The E23 is the first generation 7 Series, and was produced from 1977 to 1987. It was built in a 4-door sedan body style with 6-cylinder engines, to replace the E3 sedans. From 1983 to 1986, a turbocharged 6-cylinder engine was available.
The E23 introduced many electronic features for the first time in a BMW, including an on-board computer, service interval indicator, a "check control panel" (warning lights to indicate system faults to the driver), a dictaphone and complex climate control systems. It was also the first BMW to offer an anti-lock braking system (ABS), a driver's airbag and double-link front suspension.
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