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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 51-60 of 110 reviews
Jul 3, 2024
Reviewer name: JMTaylor47
4 out of 5 stars
4 out of 5 stars review

Great tire

I've had these tires for over a year on my Ram 2500 and I've been nothing but impressed. The ride is smooth, I run 37s and it's the quietest tire I've ran so far. I run a diesel and we get a lot of snow and cold weather and i havent had to put weight in box to keep traction, they grip great. My only complaint is the max tire pressure is 65psi and my Ram requires 85lbs so I have to ride around with my dummy light on.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
Dec 15, 2021
Reviewer name: Jeep Grrrrl
1 out of 5 stars
1 out of 5 stars review

I dunno…not happy :(

I have these tires on my Willys Wrangler. I like the look, but one has cupped really badly. I had my suspension checked out and it’s fine, so I’ve got to buy a new tire, which is super annoying because I’d prefer to have all of my tires the same age. Booooo.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care

Jeep Grrrrl, we get your frustration. We need to get some more details. A member of our team will be emailing you, or you can contact us at 866-866-6605 for assistance.

May 31, 2023
Reviewer name: TexRec
3 out of 5 stars
3 out of 5 stars review

Great tires, undersized, over priced

I’ve tried just about every off-road, AT, MT tire made over the years. I keep coming back to BFG for the quality tire that they are. Currently running the KM3’s on my Jeep Gladiator. These tires work great on road and are exceptional Offroad. The two main complaints I have, which is pretty standard on all BFG truck tires. Undersized for what size they advertise them to be. And I’m not talking about just a little bit. BFG’s are some of the worst about under sizing. ALOT. Once you get to the really tall tires, the prices are outrageous compared to their competitors. I’m in need for a larger size now and the BFG price is outrageous on 39’s (which are actually 37.75” tall supposedly) sorry BFG’s looks like I’m gonna have to go to your competitor after all these years

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care BFG US

TexRec, we sense your frustration. The main issue here is related to how customers measure overall diameter vs. how the tire industry measures overall diameter. Most people put a tape measure next to their tires on their vehicle to measure the overall diameter. This way of measurement gives a reading smaller than the way the industry requires us to measure overall diameter. <br />The overall diameter is actually calculated with a tire mounted on the appropriate rim width as identified by T&amp;RA or ETRTO then inflated to 1.8 bar (26 psi). A calibrated measurement tape is run around the circumference of the tire in the center of the tread (which represents the largest overall diameter). This measurement of circumference is then divided by the mathematical constant known as PI (3.14126...) to calculate the diameter. We hope this helps.

May 1, 2022
Reviewer name: 96f350guy
5 out of 5 stars
5 out of 5 stars review

Why I bought these

Mostly because of the vid BFG made, showing the sidewall resistance to cuts and punctures. There are times when you cannot change a flat, cannot even stop, cannot avoid something sharp, and are fully loaded or grossly overloaded. When it's life and death. What's an extra hundred per tire against that? Others may be as good, but where's the video proof?

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
Jun 29, 2025
Reviewer name: Disappointed Hawaiian
1 out of 5 stars
1 out of 5 stars review

KM3 is a poor design. Bring back KM2 or Krawler style..

KM3 mud terrains are a poor design. The tread depth is already too shallow when the tires are new. The KM3 wears out too fast. Please bring back the KM2, which was better looking, lasted much longer, and performed as well or better than the KM3. I would even buy the original design KM1 again over the KM3. Until BFG changes the design, I will not buy BFG mud tires again. These KM3s are like the old KO2 all terrains. Seems as though BFG is moving away from supporting the off-road enthusiasts. If BFG eliminates the Krawler, I guess I will not be buying any BFG ever again. Not to mention these tires do not clean well and are ugly. What was BFG thinking? Avoid the KM3s unless you don't need a mud tire and are just buying for looks and in which case there are better looking tires out there, just my honest opinion.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
Oct 21, 2019
Reviewer name: tfabricator87
5 out of 5 stars
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
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care

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

Dec 15, 2020
Reviewer name: Darren2018
1 out of 5 stars
1 out of 5 stars review

Completely surprised at Pre-mature wear

Bought a brand new Jeep Unlimited JK Willys edition. Look of tire is great. After and second rotation, mechanic called and said we had severe cupping on the front and we rotated to back next oil change and winter beginning and the rear tires do not have enough to be safe. The Jeep has 29,000 miles on them. Always thought BF Goodrich was the best. Tires are rated for 60,000 and didn’t make it have way. Suggestions?

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care

We understand the Mud-Terrain T/A KM3 tires on your Jeep Unlimited JK Willys did not meet your expectation in terms of mileage. A member of our Consumer Care team will be in contact with you. You may also reach our office at 1-866-866-6605.

May 11, 2019
Reviewer name: Tnjeeper
2 out of 5 stars
2 out of 5 stars review

Out of round

Bought these in Feb. finally put on and have less than 100 miles on them. Out of round. Jeep wobbles. Contacted bfg. Being replaced but still won’t be able to drive my Jeep again for another 1-2 months. Going back to Nittos. Never an issue with those.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care

Thanks for bringing this to our attention, Tnjeeper. We would recommend getting a tire inspection at an authorized dealer. Please have the dealer contact us at 866-866-6605 to report their findings.

Dec 30, 2021
Reviewer name: 314defender
5 out of 5 stars
5 out of 5 stars review

Rock crawling on road tire

I bought a set of tires 37's for the Rubicon (2x), Dusy Ershim, and Fordyce. I have an old Defender TDI about 4300lbs I used to drive them at 32psi but the wear on them to Dusy from SF robbbed the edge treads (sad) they are a soft compound. So i upped the PSI to 47-50, never had a problem on road in the summer (dry). Got a great amount of performance from them on the Granite, no punctures or side wall gouges over 80 old miles of rock crawling (6psi abused Lit momentum bumpin') and 12000mls of on road use. I highly recommend Driving these are a great compromise of crazy crawling, decent mudding, and highway reduced road noise.

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
Dec 5, 2018
Reviewer name: HiVisOverland
5 out of 5 stars
5 out of 5 stars review

Continental Divide Trail

I have had these KM3s on the Interstate then straight onto the Continental Divide Trail. These tires have been amazing. Compared to the KM2s these tires are much quieter on the road and off road performance is so nice too. I'm going to be putting a set on my '58 Jeep FC150 also!

Review from bfgoodrichtires.com
Helpful?4JRBG9TV96O913612565300
reply from Consumer Care

Thanks for the awesome review HiVisOverland. BFGoodrich customers ROCK!