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Customer reviews for BFGoodrich Mud-Terrain T/A KM3 - 35x12.50R17/E 121Q Tire for
BFGoodrich Mud-Terrain T/A KM3 - 35x12.50R17/E 121Q Tire
3.8 out of 5 stars
stars
110 ratings110 reviews
  1. 5 stars59% (65)
  2. 4 stars7% (8)
  3. 3 stars7% (8)
  4. 2 stars9% (10)
  5. 1 star17% (19)
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Showing 31-40 of 110 reviews
Feb 18, 2022
Offroad
5 out of 5 stars review

Confidentiality Sure!

I am the author of the previously titled Not Sure Yet review. We’ll I am pleased to tell everyone that after the remaining 3 tires were swapped and road force balanced, I am riding on a dream. Unfortunately I guess I got a bad lot of tires that seem to of had high spots on them. What those replace balanced it’s so nice to ride on new BFG‘s that are smooth, look great, perform great ad for a mud tire qiet on the road.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
Apr 6, 2023
StaccLight
5 out of 5 stars review

Excellent Tire!

37×13.50s are amazing on and off road. I love the performance off road, my jeep grips better than many others. I run with vehicles that have lockers and still keep up unless it's a clearance issue. They are well mannered on the road as well. Wish I could get white letters in 37+ sizes

Review from bfgoodrichtires.com
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Jul 14, 2025
Greg
1 out of 5 stars review

Won't balance

I purchased an F-150 Black-ops truck that came with 35x12.5x20 KM3's on it from the Tuscanny build of this truck. I purchased the truck with just over 4000 miles on it and part of the deal was to replace the front 2 tires, since that, I've put 3000 more miles on the truck and had all 4 of the tires balanced 4 times, including 2 shops with road force balance machines. I'm just done with these tires.

Review from bfgoodrichtires.com
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Aug 13, 2023
Zakhar
1 out of 5 stars review

Quality????

Before these km3s, I had 33” km2. I drove them about 30,000 miles and they were still in normal condition. I drive my rig everywhere, snow, rocks, mountains, swamps and sand. On my old km2 , there was uniform tread wear everywhere . But the time came and I decided to switch to 35“ wheels. I've been choosing which wheels to put on for a long time. I really liked the km2, but they are no longer being released and I decided to try the new km3. I assumed that this is the same as km2, but even better. As a result, I bought a kit and installed new tires after I made the bodilift. I drove on new tires for about 3-4 months. Everything is fine on the highway, they are not very noisy. It also seemed to me that the new tires are already old km2, although both have a width of 12.50. Now I live in California and apart from stones and sand, I haven't tried anything. These tires drive normally on the rocks. But as soon as you get stuck in the sand and even after a slight slip of the wheels, the rubber begins to crumble. A very large wear of rubber begins and right before your eyes you can see that the tread is getting smaller. Also, the tread begins to fall off. I don't understand what kind of rubber quality it is. I used to do the same with km2 and this did not happen. I don't have a very powerful truck and the smoke from the wheels is not coming at this moment. I was just trying to drive through the sand uphill. But the way these tires are falling apart stops me. And I do not know how long these tires will last me. Maybe another 3-4 expeditions?!? That's terrible. I will have to buy another set of tires soon, but it will be a different brand.

Review from bfgoodrichtires.com
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reply from Consumer Care BFG US

Zakhar, we are sorry to read of this situation. The first step is for us to obtain an inspection of the tires from an authorized BFGoodrich retailer. A member of our team will be in touch to work with you and your dealer on initiating a warranty claim.

Jul 9, 2023
Thom64
4 out of 5 stars review

Feels Quite a Bit Different from the KM2s

I used to have K2s before I got my 285X70R17 KM3s. Here are some differenced I have observed: The KM's are noticeable wider than the KM2s. I did not measure the width of my KM2s, but I had to cut the stops on the tailgate for the spare tire on my Jeep JK by about 3/8" for the tire to fit onto the spare tire holder. So I would say the KM3s I have are about 3/4" wider on the sidewall than the same size KM2s I replaced. This is not a complaint - I just thought I would share my observation. The KM3s feel "squishy" compared to the KM2s. I am running them at the same 37 psi as the KM2s. The "squishy" feeling is very noticeable on turns and the Jeep rolls much more than it used to. The steering response also seems to be diminished. When I make a sharp turn, there is a very brief, but noticeable delay in the vehicle responding, and when it does, it feels like it is grabs. The KM3s have a different noise than the KM2s. The KM3s have a higher pitched hum than the KM2s. This higher pitched hum is mildly annoying. I have read that the tires get noisier over time. Hopefully, the noise will not increase too much. I realize these tires are more intended for off-road use as opposed to highway or city driving. I have not tried them on the trail yet.

