1975 BMW R 90 S

Specifications
- Category
- Classic
- Displacement
- 898.0 ccm (54.80 cubic inches)
- Displacement (cc)
- 898.00
- Engine details
- Two cylinder boxer, four-stroke
- Power
- 67.0 HP (48.9 kW) @ 7000 RPM
- Top speed
- 196.0 km/h (121.8 mph)
- Compression
- 9.5:1
- Bore × stroke
- 90.0 x 70.6 mm (3.5 x 2.8 inches)
- Valves/cyl
- 2.0
- Fuel control
- Overhead Valves (OHV)
- Cooling
- Air
- Gearbox
- 5-speed
- Transmission
- Shaft drive (cardan) (final drive)
- Front tyre
- 3.25-19
- Rear tyre
- 4.00-18
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Wet weight
- 232.0 kg (511.5 pounds)
- Fuel capacity
- 24.00 litres (6.34 US gallons)
The 1975 BMW R 90 S
1975 BMW R 90 S sits at the top of the airhead range as BMW's flagship sport-touring machine of the era, the fastest and most focused production bike the factory built at the time. This is a bike that rewards a rider who wants distance covered quickly and comfortably rather than one chasing corner-to-corner theatrics. The smoked paint, that small bikini fairing, and the clip-on bars signal intent the moment you sit on it — this was BMW's answer to the notion that a shaft-drive touring twin couldn't also be quick. On the road it feels long, planted, and torquey rather than frantic, with the kind of mechanical honesty that made it a benchmark for what a boxer could do when BMW stopped being conservative. The 1975 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1974 example should focus on mileage, service history, and condition rather than spec differences. Collector interest runs high, and buyers tend to be experienced BMW owners or vintage-focused collectors upgrading from a standard /5 or /6 model, drawn to the R 90 S specifically for its performance reputation and long-term value trajectory.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Jun 3, 2026 | Original-Owner 1975 BMW R90S | $13,000 | — | Bring a Trailer |
| May 27, 2026 | 1975 BMW R90S | $6,400 | — | Bring a Trailer |
| May 20, 2026 | 1975 BMW R90S | $8,000 | — | Bring a Trailer |
| Apr 14, 2026 | 1975 BMW R90S | $13,100 | — | Bring a Trailer |
| Apr 7, 2026 | 1975 BMW R90S | $14,000 | — | Bring a Trailer |
| Mar 19, 2026 | 1975 BMW R90S | $7,000 | — | Bring a Trailer |
| Oct 31, 2025 | 1975 BMW R90S | $7,851 | — | Bring a Trailer |
| Jul 24, 2025 | 1976 BMW R90S | $23,500 | — | Bring a Trailer |
| May 22, 2025 | 1976 BMW R90S | $14,500 | — | Bring a Trailer |
| Oct 27, 2024 | 1975 BMW R90S | $47,000 | — | Bring a Trailer |
| Sep 15, 2024 | 27-Years-Owned 1975 BMW R90S | $40,250 | — | Bring a Trailer |
| Sep 13, 2024 | 1975 BMW R90S | $15,250 | — | Bring a Trailer |
| Sep 1, 2024 | 207-Mile 1976 BMW R90S | $40,750 | — | Bring a Trailer |
| Aug 31, 2024 | 1975 BMW R90S | $12,300 | — | Bring a Trailer |
| Aug 15, 2024 | 35-Years-Owned 1976 BMW R90S | $6,400 | — | Bring a Trailer |
| Jul 15, 2024 | 1976 BMW R90S | $18,500 | — | Bring a Trailer |
| Jul 8, 2024 | 1976 BMW R90S | $18,000 | — | Bring a Trailer |
| Jun 30, 2024 | 1976 BMW R90S | $35,000 | — | Bring a Trailer |
| May 10, 2024 | 1976 BMW R90S | $11,000 | — | Bring a Trailer |
| Apr 10, 2024 | 1975 BMW R90S | $34,000 | — | Bring a Trailer |
| Feb 10, 2024 | 1976 BMW R90S | $60,000 | — | Bring a Trailer |
| Feb 3, 2024 | 1976 BMW R90S | $14,500 | — | Bring a Trailer |
| Dec 5, 2023 | 1976 BMW R90S | $8,700 | — | Bring a Trailer |
| Oct 15, 2023 | 46-Years-Owned 1975 BMW R90S | $8,700 | — | Bring a Trailer |
| Sep 19, 2023 | Custom 1976 BMW R90S | $17,000 | — | Bring a Trailer |
| Sep 7, 2023 | 1975 BMW R90S | $6,900 | — | Bring a Trailer |
| Jun 11, 2023 | 1975 BMW R90S | $6,500 | — | Bring a Trailer |
| Nov 2, 2022 | 1975 BMW R90S | $11,750 | — | Bring a Trailer |
| Oct 20, 2022 | 32-Years-Owned 1976 BMW R90S | $7,200 | — | Bring a Trailer |
| Oct 19, 2022 | 1975 BMW R90S | $21,500 | — | Bring a Trailer |
| Oct 12, 2022 | 1976 BMW R90S | $8,409 | — | Bring a Trailer |
| Aug 4, 2022 | 35-Years-Owned 1976 BMW R90S | $9,992 | — | Bring a Trailer |
| Jun 24, 2022 | 1976 BMW R90S | $13,100 | — | Bring a Trailer |
| Jun 6, 2022 | 1976 BMW R90S | $10,300 | — | Bring a Trailer |
| May 16, 2022 | 1975 BMW R90S | $17,150 | — | Bring a Trailer |
| Apr 25, 2022 | 1976 BMW R90S | $21,500 | — | Bring a Trailer |
| Apr 19, 2022 | 1976 BMW R90S | $10,000 | — | Bring a Trailer |
| Apr 4, 2022 | 1976 BMW R90S | $30,250 | — | Bring a Trailer |
| Mar 9, 2022 | 1976 BMW R90S | $60,000 | — | Bring a Trailer |
| Feb 15, 2021 | 1975 BMW R90S | $14,500 | — | Bring a Trailer |
| Dec 15, 2020 | 1975 BMW R90S | $6,000 | — | Bring a Trailer |
| Feb 14, 2020 | 1976 BMW R90S | $7,400 | — | Bring a Trailer |
| Jan 30, 2020 | 1975 BMW R90S | $13,500 | — | Bring a Trailer |
| Mar 27, 2019 | 1975 BMW R90S | $8,775 | — | Bring a Trailer |
| Mar 20, 2019 | 1975 BMW R90S | $11,250 | — | Bring a Trailer |

