The results are in

[Speedy1959]

Hi all...

Totally knackered after riding for 460 miles in total today..
310 of them to see Geoff at Hilltop and the rest on a ride out with mates when I got back.. I think I may have overdone it !!

As you may remember I had booked my bike in at Hilltop to be breathed upon.
I have the before and after figures for you..
Remember this is with a decat REMUS header BUT standard silencer!

Figures are "At the wheel"..

BEFORE:
80.9bhp @ 7420 rpm
60.4 ft/lb @ 5885rpm

AFTER:
104bhp @ 7600rpm
84.3 ft/lb @ 5500rpm

Pretty good results I think you would agree.
I seem to recall reading somewhere that after a remap it takes several start ups for the ECU to fully register its new settings and apply them..
Any way it did seem to get better after 3 or 4 starts during the day...
On the way home there is a certain country lane I know very well that is one of the few places its possible to pass a car. This old dear was getting annoying in front.. I was hovering in 3rd gear waiting to pounce at about 4000rpm.. I went for it and as I passed the car my bike did a bloody power wheelie in 3rd!!
I was so startled i backed off a bit too suddenly and it slammed down..It definitely wheelied!!

On the down side I would say it vibrates a bit more at motorway speeds..
Fuel consumption seems the same as it was.. Over todays ride of 460 miles it has averaged 54mpg.

 

[Deleted account 200502001]

Figures are "At the rear wheel"..

BEFORE:
80.9bhp @ 7420 rpm
60.4 ft/lb @ 5885rpm

AFTER:
104bhp @ 7600rpm
84.3 ft/lb @ 5500rpm

What were the figures at the front wheel?

I seem to recall Geoff telling me to allow the ignition dash display to run its cycle before starting the engine.

 

[Speedy1959]

What were the figures at the front wheel?

I seem to recall Geoff telling me to allow the ignition dash display to run its cycle before starting the engine.

Yes he told me that as well.

 

[comberjohn]

Increase in vibration may be down to the de cat headers rather than the re map. That's what I found when I went down that road.
Mine is actually smoother with the standard system and AF-XiED's.
Ref the re map itself, it's a pity that BMW weren't able to sell them like that as standard.

 

[Speedy1959]

Increase in vibration may be down to the de cat headers rather than the re map. That's what I found when I went down that road.
Mine is actually smoother with the standard system and AF-XiED's.
Ref the re map itself, it's a pity that BMW weren't able to sell them like that as standard.

Thanks john for that..
If it comes to it I shall put the standard headers back on (Geoff already told me i could)..
Funny thing is my Brother said exactly what you said re the decat headers causing more vibration!
Its not a massive job to switch back. I shall give these a fair chance for a week and then see what I think.

 

[oldnfat]

Having had two remaps from Hilltop and been pleased with the results, I say the following with some caution. There is no way a remap for a naturally aspirated engine will deliver a 25%+ increase in power and 30% plus increase in torque on a true like for like basis...it is just impossible for a relatively well sorts engine.

I don't know why Geoff insists on producing these graphs as the improvement in ride ability and performance is good enough.





INCOMING

 

[Bendy toy]

I noticed no difference in vibes when I fitted the Akraprovic Ti system. Brother's bike has a Remus header and Hexacone system and is definitely smoother than mine ever was.

 

[Speedy1959]

So the graphs are wrong?
Is it a sort of cheat via his PC?
Who knows..
Anyway those ARE the figures I have..
The bike has not wheelied in 3rd gear before and yet yesterday it did! (Not that I want it to do that)..

 

[DrFarkoff]

Old n fat it's not a relatively sorted fueling "hence" why it has become very lucrative for Geoff

What he does is optimise a generic schite map which is governed by eurocratic legislation and provide Nirvana in fueling allowing the motor to work " properly"

 

[Deleted account 211025001]

^^^^^^^^This^^^^^^^^^^

Andres

 

[BlueBird]

Having had two remaps from Hilltop and been pleased with the results, I say the following with some caution. There is no way a remap for a naturally aspirated engine will deliver a 25%+ increase in power and 30% plus increase in torque on a true like for like basis...it is just impossible for a relatively well sorts engine.

I don't know why Geoff insists on producing these graphs as the improvement in ride ability and performance is good enough.





INCOMING

Oh Dear here we go again ,

As for power wheelie in 3rd, you sure it wasnt a crest in the road or summat.

