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Old 10-04-2018, 05:20 PM
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About to order BFG KM3s: Thoughts?

Building my JK this weekend and I'm gonna be ordering new tires, 35s. I'm really interested in the new BF Goodrich KM3, but there aren't many reviews or info from people who've driven/wheeled them, especially not recently.

Anyone have any thoughts, praise, objections, skepticism on this tire?

I don't mind getting them without a lot of info since I trust BFG and someone has to try these tires!

I did call Fat Bob's in Utah and asked them what they thought. They said they like em and have put em on a few builds already, so that's the most reputable opinion I have so far.

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Old 10-04-2018, 06:05 PM   #2
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I have 35x12.5 KM3s and have about 4000 on road miles on them. On road at 34psi they are more planted than the stock KMs were. They are way better on wet pavement and it takes quite a bit of water to hydroplane (2” or more). I have 3.73 gears and used a pro cal to adjust for tire size. I live in Michigan and have had no issues with the way it drives. I have not had them off road yet but I am very confident they will shed mud easily. I am still curious to see how they do aired down on rocks.
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Old 10-04-2018, 06:23 PM   #3
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@mommymallcrawler I believe recently played on the rocks with someone who had gotten them. I think the general consensus was yeah they were tires, but nothing special and did not bulge well as the sidewalls were very stiff when aired down. Also quite a bit of damage to the lugs.

Probably aimed at the occasional weekend warrior. But more about the daily drive.
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Old 10-04-2018, 08:01 PM
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I have 35x12.5 KM3s and have about 4000 on road miles on them. On road at 34psi they are more planted than the stock KMs were. They are way better on wet pavement and it takes quite a bit of water to hydroplane (2” or more). I have 3.73 gears and used a pro cal to adjust for tire size. I live in Michigan and have had no issues with the way it drives. I have not had them off road yet but I am very confident they will shed mud easily. I am still curious to see how they do aired down on rocks.
They're big that's for sure. I am looking to off-road with them right away so that'll be important for me.

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@mommymallcrawler I believe recently played on the rocks with someone who had gotten them. I think the general consensus was yeah they were tires, but nothing special and did not bulge well as the sidewalls were very stiff when aired down. Also quite a bit of damage to the lugs.

Probably aimed at the occasional weekend warrior. But more about the daily drive.
I'd like to hear what that was like since I primarily wheel my Jeep. I can see the sidewall stiffness being that way considering BFG has been hyping up the sidewall strength. The fact that extra strong mud terrain tires seem "aimed at the weekend warrior" surprises me quite a bit though.... Thanks for the info, good to know.
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Old 10-04-2018, 08:23 PM   #5
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Loved my km2s. I do not doubt that bfg only improved with the km3. The 2s were great off road, snow, mud, rain. Not the best in ice, but what really is. They wore very well also, but given i drive over 25k a year and a lot in the winter, and far less off road than before, I knew they km2s would not withstand it long enough so went with th ko2s.
Sorry I have no real world km3 info for you, but I believe km2 info would be very similar given they are very similar still.

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Old 10-04-2018, 09:06 PM   #6
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The weekend warrior part was my opinion after reading her observations. There is nothing wrong with that. Far more jeeps are daily drivers that occasionally wheel than either ones that drive to or are trailered to a trail and back and that is all they do. It is 100% not a trailer queen tire that's for certain.
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Old 10-04-2018, 09:40 PM
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The weekend warrior part was my opinion after reading her observations. There is nothing wrong with that. Far more jeeps are daily drivers that occasionally wheel than either ones that drive to or are trailered to a trail and back and that is all they do. It is 100% not a trailer queen tire that's for certain.

All good! I do appreciate the info, just a surprising observation. If I end up getting them, which is likely, I'll end up throwing some observations in this or a new thread. Especially since I'll immediately be wheeling them, or whatever I get.
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Old 10-04-2018, 10:19 PM   #8
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Yeah I thought it was odd when a YouTube channel I follow BSF recovery got invited to the km3 rubicon hype run and had nothing to say about them in the video. Tons about the company and the event but little to nothing about the tire.
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Old 10-04-2018, 11:39 PM   #9
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Not on a Jeep, but 10k review:
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Old 10-05-2018, 12:02 AM   #10
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About to order BFG KM3s: Thoughts?

