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Report: BMW M4 GTS’ Water-Injection System Will Go Mass-Market by 2019

Bosch already in talks with OEMs

Conner Golden
Aug 31, 2016

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, reducingengine temperatures, knocking, and fuel consumption.

2016 BMW M4 GTS engine 01 660x438 Photo 2/3   |   2016 BMW M4 GTS engine 01

As a result, the power of the BMW M4 GTS' engine risesby 5 percent and efficiency by 13 percent. As icing on the water-injected cake, emissions dropby 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, whichhelped BMW develop thetechnology. 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."

2016 bmw m4 gts rear three quarters 021 660x438 Photo 3/3   |   2016 bmw m4 gts rear three quarters 021

There area fewissues that need to be worked outbefore mass-market adoption is possible. A major one iskeeping the water from freezingin winter climates. One solution under considerationinvolves 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

By Conner Golden
104 Articles

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