BMW Concept M4 GTS – the pinnacle of street-legal racers

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Pox

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CPTBoy said:
Nope, must be added as aftermarket add on.
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The STI has standard water injection, where is sprayed onto the intercooler. Not aftermarket, although there are many different kits you can buy that do this.
 
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CPTBoy

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Pox said:
The STI has standard water injection, where is sprayed onto the intercooler. Not aftermarket, although there are many different kits you can buy that do this.
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Water injection into the engine and water sprayer onto intercooler is not the same thing. It's really cool that a manufacturer will add water injection as standard. p.s. Have you still got the wagon?
 
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Pox

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CPTBoy said:
Water injection into the engine and water sprayer onto intercooler is not the same thing. It's really cool that a manufacturer will add water injection as standard. p.s. Have you still got the wagon?
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Yes, but the article doesn't say if it's water for cooling or actual water injection into the fuel before it's burnt.
Also, Nope, wagon has moved on. I upgraded to a STI (which now only gets used when it's raining because motorbike)
 
Necropolis

Necropolis

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That's one angry looking car.

The spoiler does look like an after thought though...
 
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Beachless

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Pox said:
Yes, but the article doesn't say if it's water for cooling or actual water injection into the fuel before it's burnt.
Also, Nope, wagon has moved on. I upgraded to a STI (which now only gets used when it's raining because motorbike)
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This car is based on the M4 MotoGP car which has water injection.
 
vinodh

vinodh

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unskinnybob said:
For track the spoiler is functional. Reviewers regularly comment that the M3/M4/M5 needs more downforce in order to get the power off the rear wheels down.
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That spoiler will make very little difference for improving issues with traction. Aero downforce only kicks in at a speed that's too late for controlling the rear end with regards to traction. It should help stabilise the car in high speed corners though. What will help with traction in lower speed corners is a huge rear diffuser like the DTM/F1 cars have. A blown diffuser would be even better.
 
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X-Gamer

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This is BMW's implementation of water injection charge cooling:

YOUTUBE - BMW M4 MotoGP Safety Car with water injection
[video=youtube;bs3wNGKTKs4]https://www.youtube.com/watch?v=bs3wNGKTKs4[/video]


Article on AutoEvolution about BMW using it on other cars:
Direct Water Injection BMW 218 HP 1.5-liter 3-cylinder Engine Unveiled

EDIT: Why is that image not auto-resizing... added the video instead.
 
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