If you want to experience the water-injection technology championed on the recent M4 GTS, you might soon have your chance for far less than that car’s $135,000 price tag. If a report from Autocar is to be believed, the water-injection tech will trickle down (pun intended) to other cars by 2019.
Before we look to the future, here’s a recap of how water injection works and its benefits. Essentially, it’s a high-pressure injection system that spritzes water vapor into the intake before fuel combustion, reducing engine temperatures, knocking, and fuel consumption.
As a result, the power of the BMW M4 GTS’ engine rises by 5 percent and efficiency by 13 percent. As icing on the water-injected cake, emissions drop by 4 percent as well.
BMW isn’t the one leading the charge behind the attempt at mass-production. Instead, the effort is being led by Bosch, which helped BMW develop the technology. According to an interview with Autocar, Bosch project lead Martin Frohnmaier said the injection systems are well on their way to mass-market. “We are in contact with major automotive makers already, but we can’t talk about them in more detail at this stage,” said Frohnmaier. “We can say that we expect the system to make mass production from 2019.”
There are a few issues that need to be worked out before mass-market adoption is possible. A major one is keeping the water from freezing in winter climates. One solution under consideration involves electrical heating components.
The report goes on to mention BMW’s initial involvement means the German automaker would likely be the first in line to proliferate this technology.
Source: Autocar
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