What does the 'i' in cars stand for?

2 Answers
VonBrantley
08/26/25 3:50am
In automobiles, the 'i' stands for electronic fuel injection system, which can be categorized into continuous injection and intermittent injection based on the injection method. The function of the electronic fuel injection system is to precisely control fuel injection quantity, timing, and pressure, ensuring optimal fuel delivery into the combustion chamber for improved power performance, fuel economy, and emission control. Characteristics of the electronic fuel injection system include: 1. Enhanced engine power, fuel efficiency, and exhaust emission performance; 2. Air-fuel ratio feedback control that reduces emissions; 3. Direct fuel injection into the intake manifold ensures even distribution of the air-fuel mixture across all cylinders.
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AbelFitz
09/08/25 4:41am
I recently test-drove my friend's new BMW i3 and discovered that the 'i' in BMW models typically stands for 'innovation,' which is a unique naming convention specific to the BMW brand, referring to their electric and hybrid vehicles. I think it's really cool because the 'i' series, from the i3 to the i8, emphasizes environmental friendliness and high technology, such as using renewable materials for car manufacturing and smart connectivity features. Driving it was exceptionally quiet, with powerful acceleration, making it particularly suitable for city commuting while also saving on fuel costs. I've always felt that driving such a car is both stylish and responsible, contributing to reducing urban air pollution. If you're considering buying an electric vehicle, I highly recommend learning more about these details and visiting a dealership for a test drive to experience the charm of new-era cars firsthand.
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