Hmmm, interesting comments. Would the Trail Grapplers be less of a “weekend warrior” tire? I have heard the sidewalls have less flex and they are harder to balance.

I was about to pull the trigger on the 37x12.5x17D KM3s that start shipping in about 2 to 3 weeks (unless there is another delay). I have KM2s 35s and thought they were pretty good off road and on.
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Old 10-05-2018, 12:52 AM   #11
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Just threw a set of 315/70-R17 KM3's on my JL. Had the original MT's and the KM2's on my XJ over the years and have always been happy with them both on and off road. I figured I'd take a chance on the KM3's despite the lack of reviews out there at this point. Unfortunately I only have about 500 street miles on them thus far so I can't provide you with any worthwhile feedback...
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Old 10-05-2018, 06:13 AM
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Yeah I thought it was odd when a YouTube channel I follow BSF recovery got invited to the km3 rubicon hype run and had nothing to say about them in the video. Tons about the company and the event but little to nothing about the tire.
I saw one or two videos like that as well. A lot of them I try to take in context that many of the reviews are from people who have the tires early.
Here's a guy I watch a lot who has a review of them, but he works with/for BFG so grain of salt.

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Just threw a set of 315/70-R17 KM3's on my JL. Had the original MT's and the KM2's on my XJ over the years and have always been happy with them both on and off road. I figured I'd take a chance on the KM3's despite the lack of reviews out there at this point. Unfortunately I only have about 500 street miles on them thus far so I can't provide you with any worthwhile feedback...
Well at least I know the size I want is out there! I'm feeling the same way where I don't mind taking a chance since I've always had good luck with BFG. But also, it would be a very expensive chance. Also, I suppose no feedback means no bad feedback in this case
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Old 10-05-2018, 06:22 AM   #13
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I have owned several sets on BFG tires and won't ever again. I have never had any lick with them and they wear out far sooner then they say they do. I run either Michelins, Falkens, Cooper or Goodyears, but never BFG. Just my experience!!!
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Old 10-05-2018, 07:20 AM   #14
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Originally Posted by Mattja99 View Post
I have 35x12.5 KM3s and have about 4000 on road miles on them. On road at 34psi they are more planted than the stock KMs were. They are way better on wet pavement and it takes quite a bit of water to hydroplane (2” or more). I have 3.73 gears and used a pro cal to adjust for tire size. I live in Michigan and have had no issues with the way it drives. I have not had them off road yet but I am very confident they will shed mud easily. I am still curious to see how they do aired down on rocks.
What do they measure aired up on the Jeep? I was hoping they are more true to size.
Thanks
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Old 10-05-2018, 07:28 AM   #15
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I have run Duratracs, KO2’s and KM2’s in the quest for the perfect balance of off road traction and on road manners. When I was shopping KM3’s were backorseed everywhere, and when I want tires I want them now. Long story short after a lot of research, I put Firestone Destination M/T2’s on my JL, and even though they aren’t the first brand you think of for Jeep, they are every bit as good as the BFG products. I ended up using a coupon for 25% off a $1000 or greater purchase, so scored them for just over $200 a tire. Tire Rack does a nice job of compiling review scores and the Firestone’s were rated higher than the KM2’s. More info here if interested or you want to see how they look:

