Background
The Essex was the first release of the Turbo Esprit and was the primary Turbo Esprit model being maketed by Lotus during the Bond movie release.
For reference, I own the first white Turbo Esprit off the assembly line in 1980.
Here are 2 crucial links to the Essex and Bond...
1. The intention of using the Turbo Esprit in For Your Eyes Only was that it co-incided with the release of the Turbo Esprit from Lotus in 1980/1981. Much of the marketing and hype surrounding the release of the movie was based around the Turbo Esprit - an example of which is in the picture below. It is important to remember that the Essex was the first edition of the Turbo Esprit being hyped by Lotus at the time, even though it failed to garner sales that the factory would have liked. (Essex was an oil company that I believe was embroiled in very public legal action at the time over an oil spill they were involved with - hence leading to a bad public reputation with any brand 'Essex' related. Not good timing for Lotus).
2. As we're aware, the Essex was the first release of the 'new' Turbo Esprit and was meant to be a run of 100 beginning in 1980. However, when there wasn't enough demand Lotus simply churned out Turbo's in regular colours, as per customer requests. Hence, my white Esprit was made during the 'run' of Essex Esprit's in mid/late 1980, and it has ALL the same features as the Essex bar the paint job. Also, another Forum member 'Per' owns the Esprit built just before mine (in black) and it TOO has all Essex features bar the paint job. In 1980 only 57 Turbos were produced.
For many years my car would easily have been referred to as an Essex model by the factory and connoisseurs. And there has been much debate over the years as to whether car's such as mine and Per's and others like them should be classified as 'Essex' cars. The general points of confusion were that car's like mine and Per's had the same features of the Essex (e.g. roof radio and A/C) and also, interestingly, they were also released out of the factory with the Essex sticker decal on the side near the petrol cap!
Ultimately, it had to be decided by the factory many years later, that despite having all the features of the Essex, they were NOT Essex cars as they did not have the blue paint job. However, it is fair and reasonable to say that they are 'de facto' Essex cars, as the primary intention of our cars was to be produced with Essex colouring - but obviously limited due to customer demand.
So i hope this helps to clarify how the Essex and Bond are closely related.