The BMW 3.0S (E3) is part of the "New Six" series of luxury cars produced by the German automaker BMW in the late 1960s and early 1970s. The 3.0S was one of the variants of the E3 series, which represented a step forward for BMW in terms of luxury, performance, and technology. Here's an overview of the BMW 3.0S (E3) and its significance:

1. Introduction and Positioning: The BMW E3 series, often referred to as the "New Six," was introduced in 1968 as a range of luxury sedans positioned above the existing "02 Series" models. The E3 series aimed to combine performance, comfort, and advanced features, targeting the executive sedan market.

2. 3.0S Model: The 3.0S was one of the variants within the E3 series. It featured a 3.0-liter inline-six engine, which was considered quite powerful for its time. This engine was equipped with Bosch fuel injection, leading to improved performance and fuel efficiency compared to carbureted engines.

3. Performance: The 3.0S's engine produced around 180 horsepower, which was quite impressive for the era. This allowed the car to accelerate briskly and achieve relatively high top speeds. The combination of the powerful engine and advanced suspension system contributed to a smooth and responsive driving experience.

4. Design and Styling: The E3 series, including the 3.0S, featured a classic and elegant design with clean lines and understated luxury. The styling was in line with the design trends of the late 1960s and early 1970s. The interior was known for its quality materials and comfortable seating.

5. Luxury and Features: The 3.0S was well-equipped in terms of luxury and features. It included amenities such as power windows, air conditioning, wood trim, and a well-appointed interior. BMW aimed to create a balance between performance and luxury in this series.

6. Legacy: The E3 series, including the 3.0S, played a significant role in establishing BMW's reputation as a manufacturer of sporty, high-quality luxury cars. The success of the E3 series laid the foundation for future BMW models that continued to focus on performance and driving dynamics.

7. Collector's Item: Due to its historical significance, advanced technology, and limited production numbers, the BMW 3.0S (E3) has become a sought-after collector's item among enthusiasts of classic BMWs. Well-preserved examples can command attention and value in the classic car market.