Racechip XLR - 23i

W

wanderer

Member
I finally got around to installing the Racechip XLR Throttle Tuner yesterday.

On first impressions... me likey.

There are three modes: Eco, Sport and Race.
Within each mode you can fine tune to your liking between: E, E+, S, S+, R, R+

Previously I commented on the sluggishness of the 23i when moving off.
This takes care that problem.
I press the accelerator pedal and the car moves off, almost no delay.

Installation was simple. The most difficult thing was removing the plastic cover over the bolt that holds the pedal down. Just required a small pry tool.

Overall: money and time taken for installation and results make for €200 well spent.



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I’ve got one on my 30i and yes it does make the car better to drive. Not sure if the box is worth 200€ mind, I got mine second hand for a fraction of that.
 
I would like throttle in sport mode when normal mode selected.
Normal throttle seems pointless on the lower engines.
So does this box just remap throttle response.
 
flybobbie said:
I would like throttle in sport mode when normal mode selected.
Normal throttle seems pointless on the lower engines.
So does this box just remap throttle response.
Click to expand...

It remaps throttle response in both sport and normal modes.
 
This version is buetooth enabled and has a downloadable app.
So no need to install the manual remote control module on the dash if you don't want to (I did anyway).
 
Remapping throttle 'response' seems like a bit of a con to me.
Most cars you buy have the throttle 'mapped' so that for example when you apply 10% throttle you get 40% demand at the engine, making small engines feel faster. Your chip probbaly increased that so it feels faster.
If you remapped it to a linear throttle i.e. 10% throttle = 10% response it would 'feel' slower on a less powerful car.
Personally for that money I would have had it mapped on a dyno.
Celtic tuning did my first zed - 23i - a few BHP more but the torque was really different, a lot smoother more progressive curve across the rev range. The car drove a lot better and in third gear on twistys it was great fun... I miss that car...
 
mcbutler said:
Personally for that money I would have had it mapped on a dyno.
Click to expand...

Here I am getting quoted between 400 and 500€ plus tax to map on a dyno! 200€ to 300€ just about gets a map e.g. something like celtic without a dyno.
 
mcbutler said:
Remapping throttle 'response' seems like a bit of a con to me.
Most cars you buy have the throttle 'mapped' so that for example when you apply 10% throttle you get 40% demand at the engine, making small engines feel faster. Your chip probbaly increased that so it feels faster.
If you remapped it to a linear throttle i.e. 10% throttle = 10% response it would 'feel' slower on a less powerful car.
Personally for that money I would have had it mapped on a dyno.
Celtic tuning did my first zed - 23i - a few BHP more but the torque was really different, a lot smoother more progressive curve across the rev range. The car drove a lot better and in third gear on twistys it was great fun... I miss that car...
Click to expand...

To each his own I suppose.
I don't need the extra horsepower because it can't be used on these roads and the HP gain is not significant. I would have appreciated the extra torque through the ranges.

One would have seen my previous thread/s where I complained about the E89 z4 being like a boat and difficulty going through busy roundabouts or taking off from a startup light.
All I can say is that this is what resolved my particular problem.
 
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