The car was first presented as the Glas 1300 GT in September 1963 at the Frankfurt Motor Show, with volume production starting in March 1964.
The body shells were built in Moncalieri by coach builders Maggiora, then shipped to the Glas factory at Dingolfing for final assembly.
The 1,290 cc engine was a bored-out version of the modern unit that had powered the manufacturer’s 1004 model since 1962, with an overhead camshaft.
From September 1965 the cars could be ordered with the 1,682 cc engine from the newly-introduced Glas 1700 TS sedan, which had a maximum power output of 74 kW (100 PS) and a top speed of 185 km/h (115 mph).
The BMW “new class” models introduced in 1962 had attracted press comment concerning the fact that the engine was canted over at an angle of 30 degrees from the vertical plane, permitting a lower bonnet/hood line, and this feature was retained when the engine was fitted in the Glas GT body to create what was now branded as the BMW 1600GT.