[gsmurf]

I just got done installing it took me an 45 min (it helps that I've installed a power box on my old e90). All I can say is " Holy crap, just punch it and pray!"
I feel my face is stuck on smilling ear to ear.
And my car is completely stock, oh man I'm going to enjoy this a lot.
If anybody need help installing let me know I'll help out as much as I can.

[lpphreakx06]

Yeah, I remember the first few days of installing it. My gas mileage going to shit lol.

[98005xi]

hmmmmm......I wanna have that same feeling too, but I'm just too chix-shit to gamble with the warranty. I was gonna just do the Dinan stage 1 instead, thinking that SOMETHING is better than just stock (which I'm still fully happy with btw).

THAT much fun, huh?

[gsmurf]

Just don't drive any 335i with a tune bro, as after you feel the power there's no going back. I had the JB for a few weeks before the JB4 and there was no comparison.

[Chicks-Love-Bimmers]

JB4 is definitely a noticeable difference from stock. BMS DCI works great with the JB4 I recommend it.

[gsmurf]

Originally Posted by Chicks-Love-Bimmers

JB4 is definitely a noticeable difference from stock. BMS DCI works great with the JB4 I recommend it.

I'm ordering the DCI as soon as I get a couple of codes resolved. Terry is helping me figure it out. The codes were 2C3E and 2C2E both have something to do with O2 sensors if I remember correctly.

[gsmurf]

The codes were not tune related it looks like, probably already there before the JB4 was installed. I took the JB4 in and out if my car 4 times in 24 hrs so I think I can do it pretty fast and efficiently now. Lol
DCI ordered.

[E92ML]

I love my DCI. Can't wait to get JB4 installed!

[98005xi]

Where's most of your improvement? On the lower end torque from a red light stop or at passing speed (both @ higher revs of course).

[Tyetiger]

Originally Posted by 98005xi

hmmmmm......I wanna have that same feeling too, but I'm just too chix-shit to gamble with the warranty. I was gonna just do the Dinan stage 1 instead, thinking that SOMETHING is better than just stock (which I'm still fully happy with btw).

THAT much fun, huh?

I love the JB4. The first few days are going to be amazing because the tune is still learning your car, but it will settle in. No worries about the warranty, they won't see it. Just make sure you turn it off before you go (take 2 secs). My car is under warranty I've brought it in for service with out a problem

[gsmurf]

Originally Posted by 98005xi

Where's most of your improvement? On the lower end torque from a red light stop or at passing speed (both @ higher revs of course).

Right now I feel a big improvement on the lower end. With stock the power comes on at around 2200 RPM now it's their from 1400 RPM. I can actually say now there's no lag.
The power midband is really where it's at though, stock pulls hard even then but now I get a little nervous when I punch it hard. I'm not an expert but my butt dyno is definitely very impressed.
I have not had any chance to really try it up top so I can't say how it is 5k upwards.

[Project M4]

DCI is on sale right now for 95$!!

[ar_mike]

this is making me want to get a JB4 too....crappp =P

[vincentvega222]

DCI is always $95+ship = $105. Dont get the single cone. Don't worry about warranty as long as you take it out before you dealer the car. Takes me like 15 minutes to do it, no joke (I use a power drill for the 8mm bolts). Biggest issue for me is getting the ECU cover back in. And my MPG is like 20.0, what are you guys getting?

[gsmurf]

Originally Posted by vincentvega222

DCI is always $95 ship = $105. Dont get the single cone. Don't worry about warranty as long as you take it out before you dealer the car. Takes me like 15 minutes to do it, no joke (I use a power drill for the 8mm bolts). Biggest issue for me is getting the ECU cover back in. And my MPG is like 20.0, what are you guys getting?

I used a power drill for the 8mm bolts too, lol. The only time it took me longer was when I installed the USB cable thru the FireWire via the hole inside the ECU box. It worked out great because I can access it now thru my glove box. Very convenient for logging and firmware updates. ( I followed the DIY )
With regards to MPG I think I'm getting around 22, but I also have a 6 speed manual.