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Author Topic: Re-Mapping of your BMW R1200GS/GSA's ECU ......... Graphs added?  (Read 5599 times)

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Offline Goose

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Chaps - this is very much a "feeler" post.

If (a big if) I can convince the chaps from the UK to fly to Cape Town with their box of tricks.... to re-map your GS's ECU to what it SHOULD be......... in other words -

- NO MORE PINGING - correct 13.2 - 13.5:1 Air Fuel mixtures.
- No more damage to the engines..............
- HUGE increase in power, smoothness......

Basically the idea would be to undo what BMW have done to their ECU's to comply with the EU-3 Emission standards, which effectively strangles and throttles the bikes......

Would there be chaps interested in this?

Would or Could we look at sorting out accomodation & re-turn flight for the blokes....... perhaps even put together a bit of a trip in SA to sweeten the deal.......??

It would probably still cost us a few Zar's .. but I'd like to see if its worthwhile even proposing such a deal.


Here's some responses after re-mapping was done:

But, is it too good to be true?
Will my bike go POP on the Dyno or on the way home?
Will BMW read the ECU and tell me to go*%($£) if something goes wrong?

Anyway, mine is a 2008 GS12, that's done 24,000 miles.

Today I visited Geoff and suffered the mental torture at the prospect of it going on to the dyno and then the first run up to the redline, screaming away. I screamed inside.

The base line was 82bhp and 70 torques. Both curves zig zagged wildly with little smoothness. The fuel air ratio was roundabout 19, which is way off the ideal.

Geoff then wiped the standard map off and installed some black magic and started screaming to the redline again.

With his tinkering the end result was 104bhp and 83 torques.

The journey home was mainly M1, with a few proper miles at both ends.
Wow.
It's now soooo smoooth.
It feels fitter in everygear and shoots forward.
Roll ons are better.
There's virtually no delay in turning the throttle to feeling the acceleration.
I am impressed.

Going down the MPG was 49, coming back at a higher speed it was 52.

I've had a test on the Crosstourer and loved the engine but not the rest of it.

With my "new" engine, I have no reason to change bikes.


another...............


My remap went a whole lot better though. Short version: My bike is a 2010 R1200GS, DOHC. Standard exhaust, still with cat, standard air filter. First dyno run gave 80.41bhp at 6,117rpm, and 69.51 ft/lb 5,990rpm. I was a little surprised at that, because I always thought the engine was pretty good, and if I had had to guess, I would have said 90+bhp. Oh yeah, and mine was also running really lean, as in 17 to 19:1 air/fuel ratio up to 3,500rpm. It improved some after that, but still lean throughout the rev range.

After the remap, the first run gave 104.05bhp at 7,702rpm, and 79.86 ft/lb at 6,303 rpm. Geoff then had a little fettle, which gave the final result of 105.06bhp at 7,513 rpm, and 79.53 ft/lb at 6,075 rpm.

That's a 25bhp (or 31.25%) increase in horsepower, and 10ft/lb (or 14.42%) increase in torque, at the rear wheel. Geoff reckons that this would be something like 130bhp at the crank, by the way.

I didn't get a chance to find out what it felt like on the way home, as it was pouring down the whole way. But this afternoon it was dry.... the character of the bike feels the same, it's just like it's got a whole lot more 'pep', especially in the upper reaches of the rev range. The bike feels really fit and responsive, and cruising at speed feels far less stressed.



Just bear in mind that I have been trying to get the AF mixture mapping issue resolved since 2009 .... my issue with BMW has always been that the bikes are leaving the factory setup according to the European Union rules. WE DO NOT LIVE IN EUROPE!!  Our fuel is different, our riding conditions and temperatures are different. I was not interested in extra power or performance - the fight has always been to ensure my bike that was bought with my hard earned money will last longer than the 2 years the warranty covers!
This is and has always been about the Air/Fuel ratio's............ and here's a simple solution that would take the mixtures back to an acceptable level - THEN you can go and tune the bike and do all kinds of wonderful things to get more power & performance out of the bike!

Make sense........  :eek7:
« Last Edit: July 20, 2012, 09:40:06 pm by Goose »
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Offline arno

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One would think that the BMW dealers should be doing this ?
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Offline CandyMan_ZA

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One would think that the BMW dealers should be doing this ?

My point exactly  :dontknow:
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Offline Goose

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One would think that the BMW dealers should be doing this ?

My point exactly  :dontknow:

I agree.......... have a close look at BMW-SA's "False-Advertising" (which in my opinion is a Consumer Law issue) where we are sold a bike (2008/9 models) with 105Hp and (2010/11/12 models) 110Hp engines............. the offer of a additional Fuel-Map on their brochures is also nicely ignored?
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Offline punisher

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Offline CandyMan_ZA

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O0

Yup, South Africans in general are not prepared to complain, they just accept inferior services and inferior products, I have learnt over the years to not accept this, it is my right as a consumer to receive the services and products I expect from service providers. If I do not I complain. And those that know me know this fact about me. Guys, stand up for your rights, throw your toys if you are unhappy with a service or a product, don't wait for someone else to do it! Stand together and fight for your rights! :blob7:
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Offline ClimbingTurtle

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Yup - I am interested - my GSA is into it's first month out of warrantee, so I see no need to not do it?

