S Drive 35is Engine remap?

B

Baggy3108

New member
Has anyone had experience of re-mapping the 35is? I was going to use AceRemaps of Worcester. Basically to take it from 340 to 400BHP and to 580 torque.

Many thanks
Baggy3108
 

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35is is one I want to jump to later down the line when I can afford it. The main reason is for that power boost!
So I'm following this to see how you get on....
 
I just want a bit extra on Track Days! All I want is a trustworthy company that will give a great service. Keep watching :thumbsup:
 
Your car looks fantastic in that colour - oh, and welcome to the forum! :thumbsup:

Sorry I can't help with your question, but I've read some positive reviews on here by people who've had a re-map by Celtic Tuning - who will come to you to do it.
 
Anyone know what sort of performance stats a Cetic stage 1 would produce? They don't give any figures I can see on their website.
 
https://www.celtictuning.co.uk/services/performance-stats/bmw/z4-e89-2009-2016/petrol/35is-n54-335-bhp-2009-ECU-remap-chiptuning/stage-1

Up to 395 bhp ...others have had dyno runs less than that but still happy...seems that they are running fairly well to start with...quite how the over boost function affects the dyno figures not sure...
 
Pbondar said:
quite how the over boost function affects the dyno figures not sure...
Click to expand...

...yes, interesting point! IIRC the overboost is only activated for a few seconds when you change up a gear from a wide open throttle in the previous gear. Usually they do the dyno run from low rpm in 4th gear so probably not right scenario to trigger the overboost.

I'm not sure why some tuners quote more power for a 35is remap compared to a 35i remap. I would expect them to be the same post-remap. I'd like to think a 35i remapped could run the same overboost function as the 35is...
 
ph001 said:
Pbondar said:
quite how the over boost function affects the dyno figures not sure...
Click to expand...

...yes, interesting point! IIRC the overboost is only activated for a few seconds when you change up a gear from a wide open throttle in the previous gear. Usually they do the dyno run from low rpm in 4th gear so probably not right scenario to trigger the overboost.

I'm not sure why some tuners quote more power for a 35is remap compared to a 35i remap. I would expect them to be the same post-remap. I'd like to think a 35i remapped could run the same overboost function as the 35is...
Click to expand...

The 35is has a different, louder exhaust-maybe that helps give a little more power if it creates less back pressure? :?
Rob
 
As I'm old school I meant performance stats like 0-60, quarter mile etc. Bhp doesn't mean much to me. Oh, and fuel consumption.
 
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