[Catchmeifyoucanf90]

Just wondering if anybody had the same problem as me. Seems as if my Racechip doesn't work. I tracked the draggy runs 0-60 and stock I get 4.2 , sport mode 3.7 and the race mode is 4.1 (no tire spin) tried contacting Racechip they said that they updated my chip but only worked once.
Just to clarify , seems like sport mode works but race doesn't. Every once in a blue moon , race will decide to work. Any suggestions?

[subzero05]

no issues here, mine has been working quite well since install

[Vic55]

No issues here. your numbers suggest an install issue or something deeper.

What are your times with it completely uninstalled? (dont just change it to map zero).

adding Tom aka onfireX5

[Catchmeifyoucanf90]

Haven't tested it off, but also maybe it's cause I'm running 91??

Going to get it reinstall by somebody else. Hopefully ben can figure it out ! It just has to stop raining in Los Angeles first!

[Vic55]

Originally Posted by Catchmeifyoucanf90

Haven't tested it off, but also maybe it's cause I'm running 91??

Going to get it reinstall by somebody else. Hopefully ben can figure it out ! It just has to stop raining in Los Angeles first!

Its all Ive run and I have had zero issues since first install back in Sept (91 octane). My car in no way is slower than stock as I swap maps out to fuel my love for the item at times.

No matter what the piggy should not reduce your power in Map 0 so I think you yank the whole thing out and run the car stock and see. If you have power back then it was install or the box. If you dont then its the car.

any other mods on the car??

[Catchmeifyoucanf90]

Just mid pipe and axle back, i don't know maybe it's car. Maybe the bmw puts a block on leases for mods ? I dunno just a thought


But like I said I turn racechip off and run the numbers and get the exact same number if race was "on" which was 0-60 in 3.95 seconds and then sport is 3.6 .

[Catchmeifyoucanf90]

But even if 0-60 was nothing, the Big different in 60-120 it hauls ass in race when it works. And that's what I need. Just haven dragged it yet in those times, but feels as if I don't need to do cause there's just that much of difference

[Vic55]

Originally Posted by Catchmeifyoucanf90

But even if 0-60 was nothing, the Big different in 60-120 it hauls ass in race when it works. And that's what I need. Just haven dragged it yet in those times, but feels as if I don't need to do cause there's just that much of difference

Have you checked your vacuum lines on the axle back? If it was not plugged or reinstalled correctly you could be down on power.

[Catchmeifyoucanf90]

Originally Posted by Vic55

Have you checked your vacuum lines on the axle back? If it was not plugged or reinstalled correctly you could be down on power.

Is that the electric valve system?

To be honest I feel like somehow that could be it

[Vic55]

Originally Posted by Catchmeifyoucanf90

Is that the electric valve system?

To be honest I feel like somehow that could be it

Yep, if the installer didnt plug the valves or reinstall them correctly you will have a slower car.

[Catchmeifyoucanf90]

Originally Posted by Vic55

Yep, if the installer didnt plug the valves or reinstall them correctly you will have a slower car.

What happens if you have the eisenmann race exhaust with no valves ?

[Vic55]

Originally Posted by Catchmeifyoucanf90

What happens if you have the eisenmann race exhaust with no valves ?

Irony:

My first F10 I got the Eisenmann and we didnt plug the lines (the exhaust didnt have valves)- man that car was a slug compared to what it was pre install. We plugged it and voila!!!

[Catchmeifyoucanf90]

Originally Posted by Vic55

Irony:

My first F10 I got the Eisenmann and we didnt plug the lines (the exhaust didnt have valves)- man that car was a slug compared to what it was pre install. We plugged it and voila!!!

I'll have to check that out then, just don't know where they get plugged into, but I'm sure I can figure it out. But if that's the reason why does the racechip work sometimes then?

[Vic55]

Originally Posted by Catchmeifyoucanf90

I'll have to check that out then, just don't know where they get plugged into, but I'm sure I can figure it out. But if that's the reason why does the racechip work sometimes then?

Im not sure about the correlation between the RC and the valves but it would appear thats the issue.

If your axle back has no valves, the lines from the front are probably just floating and need to be plugged or tied off. The shop should know this.

[Catchmeifyoucanf90]

Originally Posted by Vic55

Im not sure about the correlation between the RC and the valves but it would appear thats the issue.

If your axle back has no valves, the lines from the front are probably just floating and need to be plugged or tied off. The shop should know this.

Hopefully it is, I had the eisenmann race and performance and it's been the same but performance never really did work, sometimes it be dead silent and then a second later after turning the button on and off it work , and the race has tangled wires at the moment .

Looking back I wish I would of just waited for the m performance exhaust

[Vic55]

Originally Posted by Catchmeifyoucanf90

Hopefully it is, I had the eisenmann race and performance and it's been the same but performance never really did work, sometimes it be dead silent and then a second later after turning the button on and off it work , and the race has tangled wires at the moment .

Looking back I wish I would of just waited for the m performance exhaust

Nah you are good, your installer more than likely made the error. Just have the check and then have r33_RGSport fix the box.

[Catchmeifyoucanf90]

Originally Posted by Vic55

Nah you are good, your installer more than likely made the error. Just have the check and then have r33_RGSport fix the box.

True, lol just hope when I get downpipes and intake nothing else goes wrong lol

[Used2be]

Originally Posted by Vic55

Have you checked your vacuum lines on the axle back? If it was not plugged or reinstalled correctly you could be down on power.

I don't have my F90 yet, but I don't believe vacuum is used for the exhaust flaps anymore. I'm not sure what needs to be done, if anything, if you unplug the electrical connection to the flaps. Since the new system doesn't have the flaps, I don't think it would cause the car to run poorly. They've gone to electrical control of the waste gate on the turbo and there's no need for a vacuum canister anymore.

[Vic55]

Originally Posted by Used2be

I don't have my F90 yet, but I don't believe vacuum is used for the exhaust flaps anymore. I'm not sure what needs to be done, if anything, if you unplug the electrical connection to the flaps. Since the new system doesn't have the flaps, I don't think it would cause the car to run poorly. They've gone to electrical control of the waste gate on the turbo and there's no need for a vacuum canister anymore.

Oh shit so thats what they need to do then, thanks

[r33_RGSport]

Originally Posted by Vic55

Nah you are good, your installer more than likely made the error. Just have the check and then have r33_RGSport fix the box.

His case is weird.
I swapped the unit to another brand new that I pull it off the shelf, the took it for a spin around the block.
Came back and he said it is the same thing, still no power on map 7.
So, I am clueless too.
Could be that exhaust valve connector not being connected.
1 out of so many that have this issue.

I am planning to swap the harness (which I doubt it will make any difference) when he swing by again.

[Vic55]

Originally Posted by r33_RGSport

His case is weird.
I swapped the unit to another brand new that I pull it off the shelf, the took it for a spin around the block.
Came back and he said it is the same thing, still no power on map 7.
So, I am clueless too.
Could be that exhaust valve connector not being connected.
1 out of so many that have this issue.

I am planning to swap the harness (which I doubt it will make any difference) when he swing by again.

I think its the valves.

[onfireX5]

Originally Posted by Catchmeifyoucanf90

Just mid pipe and axle back, i don't know maybe it's car. Maybe the bmw puts a block on leases for mods ? I dunno just a thought


But like I said I turn racechip off and run the numbers and get the exact same number if race was "on" which was 0-60 in 3.95 seconds and then sport is 3.6 .

First test is to plug your bypass plug in and rerun the test. A pure stock M5 is much faster than the posted Dragy. My elevation is much higher than yours and pure stock I could easily hit 3.2