Couple a questions - CT or JHb? I am in Jhb, getting to Ct needs to be factored in for my cost..... And secondly, when it goes to BMW for a service, will they not just re-set it back to their original inferioir settings? ???
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Offline Goose

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Yup - I am interested - my GSA is into it's first month out of warrantee, so I see no need to not do it?

Couple a questions - CT or JHb? I am in Jhb, getting to Ct needs to be factored in for my cost..... And secondly, when it goes to BMW for a service, will they not just re-set it back to their original inferioir settings? ???



Firstly - This is a direct reprogramming of the base settings of the ECU.. BMW service units cannot access or reset these settings......... ONLY the factory in Germany have the equipment to do it.
BMW dealership will not even be able to see the difference of the AF mapping.........  apparently they merely read the Fault codes (I will investigate further) as far as I know...?
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Online Takashi

Won't the new mapping be slightly different for CT and JHB.

Will it be worth the effort to go down to CT if you live in JHB?
« Last Edit: June 19, 2012, 01:29:16 pm by Takashi »
 

Offline ClimbingTurtle

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Takashi - A good point too - will have to do some research as well apparently!

Goose, makes sense being the base ECU program - and them reading the fault codes.... I actually maky consider one of those 911 reader modules to re-set the fault codes as well and give BMW a skip completely.... Not planning on selling he scoot any time soon.....
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Offline Sithe

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #10 on: June 19, 2012, 01:35:47 pm »
Hi Goose

Thanks for fighting the good fight  :thumleft:

Is this option better / cheaper then alternatives ... e.g. Wunderlich or Power Commander ?

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Offline Steen

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #11 on: June 19, 2012, 01:44:59 pm »
Mmmm..............could be an interesting thread this me thinks  :3some:

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Online Bundu

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #12 on: June 19, 2012, 01:52:09 pm »
has anybody tried the ECUnleashed option? http://www.motorcycleracegear.com.au/ecunleashed.html
Their local representative is:
All Star Motorcycles
859 Voortrekkers Road
Wonderboom, South Pretoria
Phone: 2712-3359989
Email: Richardgp@mweb.co.za
Fax: 0866998890


They do the ECU flash for the Super Tenere
« Last Edit: June 19, 2012, 01:57:48 pm by Bundu »
 

Offline Goose

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #13 on: June 19, 2012, 02:09:24 pm »
Won't the new mapping be slightly different for CT and JHB.

Will it be worth the effort to go down to CT if you live in JHB?

In my opinion - if the base settings for the mapping has been done - your ECU will then adjust for Ambient Temp/Air/Fuel/Engine Temp & Altitude. So 13.2/5 parts Air to 1 part fuel will be the base... to prevent lean mixtures, which is presently sitting at 14.7:1

Cost - at the moment would be around R3k - however this is where we need to negotiate if there's enough bikes to make the excercise worthwhile.

The part I like is that you don't have any external controllers to upset the applecart............ so if you ever take your bike for a service to a dealership - they will be none-the-wiser and Insurance can never reject a claim due to "performance enhancers/mode" - which is becoming a very big issue over here at the moment!

Imagine getting the performance from the bike without having to spend thousands on a new Zorst and all the other paraphanalia..... you'd have a bike that does what the original design was intended for!

I for one would LOVE BMW to void the warranty on my bike for remapping the ECU to get it working............ because the media will blow this crap sky-high...... and then they will have to answer to their clients!
« Last Edit: June 19, 2012, 02:13:47 pm by Goose »
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Offline Wheelman

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #14 on: June 19, 2012, 02:17:44 pm »
Goose, does this gentleman offer anything for the F800GS? Just to make it a bit more "Lewensgevaarlik" :biggrin:

If he did this would spread the potential base of customers and reduce the cost overall somewhat.
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Offline Goose

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #15 on: June 19, 2012, 02:48:39 pm »
Goose, does this gentleman offer anything for the F800GS? Just to make it a bit more "Lewensgevaarlik" :biggrin:

If he did this would spread the potential base of customers and reduce the cost overall somewhat.

will ask! 
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Offline Old fart

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #16 on: June 19, 2012, 02:58:55 pm »
I will be interested.
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Offline Alan

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #17 on: June 19, 2012, 05:48:49 pm »
Me too. Albeit an older 2007 SOHC, but I believe it suffers the same issues.

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Offline Marcr

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #18 on: June 19, 2012, 06:31:51 pm »
I wasn't aware of this at all. I'm very interested.

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Offline Triple Trompie

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Re: Re-Mapping of your BMW R1200GS/GSA's ECU ......... who would be keen?
« Reply #19 on: June 19, 2012, 07:54:54 pm »
I am very much interested!
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