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Old 10-05-2018, 09:45 AM   #16
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Maybe they will wear out quickly (although not my experience with KM2s), but damn they look sexy.
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Old 10-05-2018, 09:50 AM   #17
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Wonder if these new BFG km 3 tires are still running small like their predecessors like to see some mounted under the Jeep numbers from you guys specifically the 35 and 37 range. My 37 km2 measured out to 35.50 under my 2 door.
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Old 10-05-2018, 10:26 AM
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Wonder if these new BFG km 3 tires are still running small like their predecessors like to see some mounted under the Jeep numbers from you guys specifically the 35 and 37 range. My 37 km2 measured out to 35.50 under my 2 door.
I can let you know since I ordered mine in 315/70R17 which is listed at like 34.4in which is close to 35. The 35/12.5R17 is listed as 34.5 so maybe a .5in smaller for 35s, but I don't think that sizing is out of the ordinary. Dunno.
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Old 10-05-2018, 11:00 AM   #19
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Wonder if these new BFG km 3 tires are still running small like their predecessors like to see some mounted under the Jeep numbers from you guys specifically the 35 and 37 range. My 37 km2 measured out to 35.50 under my 2 door.
They run small just like the KM2. I have 35x12.50x17s. On the Jeep they are around 34”
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Old 10-05-2018, 11:13 AM   #20
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I can let you know since I ordered mine in 315/70R17 which is listed at like 34.4in which is close to 35. The 35/12.5R17 is listed as 34.5 so maybe a .5in smaller for 35s, but I don't think that sizing is out of the ordinary. Dunno.
Right now I have the mastercraft courser mxt in 315/70/17 and they measured out under my jeep at exactly 33" on a 17x9 rim. I know this brand runs small as well. Thinking of stepping up to 37's in the same tire. Have flat fenders and those 315's look really small in the wells
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Old 10-05-2018, 11:14 AM   #21
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They run small just like the KM2. I have 35x12.50x17s. On the Jeep they are around 34”
Good to know. Thank you good sir
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Old 10-05-2018, 11:17 AM   #22
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They run small just like the KM2. I have 35x12.50x17s. On the Jeep they are around 34”
My 35" KM2 are set at 33-3/4" in Procal when new to get the speedo correct. While I understand some variation, 1-1/4" is too much to be called a 35". Why don't they just call them 34"s? (+/- 1/2")
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Old 10-05-2018, 04:37 PM   #23
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Went down to Discount Tire this morning and ordered the KM3 37x12.5x17 D range. I have been waiting for these and they literally were just released this week. They are shipping directly from Michelin in Illinois and should arrive by the end of next week.
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Old 10-05-2018, 06:24 PM   #24
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I second the destination mt2s. Definitely worth a look. I have about 3k miles on mine and I have to say that they are the best off-road tire I've ever ran. They are super quiet on the road with hardly any of that roaring noise commonly heard with mud tires and I haven't gotten stuck with them yet. The ride is very nice and they look pretty cool too. I've ran BFGs before and I wasn't impressed. They weren't bad...but they weren't great either.
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Old 10-05-2018, 09:30 PM   #25
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I wanted BFGs when I got the lift but due to the backorder went with Toyo Open Country M/T. Due to work, family, and weather they have not been off the pavement so I have no real review other than they are good on the street so far.
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Old 10-13-2018, 05:40 PM   #26
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My 5 beautiful new KM3 37x12.5x17D just arrived at the Discount Tire. Going to be several more weeks before the rest of my mods are done and tires put on.

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Old 10-22-2018, 09:25 PM   #27
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My 5 beautiful new KM3 37x12.5x17D just arrived at the Discount Tire. Going to be several more weeks before the rest of my mods are done and tires put on.

What did these end up measuring once installed, and how wide are the rims please? Thank You.
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Old 10-22-2018, 09:31 PM   #28
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What did these end up measuring once installed, and how wide are the rims please? Thank You.

The wheels are KMC Holeshot 17x9. It will be another 2 weeks before they are mounted on the new axles so I don’t know yet what the actual rolling diameter is.
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Old 10-23-2018, 10:58 AM   #29
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You can def see the design difference on the shoulder of the KM3's. Much more rounded with cups at the 45 degree section. In theory a better design than the KM2 but it does mean less contact patch with the flat road.

I have KO2's (stock wheels with 265/70/17 31.5" and AEV wheels with 285/75/17 34") and wear has been great thus far. I have about 27k miles on the 265's and 5k on the 285's. I drove the 265's 2,600 miles in total form Texas to Yellowstone and around the park and back over two months period of time. Saw snow, sleet, hail, rain, 80 degree temps, mud, gravel, 6" rocks. KO2's simply were awesome.

To be a bit more of a cheerleader... I have only rotated the 265's once in 25k miles. Absolutely terrific wear evenly across all four running tires.
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Old 10-23-2018, 11:07 AM   #30
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There is now available a C range 37x12.50R17. Unfortunately, I didn't have that part number when I ordered them. There is a set of load range D 37x12.5R17's in my garage right now waiting on my beadlock rings to show up. The review MommyMallCrawler did were based on a set of Load Range E's and I would expect those to be really stiff.

Love the looks of them compared to my current KM2's.


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