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Old 01-11-2011, 01:18 PM   #16
Animo
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Quote:
Originally Posted by switch View Post

97+octane booster isn't a bit of overkill? :)
Yes, i would say so too, but I bet you the last tank of gas read the same "Super Unleaded 97oct"

My F650gsT works well with our 92oct here in Mexico, and not so well with the 87octane. My S10 that requires 97oct or higher knocks like crazy depending on the gas station/area I am in with 92oct. All the pumps read " 87octane or 92octane." but I bet you it is more in the grade of 81oct 87oct, or lower..... It is always a good thing to bring along a small can of octane in case you hear the knockin' after a fill up, the pumps do shown octane rating but do subtract -5, sometimes -10 for a more accurate reading



You will find BMW in Lima, not close, but not terribly far just in case (hopefully NOT the case)

The only info I could find for you:

GILDEMEISTER PERU, primarily a car sales Company but now carry BMW Motorrad.

With a map:

http://www.creditosperu.com.pe/pp-automotores-gildemeister-peru-s-a.php

One of the many articles online:

http://www.peru.com/economiayfinanzas/portada20100416/91805/Se-comercializan-por-primera-vez-motos-de-lujo-BMW-en-Peru-

http://biznews.pe/noticias-empresariales-nacionales/motos-lujo-bmw-ya-comercializan-en-el-peru

Automotores Gildemeister Perú S.A. Javier Prado este 5535 La Molina , Lima
+511 617-9750
ddelapiedra@agildemeister.com.pe
http://www.bmw-motorrad.com.pe


Hopefully you are up and running already and will not be needing the above
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Animo screwed with this post 01-11-2011 at 01:39 PM
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Old 01-11-2011, 03:56 PM   #17
betitolara OP
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Thanks everyone for the help/input/advice.

We drained the tanks. They are now both filled with 98 Repsol gas and each one has injector cleaner inside. We took them for a spin (without any luggage) and they feel better but not 100%. More power, less stalling.... so we are going in the right direction. With a few more tanks of good gas hopefully we'll be right as rain.


For the record both the bikes were programmed for lower octane fuel before leave for the trip. But as lots of people have pointed out you can never be too sure what you are getting from the pump.
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Old 01-11-2011, 04:10 PM   #18
BlackBeast
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Good to hear that things are sorting themselves out. Hope to see you guys soon.
Daryll
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Old 01-11-2011, 04:12 PM   #19
yns
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Good to hear that. Keep rockin'!!
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Old 01-11-2011, 06:38 PM   #20
Ducksbane
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I have noticed that if you change something that affects the engine management it takes it about a tank of fuel before it sorts it out, so perhaps it will get better after the first full tank.
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Old 01-12-2011, 08:37 PM   #21
Mollygrubber
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A friend of ours (and Daryl & Angie's) just had a horrendous experience with REALLY bad gas in Bolivia and Argentina. I mean REALLY bad - had to disassemble the entire fuel system and clean it really well more than once, so make sure you're filtering it as best as you can before it goes in the tanks...

Good luck, great ride report! Subscribed!
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Old 01-12-2011, 09:00 PM   #22
EnderTheX
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Quote:
Originally Posted by Mollygrubber View Post
A friend of ours (and Daryl & Angie's) just had a horrendous experience with REALLY bad gas in Bolivia and Argentina. I mean REALLY bad - had to disassemble the entire fuel system and clean it really well more than once, so make sure you're filtering it as best as you can before it goes in the tanks...

Good luck, great ride report! Subscribed!

Eewww... sounds bad. Does filtering it through a dirty sock count?
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Old 01-13-2011, 07:25 AM   #23
Mollygrubber
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Eewww... sounds bad. Does filtering it through a dirty sock count?
Actually, if that's all I had I'd definitely do it! Anything is better than nothing...
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Old 01-17-2011, 03:57 PM   #24
betitolara OP
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Cry still having issues

We've being incomunicados for the last few days riding the Peruvian Sierra (highlands). The bikes still run like crap. We drained the tanks and used 98 octane gas + injector cleaner. They improved for a bit but they're still underpowered in low revs, sound terrible and stall when idling or in 1st gear. We're now in Huaraz and contemplating going down to Lima (not our initial plan of crossing Peru through the Sierra mountains). The other option is to just give'er till Santiago de Chile and get the bikes looked at there. Tomorrow I'll to clean or get new sparkplugs and see if that changes our luck. Thanks to all for your help and interest! Now back to updating our RR. Cheers, Alberto.
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Old 01-17-2011, 06:21 PM   #25
JRWooden
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Alberto:

Sorry to hear of your continued troubles ....

Did the gas that you drained out look bad? off-color / water / debris?
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Old 01-17-2011, 10:13 PM   #26
Maniac Mechanic
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Talking

Just to be clear I know absolutely nothing about BMW's.

Having said that are there any temperature or pressure sensor's in the airbox/ air intake circuit that could be covered with residue from detonation?

Could cause inaccurate sensor readings throwing everything off.
If so removing them and cleaning them might be all that's necessary. Would be dirty from the bad fuel.

Unlikely to happen to both bikes admittedly, but they have driven the exact same route and mileage from day one so it is possible if not coincidental.

That being said putting some miles on them with good fuel so the ECM can reset timing makes alot of sense to me as well.

Just another idea from the peanut gallery.
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Old 01-18-2011, 10:14 AM   #27
betitolara OP
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Quote:
Originally Posted by JRWooden View Post
Alberto:
Sorry to hear of your continued troubles ....
Did the gas that you drained out look bad? off-color / water / debris?
The gas we drained didn't look or smell particularly weird or dirty. We're heading to Lima to get the bikes looked at the new BMW dealer there. I spoke to them this morning on the phone and they confirmed that they have the trained mechanics and instruments to diagnose the problem. We thought we could wait till Santiago de Chile but we'd be taking unnecessary risks of damaging the engines. Plus Peru is a LOT cheaper than Chile

Off we go to Lima tomorrow and see if we find a solution to our troubles
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Old 01-18-2011, 07:04 PM   #28
Baiazid
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Quote:
Originally Posted by betitolara View Post
The 'metal' pounding noise coming from the bottom part of the engines, where the letters 'BMW' are (bellow the twin cylinders) on the left side (chain and sprockets side).

Cheers guys,
Alberto.
That noise is called: pinging noise.

I had it on my 12GSA (only on heavy loads) but in my case the petrol was fine and the culprit was: some antidetonation sensors (as dealership told me).
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Old 01-18-2011, 07:47 PM   #29
JRWooden
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I do not think the "twins" are equipted with the antidetonation sensors....
those are reserved for the big boys...
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Old 01-18-2011, 07:52 PM   #30
Baiazid
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Quote:
Originally Posted by JRWooden View Post
I do not think the "twins" are equipted with the antidetonation sensors....
those are reserved for the big boys...
You are right, just checked the web:

Quote:
Unlike the R1200GS there’s no knock sensor, so running low-test fuel without the change is risky.
But I am 100% sure there are maps available for F800GS (for low octane...)
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