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Old 05-14-2013, 07:22 PM   #241
The Other JC
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Originally Posted by afmeyer View Post
Has anyone put the temp sensor for the boosterplug in the airbox itself? Seems like a hole with a rubber grommet and something to hold it in place on the inside would do it.
Not quite in the airbox, but at the airbox end of the snorkel. Drilled a hole and glued the sensor in place inside with sealant, and sealed the entry point with same.

This was done as part of the process to try and discover an infernal rattle that plagued my bike for over a year. I thought maybe the sensor was rattling when loosely hanging in the snorkel.

The rattle turned out to be the spotlight housing!!
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Old 05-14-2013, 07:38 PM   #242
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I forgot i had a Booster Plug from my F650GS twin sitting in the garage so i threw it on the 2013 GS Raylle Edition. Did a fast install and took it out for a quick ride. Seems like its doing its job. I forget if im going to get hit with a big milage penalty for using this, on my F650GS twin i always got around 50MPG...this GS is still breaking in but if i recall it was not a big hit. I guess i will find out. Thanks for updating this post , my booster plug is now in action again.
2013 BMW R1200GS Rallye Edition
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Old 05-14-2013, 08:40 PM   #243
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Originally Posted by hillbillypolack View Post
^ Nope, that's how you do it. I find the electrical 'pigtail' is about an inch too short. It needs more room to let the 'module' sit up and into the cavity forward of the airbox.

The BP in my experience worked better on hexheads. On the '07 it made a noticeable difference in parking lot maneuvers and very low first gear transitions. On the '12 camhead, I think the BP is wrestling with the bike's computer and I honestly don't feel any change. In fact, I think the OEM fueling is better and may switch it back.
I agree big difference on the hexhead not so much if at all on cam head. Also great on the 800s
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Old 05-19-2013, 12:58 AM   #244
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I've had the Booster Plug on my 08 GS for about 2 years now and 25k km and I can only say good things about it, in particular as other said, when I have a pillion on, less clutch work to get started. In general you can actually feel a better throttle response.
If you are still not sure run with it for a few months (miles/km) then take it off, the difference will be ever more clear.

To those who report no improvement I would say this is a small/cheap-ish modification that is just enriching an otherwise way too lean air-fuel mixture.

It won't out a Panigale's engine in your GS, just understand the theory behind it and what that can actually do to your ride.

Once you have the right expectation you can only appreciate it.
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Old 05-30-2013, 02:48 PM   #245
Joined: Aug 2009
Location: S.E. PA
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Received Booster plug today at noon...installed and rolling on my 2012 GS by 12:30...brief 25 mile ride...smoother deceleration backfireing/barking virtually gone...softer throttle responce is best way to describe throttle action??..not as abrupt perhaps..more gradual...500 to 600 mile trip this weekend..will post results...on standard GS very easy install..30 minutes and tied sensor up by headstock.
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Old 06-01-2013, 07:29 AM   #246
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Originally Posted by roger 04 rt View Post
I put mine tie wrapped to the snorkle. What you describe would be one step better.
IMO, that temp sensor is for ambient temp IIRC. The actual IAT sensor itself is in the airbox so wouldn't putting the "comparative" sensor in the same airflow going into the airbox be kind of eliminating the comparative effect???? Putting it in the airflow of the actual ambient air would be, IMO what you would strive for. Probably doesn't matter in any case unless you put it down wind of a heat source.
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Old 06-01-2013, 07:53 AM   #247
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After reading all of this I ordered one. Thanks all.
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Old 06-08-2013, 03:49 AM   #248
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Update..installed in 2012 r1200gs last week...600 mile trip last weekend....connected Boosterplug for out going trip and disconnected for return journey...fuel mileage no significant difference...first gear parking lot stuff easier/smoother...smoother throttle/on throttle smoother transition...hard to describe but acceleration is softer and less throtle into a hairpin turn- back on throttle exiting smoother/safer perhaps...less backfiring/popping on hard deceleration..only negative for me seems to be softer acceleration...positives outweigh the negatives ..will probably leave it in...will update after a few weeks of use around town.
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Old 06-08-2013, 05:07 AM   #249
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Originally Posted by hammick View Post
Have your heard of anyone trying it on a K1600GT?
I have a full Remus system on my K1600 with the booster plug. I noticed an immediate increase in the mid range torque. My average gas mileage is 40mpg with a high of 55mpg when riding in a pack. I think that I will do the same package on my R1200GS LC.
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Old 06-10-2013, 06:07 AM   #250
mike cummins
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booster plug

i noticed just one thing. My notchy throttle was now bare able. The hp2 was a pain in the ass when going slow, this gizmo seems to have settle the throttle down a bit so its not stop go anymore.
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Old 06-10-2013, 07:08 AM   #251
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The Booster Plug helps compensate for the ultra lean settings that are required to meet some of the emission standards in some parts of the country.
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Old 06-10-2013, 09:50 AM   #252
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I've had the Booster Plug (or Accelerator Plug, same thing) in mine for 1.5 years now. No question it smooths out the engine at lower revs.

NOT installing one is a mistake.
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Old 06-10-2013, 12:33 PM   #253
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They work. I look at it as the fuel injection version of turning your idle circuit screws out a half turn on a carbie bike.
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Old 06-10-2013, 09:06 PM   #254
Joined: May 2013
Location: Atlanta
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Just put mine on today, and it does just what it says... I really love the smoother transition from idle to off idle. Over the weekend I was in a parking lot doing some slow speed figure 8's getting used to this bike, and felt that if the throttle response was smoother, I would have to do much less clutch feathering at slow speed. It is way better now! Much less jerky.
Idle seems smoother too.

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2005 R1200GS
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Old 06-19-2013, 05:18 AM   #255
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Thumb Booster!

Just installed my BP last evening and so far my 09GS feels MUCH better than before. Low RPM torque seems increased. Steady state low speed riding seems smoother. More saddle time this weekend will tell more.
So far I LIKE it!
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