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A 2014 motor does not support dual battery. No more information required. I will send you a PN

December 2014. <MY2017 No dual battery. Here is how I do it on one of my bikes: @pavjayt if you want a sweet upgrade, I have some new Generation 2 Performance Line CX motors. The latest hardware (MY20) with eMTB, 75Nm, 6V or 12V light, even eShift possible...

If the drive unit is <MY2017, it will not work. Only on drive units MY2017 and later. And the batteries of course need a software version from 2017 or later. What are the first 3 digits of your drive unit serial number? This will tell you the date when manufactured.

Yes. That is unusual, but happens. There are a few small businesses in Germany / EU that actually replace all bearings if needed. A complete makeover is a little over 200€, which is very reasonable. Would be like $1200 in the US 💸💸💸

That is awesome, but Bosch is really good when it comes to warranty even after 2 years. If the motor was too old, there is a service kit that includes the right side motor cover with the main bearings and gears that usually go bad in wet conditions. It is only just over $100. I just fixed two...

Why in the world... Remove the old one and put a new one in. It could also be the balancer chip, but that would be a little harder to replace

Correct. Yes

They should have built them with two motors 😁

The Gen4 does not fit on your Tandem. But yes, that would be some improvement with more torque.

@rich c Just read it right. The latest ones FOR the small sprocket. There were several different versions for the small sprocket. <MY17 without walk assist etc and so on That's why I added all the information like Gen2 and 2014 - 2018 That motor actually is a MY20 (still Gen2), which means it...

I have some new Bosch Performance Line CX motors, zero miles. These are the latest ones for the small sprocket, MY20. Great as upgrade or replacement for any Performance Line or Active Line (2014-2018) that come with the small sprocket. They have all the features like Walk assist eMTB mode...

No need to build anything. Just turn it on and park the bike on the pedal. Means, use the pedal like a kickstand. You just need a brick or something to support the pedal. The permanent little torque on the crank will keep the system on until the battery is discharged. You should discharge it to...

You can pull the pins out with a needle to get the plug off. Then you don't need to drop the motor.

If your new bike uses horizontal 625 PowerTubes, I would trade you one in for the PowerPack batteries.

That is an interesting one. It should give you a 510 or 532 error if it was the torque sensor. Turning off walk assistance after 3 seconds and no assistance when riding might be a battery issue or just lose battery contact (which can get you a 6xx error or leave you with no error, but is less...

Only Bosch can do that and they won't just do that. But who cares if the speedometer is just a bit off? You can only adjust 5% wheel size up and down do adjust it to your tires. And no, adjusting the wheel size 5% here won't make your bike 5% faster. It will only go faster, if you pedal harder.

Yes

No.

Not with the Bosch charger. It only opens the 42V output after it gets the correct signal That would be one in 20. Bosch would be out of business if that was true. Hey, how much do you want for the dead charger (if it is dead)?

Only one charge cycle, from warranty exchange. It is the horizontal version. $500 plus shipping.