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BMW-AF-XIED Control Unit
BMW-AF-XIED Control Unit

AF-XIED for BMW F800

Your Price: $214.90
Retail Price:$219.90
Your Savings:$5.00(2%)
Available from DK Custom Products (HD) or BeemerBoneYard (BMW)
Part Number:1200-4
  • Custom Wiring Harness Made for F800
  • Available for select Husqvarna models

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Harness Extension
AF-XIED® for BMW F800
as discussed on the ADVRIDER, BMWMOA and BMWSporttouring forums.
Dramatically REDUCE Surging
Improve Throttle Response
Stronger Mid-Range Roll-on
Lower Engine Temperature
Reduced Engine Ping
Nightrider is proud to introduce the AF-XIED for BMW F800 and Husqvarna to its product line. After extensive development and testing, we have adapted the most sophisticated version of our patented narrowband O2 sensor inline enrichment technology for use with the BMW Motronics 2.x series of ECM's used in the F800 motorcycles.
This technology allows the BMW AF-XIED to provide the most accurate control over narrow band O2 sensors achievable, providing quite accurate Lambda shifts from the emissions mandated 1.000 (14.7:1 AFR) to 0.939 (13.8:1) normally only seen by wide band sensor upgrades. Stable mixtures of Lambda 0.925 (13.6:1) have been seen in some bikes. All of this in a low-cost, simple, plug-n-play package that can be installed with a minimal of effort.
The BMW AF-XIED for F800 includes a custom designed plug-n-play harness adapters that allows the Rider to easily plug the AF-XIED into their bikes wiring harness with no additional modifications. Using OEM style connectors, installation has been simplified. This installation does not even require connecting a wire to the battery.

The BMW AF-XIED for F800 also fits select Husqvarna motorcycles. See the Husqvarna section of the catalog for current compatibility.
5 Stars
Fast results!
I learned about this unit on the ADVRider forums in early '16 shortly after buying a '15 F800GSA the year before. I thought it might not be necessary or that it might not live up to its promises. I attended the BMW 2-day off-road course in SC in May '16 and wound up on a 1200GS for the class. The difference in throttle control at low speed/RPM was so much better than my F800. Decided I would eventually need to give this a try. Finally pulled the trigger a month ago and got it installed a couple of weeks ago. Initial impressions are: - throttle response is much smoother across the entire range, i.e., predictable and consistent - engine is definitely running cooler than before with noticeably less heat on my shins - engine noise (stock exhaust) is a little deeper, more throaty - range doesn't seem to have been impacted at this point - taking off from a dead stop is far smoother than before I am only on the second tank of gas since installation, but differences were noticeable from the beginning. There have been a couple of occasions where it briefly seemed to run a little rough during mild acceleration, but I feel those were still learning scenarios. Last night, I got in about 40 miles through suburban areas up to 55 MPH and it was completely smooth the entire time. I will get in some off-road work in the next couple of weeks and add more info only if the results are different than what I'm seeing on pavement. I was a little nervous about dropping the money on this, but the feedback in the forums and here convinced me to go for it. I have to add my voice to those saying it's made a great positive difference in how my bike is running. Well done!
Did you find this helpful?  6 of 8 Found Helpful
Reviewed by:  from Fuquay-Varina. on 4/12/2017
5 Stars
It works as advertised. Fitting anything on the Nuda involves taking off the entire rear sub-frame and fuel tank and this is no different. I've e-mailed some more comprehensive instructions to Nightrider, so ask for a copy if you want to fit it yourself.
Did you find this helpful?  4 of 5 Found Helpful
Reviewed by:  from Canberra, Australia. on 4/26/2016
2 Stars
It failed
Mine failed on me. after some testing, it seems my harness is to blame (without afxied unit, i short circuited blue/white to blue and yellow to black cables but ECU continusously reported short term trims to 0). Without the harness on., everything is fine. Unfortunately i got no support from nightrider. Thgey dont reply back to any of my emails
Did you find this helpful?  3 of 3 Found Helpful
Reviewed by:  from Greece. on 11/14/2018
5 Stars
F800 GSA
The AF-XIED was very easy to install on my F800 Adventure. I installed it in under 10 minutes with no tools needed. After installation the bike runs smoother off of idle. This takes care of one of the biggest complaints about the F800.
Did you find this helpful?  3 of 3 Found Helpful
Reviewed by:  from Arizona. on 5/4/2017
5 Stars
Massively improved my throttle response on f700gs
Installed on my bike and it revs much quicker. Exhaust does sound deeper ie more fuel. Definitely recommend and would purchase for another bike. Great product!
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from Yadkinville . on 9/18/2017

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