[scottro]

I know this doesn't make sense, how could the procede cause this? But, I have had the hard brake pedal symptom every morning and after work for the past n months since I've installed the procede. I removed the procede for about a week and I did not have the hard brake pedal once. As soon as I put the procede back on, the very next morning the hard brake pedal was back.

I can't explain it, but I'm wondering if anyone else has seen this behavior and also how many of us have procede and are just living with the hard brake pedal?

No other changes were done to the car during that week, just simply took the procede out and the pedal was soft again in the mornings.

[Beemw335]

Not related

[wickedgtr]

There was a SIB out for this, its a common problem, not related to any tune:

https://www.google.com/search?q=site...rake+pedal+SIB

[cn555ic]

Not related. Just push down on it a couple of times and start car

[JDrillingJ]

OP, I know what you are talking about....everyone is saying not related, but mine just started doing the exact same thing the very week I installed my JB4.

JDJ

[achien]

the ECU controls the hydraulics which activates the brake pedal, the Procede could interfere with the ECU controls.

Originally Posted by scottro

I know this doesn't make sense, how could the procede cause this? But, I have had the hard brake pedal symptom every morning and after work for the past n months since I've installed the procede. I removed the procede for about a week and I did not have the hard brake pedal once. As soon as I put the procede back on, the very next morning the hard brake pedal was back.

I can't explain it, but I'm wondering if anyone else has seen this behavior and also how many of us have procede and are just living with the hard brake pedal?

No other changes were done to the car during that week, just simply took the procede out and the pedal was soft again in the mornings.

[Streetsweeper360]

Impossible !

[wickedgtr]

Its just a leak........

Lots of posts...

http://www.e90post.com/forums/showthread.php?t=570913
http://www.e90post.com/forums/showthread.php?t=100809

[scottro]

Originally Posted by JDrillingJ

OP, I know what you are talking about....everyone is saying not related, but mine just started doing the exact same thing the very week I installed my JB4.

JDJ

Glad to hear I'm not alone I doubt it's a leak like everyone says, otherwise it would happen without the procede as well. Unless you apply the same mindset as everyone applies to spark plugs, and the procede is just pushing my car to the limits while it is off, causing the vacuum system to show its weakness :P