Thread: JB4 issues
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      07-31-2020, 02:27 PM   #7
ziekxq
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Drives: 2011 535i xDrive
Join Date: Feb 2016
Location: United States

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Quote:
Originally Posted by NYC535iowner View Post
I just have a stupid question,

is it ok to run the catless DP without any other piggy back/ tune on the car.

I dont know if is all in my head but the mechanic tells me that the car is fine but when i drive it i feel nervous like is going to breakdown on me.
If it isn't optimize for Catless dp then car will drink more fuel aka bad gas mileage. Beside that it will have no problem as I ran my car catless dp for 5-6 months.

Last edited by ziekxq; 08-01-2020 at 05:26 PM..
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