09-18-2014, 11:50 PM | #1 |
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G Series M5 V10
The best thing that ever happened to the M5 was it's NA V10 engine. We all know BMW went down to a V8 mainly for green compliance. I think we got almost the best V8 one could ask for.. high revving unique design for minimal to zero turbo lag. They did a good job, but all of us E60 M5 owners miss the naturally aspirated V10.
Presently BMW has a fuel efficient fleet of basically every late model vehicles in all series. In addition to that, and most importantly, BMW has the iSeries (i3, i8..). Considering all that, it gives promise that a reintroduction of a newly engineered V10 could be the power plant for the G Series M5. Anyone fully understand CAFE and other green laws? I only have a basic understanding of it. If I remember right, it works on credits and it contributes/applies to an overall score for all BMW models. The E60 V10 M5 was a complete game changer, and king of all high performance sedans. The F10 M5 was a compromise. The GXX M5 has the potential to regain the king status and once again be another game changer if it has a V10. Maybe they can design another great NA V10, but if their new TT design and technology is applied to a V10 power plant.. that would be one bad ass TTV10. A bit unrelated to this post, but I think we can count on all the advancements made in the M3 like the use of carbon, upgraded DCT, etc to make it to the GXX M5. Along with maybe an optional AWD system and an always excellent in-car technology (DA pkg, lights, etc) and an improved iDrive. So the actual question: With BMW's current lineup, and with consideration to all the green laws including CAFE, is BMW now in a position and able to bring the V10 back?
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09-19-2014, 05:35 AM | #2 | |||||
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I'm not an expert on CAFE regulations, but do know a little bit about the EU equivalent. Since BMW first and foremost is a European manufacturer, I would assume that the EU legislatuon is just as important for them.
It's also preferrable from a financial perspective to make the same products for the international market. For instance if EU emissions legislation is the strictes, then that will also determine what cars the US get. It' not very likely that BMW develops a NA engine for the US and a smaller turbo engine for Europe... Here are some of the posts I have writen on this subject previously (over on the F8x forum): http://f80.bimmerpost.com/forums/sho...2#post15839912 http://f80.bimmerpost.com/forums/sho...2#post15518130 http://f80.bimmerpost.com/forums/sho...&postcount=138 http://f80.bimmerpost.com/forums/sho...&postcount=142 http://f80.bimmerpost.com/forums/sho...&postcount=150 http://f80.bimmerpost.com/forums/sho...&postcount=154 Quote:
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The M cars definitely make an impact on FAE (Fleet Average Emissions) in EU, and the next M5 definitely needs to get better CO2 emissions than the outgoing model. There are a couple of avenues to achieve that: -smaller, more efficient turbo engine -loose weight -improve aerodynamics -hybrid drivetrain One possibility is that BMW is using a hybrid drivetrain like we have seen on the Porsche 918, LaFerrari and McLaren P1. The Porsche 918 has a CO2 of just 70-72g/km (the M4 DCT has 199g/km in comparison!!!) but still has a high rpm NA V8... Thanks to the hybrid drivetrain This could be a solution also for the next M5, high rpm NA V10 (V8) combined with a hybrid drivetrain. The beauty of this is that you don't really have to compromise on low rpm driveability/torque from the NA engine, since you can use the electric motor as "torque fill" where the NA engine is "weak". You can basically make a more race spec NA engine, since driveability is taken care of by the hybrid drivetrain Just imagine having a 9000rpm V10, coupled with the torque of a modern turbo diesel and fuel consumption/emission of a Prius...!!!! Coincidentally, BMW and Toyota have started a cooperation, where Toyota gets access to BMW engines, and BMW to Toyota hybrid tech... Last edited by Boss330; 09-19-2014 at 05:54 AM.. |
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09-19-2014, 07:34 AM | #3 |
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The V10 will return along with a hybrid assist power train. The next Nissan GTR is going for hybrid assist as well. I can't see M going with an NA V10 though, it's simply not efficient enough. TT-V10 FTW!
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09-19-2014, 11:28 AM | #4 | |
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If I remember right, BMW has already made a V10TT in the E60 M5 - it was a one-off car in white with M stripes given to one of their drivers.
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09-19-2014, 02:05 PM | #5 |
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The M5 CSL/M5 25 Jahre had a bespoke 5.5L NA V10 with 580hp and a DCT. If BMW ever does go the V10 route (I highly doubt it) it is for sure going to be forced induction, hybrid, or both. I just cannot see a business case for an all new V10 when they can continually improve the S63tu for years to come.
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09-19-2014, 03:24 PM | #6 |
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///M5-6 with V10 + a couple of turbos = Probably 700 HP !
And that would be the long awaited answer to AMG . Who knows....let's dream ....
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09-19-2014, 03:29 PM | #7 | |
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