It seems like a cool "staple" of the M cars is the carbon fiber roof such as the M3 sedan and coupe and the M6 coupe. Why was the M5 never given a carbon roof. I think this would be a neat feature, but i guess people dont want to give up the moonroof.

 

What's the point? It's not suppose to be a 'sports car'. It's fat beast. No need for weight savings.

 

Carbon's for coupes.

 

Oh I don't know if I fully agree. The M5 is a luxury sports sedan. I would not say it is not a sports car. It is heavy (4200 lbs) but it does move quite well in my opinion.
With some mods my M5 scoots down the 1/4 mile in 11.65 sec. at 125 trap. Not to shabby. I could lose a few lbs but I do not want to compromise the luxury and comfort of the car. The car is still used for dinner and outings.

Cheers,
GT3Ranger

 

I would opt for the carbon roof if it was offered, but yeah the M5 is one big very fast fat pig.

 

With some mods? Your sig says 581rwhp, thats what a $40k upgrade Supercharged or TT

 

With it weighing 4000lbs I hardly think the ~8lb weight difference is gonna help on bit. Even on the New M3 it's really not a marvel like //Marketing makes it seem it only saves about 6~lbs over a steel roof The sunroof is really where the weight comes from I think weights about 35lbs and like I said that weight difference on an M5 doesn't mean anything.

 

That'd be a HUGE piece of carbon fiber. The roof on the M5 is quite a bit bigger compared to the M3 and M6 so it'd be a really expensive option to add it. Plus, as MiniD said, the M5 isn't exactly a lightweight so the effects would be pretty much negligible.

 

I agree, it would not be worth the expense. It would only be for cosmetic reasons.
Best think of other places to save weight. It still is a pretty fast 4200lb sled.

 

Because people above the age of 25 are majority customers of the M5.

 

gt3 ranger
did you Supercharge your M5 or Turbo it ?
just curious if i can see the dyno sheet to look at the torque curve

did they have to lower the compression ?
what about redline ?

 

No one said it wasn't fast.

 

Most customers would want a sunroof.

 

Hey STEVE KOJASEVIC, my M5 has multiple bolt on components, ie. headers, pulley, Active ECU stageII, Dinan 10 throttle bodies set up, custom intakes, custom exhaust. It has dyno'ed on several occasions between 460 to 465 rwhp on motor.
Enter the ASR Engineering custom NOS kit which is awesome. The car with the nitrous dyno'ed 581 rwhp and 461 rw torque. The power is explosive and fantastic. When doing a rolling start run, 60 to 180 mph to car pulls like nothing I've ever owned. I have out pulled modded Z06's.
We've seen down here in "Mexico" planned runs where an M6 on pure motor put 10 car lenghts on a stock Z06 (running 45 to 190 mph). This may ruffle feathers but it is the truth.

Now on a related subject, there are real working plans to develop a twin turbo set-up for the M5. There will be a 3 different stage set-up. Mild to wild. Stages II & III will require going internal. Changing the compression, pistons and many components. The BMW V10 is awesome but a limitation will be the SMG. It won't take 1000 rwhp and these numbers can be achieved.
ASR Engineering is developing this modification and my M5 will benefit from these mods.

In response to the last member who responded to this thread, I hate sunroofs.

Cheers,
GT3Ranger

 

And I'm sure there's a handful of owners or potential owners who feel the same way. Does BMW care about this drop in the bucket in comparison to the rest though? Doubtful.