Rumormill: Next BMW M3 to get triple-turbo six
#1
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Rumormill: Next BMW M3 to get triple-turbo six
http://www.autoblog.com/2011/07/07/n...3_lnk2%7C76590
Very interesting!
The BMW M3 has grown cylinders over the years like a pubescent pre-teen grows in height. What started out with an inline-four then grew into a straight-six for two generations before packing a V8 into the current model. The next one is expected to set to drop a couple of combustion chambers and go back to a single bank, but don't think for one minute that'll mean a drop in performance.
According to the rumormongers at AutoExpress, the next-generation M3, due sometime around 2014 after the new 3 Series comes along, will pack – wait for it – a triple-turbo straight-six. The innovative arrangement will reportedly include two conventional spools powered off exhaust gases and a third electric turbocharger. Total output could be around 450 horsepower – a bump over the current V8 model's 414 hp – with even more carbon fiber bits than the CRT edition pictured above to help keep weight down.
Not exciting enough? BMW's M division has plenty more in the cards, potentially including an oft-rumored new M1 supercar and, once the 1 Series M Coupe is done its production run, a lightweight CSL version. An M version of the Z4 is also under consideration, but of course nothing final until the cars make their debuts.
According to the rumormongers at AutoExpress, the next-generation M3, due sometime around 2014 after the new 3 Series comes along, will pack – wait for it – a triple-turbo straight-six. The innovative arrangement will reportedly include two conventional spools powered off exhaust gases and a third electric turbocharger. Total output could be around 450 horsepower – a bump over the current V8 model's 414 hp – with even more carbon fiber bits than the CRT edition pictured above to help keep weight down.
Not exciting enough? BMW's M division has plenty more in the cards, potentially including an oft-rumored new M1 supercar and, once the 1 Series M Coupe is done its production run, a lightweight CSL version. An M version of the Z4 is also under consideration, but of course nothing final until the cars make their debuts.
#3
Lexus Fanatic
I saw that rumor earlier on AOL but did not know how legit the source was so I did not post it. It is interesting and should set the M3 apart. I remember there were rumors the Nissan GTR was going to get electric assist turbo's to eliminate turbo lag but it never happened.
With the issues the E46 M3 inline 6 had at first and then the issues with twin turbo in line 6 has/is having I can only imagine how much of a nightmare reliability wise a triple turbo I6 BMW motor will be with 450hp.
With the issues the E46 M3 inline 6 had at first and then the issues with twin turbo in line 6 has/is having I can only imagine how much of a nightmare reliability wise a triple turbo I6 BMW motor will be with 450hp.
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Didn't Mercedes release some sort of SLK diesel concept a few years ago which was also tri-turbocharged? I believe they had three turbos of variable sizes to account for low, middle and high-end lag or something along those lines.