Poll: Final Drive Failure - K-Bikes.com - Excellence in Motion
View Poll Results: Have you suffered final drive failure ?
Yes 18 22.78%
No 61 77.22%
Voters: 79. You may not vote on this poll

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post #1 of 17 (permalink) Old May 10th, 2015, 7:39 am Thread Starter
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Poll: Final Drive Failure

Has your BMW suffered Final Drive failure ?
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post #2 of 17 (permalink) Old May 10th, 2015, 7:44 am
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Location: Laurel, MD, USA
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Yes. 2009 K1300GT. 22,000 miles. 5 years old. Out of warranty. $2,000 out of pocket.

Eric S.
2009 K1300GT - Red
1986 Harley Davidson FXRT - Sold
1982 Yamaha Seca 650 Turbo - Sold
1982 Yamaha XT 200 - Traded in
1980 Yamaha IT 125 - Traded in
1975 Honda XR 75 - Traded in
Honda Z50 - Traded in
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post #3 of 17 (permalink) Old May 16th, 2015, 10:21 am
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As of yesterday I need to change my vote to a yes.

2008 K1200GT, 39,000 Kms. Bearing went out yesterday on a day trip out to Radium BC. Had to rent a U-Haul to bring it home. Pulled the FD off and stripped it apart last night, bearing was totally shot. Now I just need to get the parts hopefully in stock at the dealer so it can all go back together before next weekend. We are (were) planning to leave for a 12 day tour down to Colorado and New Mexico next Sunday.

Ed Miller,
Calgary, AB, Canada
2008 K1200GT, 2009 F800GS
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post #4 of 17 (permalink) Old May 17th, 2015, 8:18 am
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Ed, if you have time during your repair, a few pictures along the way and tools/techniques required would be nice to see. I have my failed final drive parts from my replacement and am considering repairing it either for my future need or to offer to others.

Eric S.
2009 K1300GT - Red
1986 Harley Davidson FXRT - Sold
1982 Yamaha Seca 650 Turbo - Sold
1982 Yamaha XT 200 - Traded in
1980 Yamaha IT 125 - Traded in
1975 Honda XR 75 - Traded in
Honda Z50 - Traded in
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post #5 of 17 (permalink) Old May 17th, 2015, 1:25 pm
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I'll try to get some photos as I continue on with it. I got it all tore apart and all the parts were in stock at the dealer yesterday. I did have to fabricate some pieces to adapt a bearing puller to work for the flange removal. I'll also need to manufacture the tool for pressing the hub assembly back into the bearing. I will not need to worry about the flange install as I talked to the dealer about the recall and will drop the reassembled FD with them to install the new steel flange. My aluminum flange is not cracked, but the spacer ring did get chewed up with the bearing so I would have needed to buy that part otherwise. It comes with the new flange, so a bit of cost saving there at least.

Ed Miller,
Calgary, AB, Canada
2008 K1200GT, 2009 F800GS
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post #6 of 17 (permalink) Old May 17th, 2015, 8:07 pm
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'09 K1300GT at 25K miles. I noted some play in the FD but no operating issues. Had the crown bearing replaced by an independent shop. The bearing was intact, no metal debris in the oil, but the races appeared worn. I still have a slight bit of play, but haven't put a dial indicator on it yet. BMW says .5mm is within spec. Got a feeling I'll be dealing with this again sometime. Next time I may ship it to Anton Lagardier for a proper repair. Reluctant to go for a fleabay purchase, not knowing if the available FD's have the same issue.
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post #7 of 17 (permalink) Old Jun 5th, 2015, 5:39 pm
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Well, this whole mess took a bad turn when I discovered that the bearing failure had caused the inner race to slip on the shaft and cause wear. The new bearing was a slip fit onto the shaft. I went ahead and put it together along with a used flange with a good slip ring since the dealer would not install the new flange after all without the entire bike. They did give a good used flange they had taken off so I could at least use the bike for my trip.

Well, the trip went well, but by the time I got home, there was considerable play in the rear drive again. The thing that was though, it was still dead smooth with no roughness. Upon dis-assembly again today, I found that the shaft continued to wear down and had become very loose in the bearing, the bearing itself was actually still smooth and tight. Now it seems I'm in for a whole new final drive as it appears that BMW does not sell just the gear-set any longer and the axle is integral to the crown gear.


Ed Miller,
Calgary, AB, Canada
2008 K1200GT, 2009 F800GS
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post #8 of 17 (permalink) Old Jun 5th, 2015, 8:24 pm
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Ed,

Sorry to hear about the outcome. When my bearing failed, the dealer suspected axle damage was possible/likely and why the were recommending replacement rather than repair.

I'm still hanging onto my used/damaged one to see if it might be useful for more than scrap metal.

Eric S.
2009 K1300GT - Red
1986 Harley Davidson FXRT - Sold
1982 Yamaha Seca 650 Turbo - Sold
1982 Yamaha XT 200 - Traded in
1980 Yamaha IT 125 - Traded in
1975 Honda XR 75 - Traded in
Honda Z50 - Traded in
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post #9 of 17 (permalink) Old Jun 16th, 2015, 2:09 pm
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Thanks for sharing

Ed and Eric:

Had same problem it seems. Grease all over the rear disc and wheel. Dealer says it's the bearing, and as you both found out - whole new differential at prices you found. It only has 30K as well. REALLY hope the replacement is better / lasts forever.

Makes me want to get out of BMW's, and I've had them for almost 40 years. Older ones seem to hold up better.

Appreciate the knowledge you shared. Ed, was feeling hopeful and impressed reading your story, then got to the bad parts ;(
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post #10 of 17 (permalink) Old Jun 7th, 2018, 6:44 pm
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I too have a final drive failure, 45K on the clock. Haven't pulled it out yet, I have enough bikes to keep me mobile, but need to get to this. I suspect bearing failure. Grease and oil all over brake disc and wheel.
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