1957 BMW ISETTA 300 DELUXE FOR SALE Serial Number 570827 - 11. 00 miles. Sliding windows. not bubble Deluxe ventilation system Paint and Interior excellent. No rust: Undercoated with POR15 UPGRADES: New Spare tire & wheel Wheels powder coated New hand brake assembly Engine overhaul by BMW of Ft Worth (Motorcycle shop) TX. 1991 Dyna-start rebuilt by BMW New steel battery box New Fuel Shutoff Valve and Assembly New Correct Door Rubber Seal New Wiper Motor. arm. & blade Door Spring enhance kit installed. Includes Operating Checklist. Maintenance. & Parts Manuals 4th owner BMW made the Isetta its own. They redesigned the powerplant around a BMW one-cylinder. four-stroke. 247 cc motorcycle engine which generated 10 kW (13 hp). Although the major elements of the Italian design remained intact. BMW re-engineered much of the car. so much so that none of the parts between a BMW Isetta Moto Coupe and an Iso Isetta are interchangeable. The first BMW Isetta appeared in April 1955. In 1956. the government of the Federal Republic of Germany changed the regulations for motor vehicles. Class IV licences issued from that time onward could only be used to operate small motorcycles and could no longer be used to operate motor vehicles with a capacity of less than 250 cc. At the same time. the maximum capacity allowed for the Isetta's tax category was 300 cc. Class IV licences issued before the change in the regulations were grandfathered and allowed to be used as before.  This change in regulations encouraged BMW to revise their Isetta microcars. In February 1956 a 300cc engine was introduced.  The engineers enlarged the single cylinder to a 72 mm (2. 8 in) bore and 73 mm (2. 9 in) stroke. which gave a displacement of exactly 298 cc; at the same time. they raised the compression ratio from 6. 8 to 7. 0:1. As a result. the engine power output rose to 10 kW (13 hp) at 5200 rpm. and the torque rose to 18. 4 N·m (13. 6 ft·lbf) at 4600 rpm. The maximum speed remained at 85 km/h (53 mph). yet there was a marked increase in flexibility. chiefly noticeable on gradients. In October 1956. the Isetta Moto Coupe DeLuxe (sliding-window Isetta) was introduced. The bubble windows were replaced by longer. sliding side windows. Buyer to pay 2. 00 deposit within 48 hours of close. Balance due within one week. Wire Transfer only. Buyer to arrange shipping.
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