On our R1250RSs the speedometer is off 2% to 3%.
At 60 mph (GPS) the TFT will read 61 or 62.
At 100 mph (GPS) the TFT will read 102 or 103 mph.
Both bikes are the same.
Speedometer error on our R1200RSs was 3 %
At 60 the dash showed 62.
At 100 to 110 the dash would read 3 mph higher than a GPS.
At 60 mph (GPS) the TFT will read 61 or 62.
At 100 mph (GPS) the TFT will read 102 or 103 mph.
Both bikes are the same.
Speedometer error on our R1200RSs was 3 %
At 60 the dash showed 62.
At 100 to 110 the dash would read 3 mph higher than a GPS.
Lee
Iowa, USA
2022 R1250RS White Sport
Past BMWs: 2016 R1200RS x 2, 2011 K1300S x 2, 2003 K1200RS x 2, 1991 K75S x 2, 1987 K75T x 2, 1984 R100RT
Iowa, USA
2022 R1250RS White Sport
Past BMWs: 2016 R1200RS x 2, 2011 K1300S x 2, 2003 K1200RS x 2, 1991 K75S x 2, 1987 K75T x 2, 1984 R100RT