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      06-12-2020, 06:57 PM   #5
drew 007
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Drives: E91 335d M Sport
Join Date: Dec 2015
Location: South Yorkshire

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Hello buddy, Really appreciate the comment you are correct in that is does have that function but when I get the flash of the indicators it’s no where near the rev limiter or factory clock rev limit.

When the jb4 is operational it will detect a fault and put the unit back into setting 4 which is like a factory map for the jb4. Ive also noticed with the jb4 on it knocks my speedo out by 10 mph as well.

I had my Carly plugged in yesterday while out and was keeping an eye on my coolant and oil temps which was all running fine until I engaged jb4 via the steering wheel once the jb4 was running my oil temp more then doubled and my coolant temp halved within 20 secs..

Before jb4 is turned on.. oil 98.60oc coolant 81.75oc

While jb4 is turned on.. oil 275.10oc coolant 27.75oc

Very strange I just wish I knew what I was looking at and had some experience With the jb4 as it may be something simple?

Kind regards,

Drew.
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