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1950 BMW R51/2 Betjemann Spezial

Bring a Trailer
Listed byDak92159
Barrington, New Hampshire 03825150 milesManual
UnsoldJul 6, 2025
Final bid$16,000

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Summary
This 1950 BMW R51/2-based Betjemann Spezial is a custom build by Chris and Barbara Betjemann, featuring a modified 494cc opposed-twin with Mikuni carburetors, wasted spark ignition, and a four-speed transmission. It shows 100 miles since completion and has a few paint imperfections on the rear fender.
Trait
Quantity
Most Recent Sale
Year
No Data
0 (0%)
No Data
Color
Avus Black
4 (<1%)
11/1/2026
Transmission
1067 (66%)
11/10/2026
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Loading sold figures · 12 months to Jul 6, '25

Listing history

1 appearance
  • 7/6/2025
    Bring a Trailer
    Unsold· this listing
    $16k
Bid History
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Comments
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Top Comments
Dak92159 @germancarguy that shift lever on the right side of the gearbox is kind of like the tailbone, or wisdom teeth in ... View more
Ram3k Wow - if I didn’t own the 51/2 I got from Vech I’d have been all over this. Iconic bike restored by the folks who ... View more
Dak92159 Thanks everyone for your interest in the bunk and kind words for the Betjemann’s. They are lovely people that do great ... View more
Share to TwitterShare to FacebookLast updated 8/25/2026
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