Much success in motorsport
The success with the Goggomobil from 1956 to 1959 in motorsport had already made for GLAS a very good name. Therefore, it was obvious that many drivers switched by the end of 1959 to the Glas Isar.
At the time chassis and engine were up to the challenge. But the problems with the missing oil sump led to a lot of engine failures at the beginning.
As with the Goggomobil the first reports of racing success came from Austria. The famous Austrian GLAS driver Loisl Wiener won alternately with the T 600 and T 700 one gold medal after another. In the 29th Bergland race, he won with his T 600 in the class up to 700 cc, and at the hill climb at the Rechberg near Graz, he won the gold medal because of his fastest times in all classes.
Driving the Glas Isar, he became in 1960 and 1962 Austrian national champion in his respective classes.
In Germany not much was going on with the Isar at this time. Karl Jungmayer still earned class victories with his Goggomobil and did not want to switch to the larger car. He did try the Isar at the hill climb at Wallenberg, but went back to the Goggomobil. Gerhard Bodmer, who since 1959 worked in the research and development department at GLAS, helped him with the Isar. Bodmer, who previously had raced DKW motorcycles, liked automobile racing and made quite a showing a year later. On August 14th, 1960 his sensational lap times with his Isar T 700 at Ruselberg in the 700cc touring car class were not unnoticed. Bodmer scored the class victory and was sometimes faster than drivers of cars in larger displacement classes.
He recognized immediately the problem with the lack of an oil sump. The resulting low oil pressure turned on the oil warning light on every turn. He built himself a suitable sump and thus solved the problem. This modification was adopted later by the factory in production cars.
This was the beginning of the career of the former Glas racing driver, who with co-driver Pohl earned several class wins with his the Isar T 600 at the Nürburgring.
At the 12-hour race he drove with 106 km / h the fastest lap. He saw the checkered flag ten minutes ahead of their competitors (!).
It certainly was not easy to even participate in this race. Unlike many other drivers which had their cars transported on trailers to this event, they had to drive the 600 kilometers to the Nürburgring in their Isar, loaded with many spare parts. The GLAS factory had not racing department and they had to organize everything themselves.
But there were many more GLAS drivers who participated in motor sport. Police Chief Michael Mair from Wolfratshausen already had successfully driven rallies with his Goggo scooter throughout Germany. He later switched to the Goggomobil and won among others in 1956 the Strasbourg to Paris rally. His next car was an Isar T 700 which he drove in various rallies in Germany with great success. In between, he also drove a T 600. From 1959 to 1963 he participated with his co-driver Herrle at the police rallies in Liege, Belgium and always finished in front. Also in these rallies was the Isar team Serveis / Genot from Belgium. This team was also very successful in events in the Belgian Ardennes.
In neighboring Luxembourg drove the local GLAS importer, René Schmitz with his Isar from 1959 to 1962 in many competitions. He scored many victories and even when he didn't win, he always ended up somewhere up front. These are just some examples of the many private race drivers of the Isar.
Racing interests in the Isar became less and less after the introduction of the new S1004 coupe. Loisl Wiener won with the new four-cylinder the first slalom competition of the RRC Vienna on November 11th, 1962 in the sports car class up to 1000cc, over MG Midget and Austin Healey, the acclaimed gold medal.
Many drivers stepped into the new 04 and thus the Isar disappeared from motor racing.
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