BMW , 5 Series , E12 , 528 (1974-1978) Little Known Facts
- The E12 chassis was the precursor to the more famous E28 and E34 generations of 5-series.
- In 1973, the 528i model year began with an inline-6 engine producing 115 kW (156 hp), but it had issues with overheating due to low airflow under the car.
- A higher compression ratio was implemented for the 1977 MY, leading to a slight increase in power output.
- The rear differential featured a torsion beam design with trailing arms and a Panhard rod, contributing to its distinct handling characteristics.
- BMW offered a sport package (M-Sport package) for the E12 chassis, which included upgrades like firmer springs, heavier front springs, stiffer anti-roll bars, and larger brakes on the non-M versions.
- In 1977, the 528i model year saw an increased price due to a higher base price and higher taxes in Germany at that time.
- The E12 had a relatively small trunk space due to its rear suspension design.
- In 1973, the engine management system was updated to a revised version of L-Jetronic with improved fuel efficiency.
- The car featured BMW's innovative 'Rear Axle Suspension' (RAS) system for better ride comfort and reduced noise levels at the time of launch.
- During its production run, there were limited edition models created, such as the M-Sport package mentioned earlier and a few other unique variations, but no specific numbers are documented.
- The 528i was praised by critics for its balance between performance and handling when compared to other executive sedans on the market at that time.
- In terms of design, the E12's styling contributed to its unique look among its contemporaries and set a precedent for future BMW designs, particularly in regards to the position of the license plate.
- There were minor facelifts during production, with changes including improved bumpers, new front grille, and rear tail light modifications.
- The 1976 MY saw the introduction of a revised interior and dashboard design for all models.
- BMW's decision not to install larger brake rotors as an option on certain E12 models contributed to its relatively poor braking performance compared to some other cars in its class at that time.
- It was known among enthusiasts for its ability to handle well despite being heavier and having a rear-mounted engine, which are both typically associated with negative handling characteristics.
- By 1978, when production ceased, the E12 had become somewhat outdated compared to newer models in terms of styling and technical specifications.
- There is limited information available on the performance capabilities of specific E12 chassis models over long distances or during extended driving sessions at maximum speed due to lack of testing data from that time period.
- The car's fuel efficiency was reportedly relatively good, especially considering its engine size and power output compared to other executive sedans produced around that time.
- As of the end of production in 1978, it is difficult to determine how many examples were built or sold due to incomplete historical records at the manufacturer level for certain model years and sales periods.
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