Posted by OldMan335dOwner View Post
Has anyone used the Scan Gauge 2 tool that you can get for about $150 at AutoZone? From what I can tell it should work fine, but wondered if anyone had any experience with it on the BMW? Jack
I use it for mine. It works fine for me. I have no idea about the shadow codes though. So far it pulls up codes and I can clear them.

I actually enjoy it more for the intake and water temp readouts. Too bad I can't code the thing to read EGT's.
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      12-20-2012, 02:46 PM   #24
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Is it normal that at 70% the check engine light comes out, on my car it seems that its only safe at 60% or less
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      12-20-2012, 05:41 PM   #25
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Different cars react differently to the box. The reason people are telling you to get the CANtool from BMS is that you can set it to automatically delete nuisance codes (which are very likely causing your SES light). This way, if the engine light comes on, you know it is something real or your car is letting you know that it doesnt like the JBD at that level. currently, it is simply your car telling you "you are manipulating my rail pressure" which you already knew.

Personally, I don't get an SES light with JBD (sans cantool) unless I am at >90% and I floor it while it is cold (which I don't do), but everybody's car is different. Think of your car like an individual. Some people will put up with being manipulated, some even take pleasure in it, but most will either remain completely oblivious or really kick back when aware of what's going on.

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