Yes I have btw

 

[Wreford Miles]

Hexhead GS's, even Hilltop'd ones, don't power wheelie in 3rd...

They might when you snap the throttle from closing to open, they might when aided by a crest but they don't because their flow of power starts to be greater than the weight of the bike.

The reasons to get a Hilltop...

1. Great fueling for low speed low gear work
2. Good for your bike, especially important if it's a keeper
3. Gets rid of that motorway speed surging
4. They do have more grunt
5.
6.
7.
8.
9.
10. You get a graph that initially makes you feel good about spending £350 (before it sinks in that reasons 1,2,3&4 are more important) and the graph remains usefull for car park how fast does it go mister chats

 

[Roger 04 RT]

Having had two remaps from Hilltop and been pleased with the results, I say the following with some caution. There is no way a remap for a naturally aspirated engine will deliver a 25%+ increase in power and 30% plus increase in torque on a true like for like basis...it is just impossible for a relatively well sorts engine.

I don't know why Geoff insists on producing these graphs as the improvement in ride ability and performance is good enough.

I agree with you but ere's what I see:

BMW specifications for 2009 R1200GS
Power: 103.25 HP (75.4 kW)) @ 7500 RPM
Torque: 115.00 Nm (11.7 kgf-m or 84.8 ft.lbs) @ 5750 RPM

Sspeed's Results
BEFORE:
80.9bhp @ 7420 rpm
60.4 ft/lb @ 5885rpm

AFTER:
104bhp @ 7600rpm
84.3 ft/lb @ 5500rpm

So this suggests that the Decat and Remus reduced the power and torque and that hilltop brought it back to normal.

So the graphs are wrong?
Is it a sort of cheat via his PC?
Who knows..
Anyway those ARE the figures I have..
The bike has not wheelied in 3rd gear before and yet yesterday it did! (Not that I want it to do that)..

If you read through the following analysis of an R1200 Dyno run, there are lots of ways that errors enter the tests. The initial conditions just prior to the pull matter a great deal. http://advrider.com/index.php?threa...-af-xied-for-bmw.749080/page-33#post-23436774.

 

[oldnfat]

Hexhead GS's, even Hilltop'd ones, don't power wheelie in 3rd...

They might when you snap the throttle from closing to open, they might when aided by a crest but they don't because their flow of power starts to be greater than the weight of the bike.

The reasons to get a Hilltop...

1. Great fueling for low speed low gear work
2. Good for your bike, especially important if it's a keeper
3. Gets rid of that motorway speed surging
4. They do have more grunt
5.
6.
7.
8.
9.
10. You get a graph that initially makes you feel good about spending £350 (before it sinks in that reasons 1,2,3&4 are more important) and the graph remains usefull for car park how fast does it go mister chats

....and that's my point. I have had two bikes remapped by Geoff and would go back for a 3rd as reasons 1-4 are worth it IMO. Grunt comes in lower in the range and seem more broadly spread with smoother on/off throttle responses making those tight corners a joy and feathering the clutch a thing of the past.

I realise I have re-opened THE can of worms so my apologies to the entire forum. In my defence I did post this after about 6 pints of larger which is my max these days before losing all sense of reason.

I will now retire gracefully on this subject and hopefully will be forgiven.

 

[Roger 04 RT]

Even on 6 pints of lager, your reasoning seems fine. What reopened the box of snakes were the 25% HP and torque gain and power wheelies. And you said it, Hilltop has a good base of satisfied customers. Why not leave it at that.

 

[RedRick Esq.]

If it helps the XR wheelies in 3rd

 

[Deleted account 211025001]

If it helps the XR wheelies in 3rd

That fugging thing wheelies in every gear

Andres

 

[Bendy toy]

As I see it the AF-XIED allows the OEM map to use correct fuelling mixtures at all points. It does not fundamentally change the map.

A 25% increase suggests BMW electronically detuned the engine. The remap restored the engine's genuine capabilities in ways a pure fuel mixture correction can't match.

VW do the same with their TDI diesels - TDI 90 remaps to 110bhp. The 110 to 130, etc.

 

[Deleted account 200502001]

If it helps the XR wheelies in 3rd, or so I'm told

I might try and take one out when my GSA goes in for its new fuel strip.

 

[RedRick Esq.]

That fugging thing wheelies in every gear

Andres

I should have put it in Dynamic Pro for you then it just becomes scary !

I thought your orange thing had the potential to be a bit "front end light"