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3 Posts
Discussion Starter #1
I have a blown motor on my 05 K1200s (long story, but threw a rod through the crankcase).

I'm looking to do a swap or a rebuild.

I saw on 07 motor listed on ebay, and was wondering if there would be any issues putting a later model motor into it.

Would there be ECU or other problems potentially?

Any info greatly appreciated.


best regards,

Peter K.

19 Posts
I'll take this one. Broke cam chain on my k1200s 2005 model last summer. Crashed all the valves but could have been repaired until I looked at BMW parts prices. NOT
Did the same thing and got a slightly used motor from a crashed 2008 and did a swap. This was a complete motor with starter alternator sensors fuel injectors. You get the idea.
Cut the mine from a place the in Texas. Totally happy with the company and product.
Only difference was the 2008 had a coolant vent line on the right side of the head. I had no place to run it to so it was plugged with the plug in the 2005 motor. No issues, I've put on several thousand miles since.
Cost me $1300-$1500 and my labor bay weekend but was well worth it.
1 runs Great
2 no more jerky throttle at low speed
3 clutch is smoother
4 don't hit neutral going from 1st to
2nd anymore.
It wasn't a bad job, some tight spaces.
Other than the motor just needed oil and filter. Header gadgets and a couple of o rings. No software changes.
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