Review from bfgoodrichtires.com
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Oct 1, 2022
Gunit
1 out of 5 stars review

Super weak sidewalls

Bought these tires a couple months ago for my polaris utv this is the second trip on them (not even close to a 1000 miles) and two of them got sidewall punctures already i will never recommend these tires to anyone nor will i be purchasing them again im going back to the maxxis carnivores that i had!!

Review from bfgoodrichtires.com
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reply from Consumer Care BFG US

Gunit, Thanks for writing a review. Sorry your experience with the KM3 wasn't a good one. We hope that you will consider BF Goodrich tires again in the future.

Sep 27, 2023
RedEyed Jack Adventures
5 out of 5 stars review

Over 5 years and 40k+ miles!!!!

Bought a set of the KM3s when they first came out. I had the first Land Rover Discovery 2 on KM3s in the USA. 5 1/2 years and 40k miles of wheeling from the swamps of Florida and everywhere else on the East Coast, they are ready to be replaced. No dry rotting, plenty of tread left, they have just worn a little funny (to be expected in a mud tire) and have gotten quite noisy. What am I replacing then with??? KM3s of course!!!! Best tire I've ever owned!!!

Review from bfgoodrichtires.com
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Oct 21, 2019
tfabricator87
5 out of 5 stars review

All around great tire

I have these ties on my '18 Ram 1500 EcoDiesel in 12.5x33R17. I've had these tires for a year now and put 32,000 miles on them. I've driven them on every type of terrain from hard-ball pavement (wet and dry), mud, snow, ice, gravel and everything in between. These tires have tackled everything beautifully and do especially well in mud and fresh snow (kind of a given). On ice they're great, but slide a bit. On the road they are more quiet than other mud terrains, but of course have some tire whine. The wear rate on these tires is outstanding! Like I said, I have 32k miles on these and they're still at about 50% tread left. Fuel mileage dropped significantly (26.8 mi/gal freeway down to 22.1 mi/gal) but that's too be expected. I would recommend these tires to anyone.

Review from bfgoodrichtires.com
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reply from Consumer Care

Awesome, tfabricator87! Thanks for taking the time to submit a review.

Jul 24, 2024
New Mexico dust
5 out of 5 stars review

Still going at 40k

I drive a 2017 Chevy Colorado ZR2. I got a set of the BFG Mud Terrain tires at around 31k miles in June of 2020 as a replacement of the awful stock tires. I was having sidewall punctures with the wimpy p-metric stock tires they put on these new trucks these days. I am at 80k and still have a bit of life in them. I run them in mud, rocks and heavy gravel. A bit noisy but that’s to be expected . I won’t trust anything else. I’ve always used BFG tires beginning in the late 90s. Mostly the KO all terrains. I’ve seen them evolved over the years. I also ran the older kM2 tires on a Chevy 2500HD. I’ve owned Land Rovers, Chevy trucks and others and have always insisted on BFG all terrains and or the mud terrains. Best tire out there!

Review from bfgoodrichtires.com
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Mar 18, 2022
Miloparker
4 out of 5 stars review

Great off-road, wore out fast

I bought 35x12.50r17 almost a year ago. Two tires wore out horribly and uneven. The other two are half tread or better. I installed all new suspension in shocks a month prior to installing my tires. Rotated every oil change. Was not pleased with the wear of those two tires. Have since sold them to try and make my money back for another set. I just ordered 39x13.50x17 for my truck now and they’re on indefinite back order. Really liked the look and performance, so I went with the KM3 again in a larger size. I hope these ones wear fine, and are put into production soon!

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300