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2018 BMW 3 AND 4-SERIES FORUMS General G80 M3 Sedan Forum (2019+) What, if anything, does the weight of the new Porsche 911 mean for the next M3/4?

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      01-09-2019, 07:09 AM   #23
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Quote:
Originally Posted by auggiem3 View Post
Half of that was engine weight (eliminating the v8) and I don't see them cutting another 40+ lbs on a turbo inline 6 to turbo inline 6 evolution with comparable displacement.

Another big contributor was composite materials - like the carbon fiber drive shaft that was discontinued due to cost and structural integrity.

Always room for weight saving there but seems like the trend is more cosmetic - what would happen to m performance parts and special edition models (comp package, GTS, CSL, etc) if the car came standard with a ton of light material?

They will cut weight with new technology and as mentioned added composite material. If new gen will have an all wheel drive system similar to the m5 than yes weight reduction will be a lot less but Iím sure they will manage to keep it similar to the current F80 gen if not lighter.

Models like the cs, gts, etc.. they will improve the chassis and slightly increase power and again add lighter materials like a CF hood.

Last edited by 4DRS55; 01-10-2019 at 11:40 PM.
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      01-10-2019, 12:15 PM   #24
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Quote:
Originally Posted by 4DRS55 View Post
Quote:
Originally Posted by auggiem3 View Post
Half of that was engine weight (eliminating the v8) and I don't see them cutting another 40+ lbs on a turbo inline 6 to turbo inline 6 evolution with comparable displacement.

Another big contributor was composite materials - like the carbon fiber drive shaft that was discontinued due to cost and structural integrity.

Always room for weight saving there but seems like the trend is more cosmetic - what would happen to m performance parts and special edition models (comp package, GTS, CSL, etc) if the car came standard with a ton of light material?

They will cut weight with new technology and as mentioned added composite material. If new gen will have an all wheel drive system similar to the m5 than yes weight reduction will be a lot less but I’m sure they will manage to keep it similar to the current F80 gen if not lighter.

CF driveshaft ran through end of production F80 and I believe still being offered in the m4. So never been officially discontinued.

Models like the cs, gts, etc.. they will improve the chassis and slightly increase power and again add lighter materials like a CF hood.
I'm standing by the discontinuation of the carbon fiber drive shaft in 2017. See below:

https://f80.bimmerpost.com/forums/sh....php?t=1411862
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      01-10-2019, 01:54 PM   #25
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Complete S55 TTI6 is same weight or a few kg more than S65 V8 FWIW...
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      01-10-2019, 02:34 PM   #26
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Quote:
Originally Posted by auggiem3 View Post
I'm standing by the discontinuation of the carbon fiber drive shaft in 2017. See below:

https://f80.bimmerpost.com/forums/sh....php?t=1411862

yes, but if you read through the post there is no reported steel shafts and all have been past the November production.
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      01-10-2019, 03:45 PM   #27
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Quote:
Originally Posted by 4DRS55 View Post
Quote:
Originally Posted by auggiem3 View Post
I'm standing by the discontinuation of the carbon fiber drive shaft in 2017. See below:

https://f80.bimmerpost.com/forums/sh....php?t=1411862

yes, but if you read through the post there is no reported steel shafts and all have been past the November production.
When did you stop reading? Many reported steel driveshafts on that thread.

Advance to the last page (41 as of now) and work back.
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      01-10-2019, 11:36 PM   #28
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Quote:
Originally Posted by auggiem3 View Post
When did you stop reading? Many reported steel driveshafts on that thread.

Advance to the last page (41 as of now) and work back.
I stand corrected you are right didnít read that far.
edited my original response...
After I confirmed I had the CF driveshaft on my 18 and read others after November production had CF driveshaft, didnít follow up on the thread.

Last edited by 4DRS55; 01-10-2019 at 11:41 PM.
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      01-11-2019, 07:57 AM   #29
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Quote:
Originally Posted by 4DRS55 View Post
Quote:
Originally Posted by auggiem3 View Post
When did you stop reading? Many reported steel driveshafts on that thread.

Advance to the last page (41 as of now) and work back.
I stand corrected you are right didn’t read that far.
edited my original response...
After I confirmed I had the CF driveshaft on my 18 and read others after November production had CF driveshaft, didn’t follow up on the thread.
No worries - glad you got one of the CFRP driveshafts. Cool feature and, IMO, one of the standout evolutionary design features on the F8X cars.

Like the carbon fiber roof on the E9X or the quad exhaust on the e46 M3.
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      01-15-2019, 02:13 PM   #30
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I fear the standard car will need to be a little heavy to keep room for lightweight specials.
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      01-28-2019, 04:56 PM   #31
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I think the G20 is 121lbs lighter than the F30:

https://jalopnik.com/the-bmw-m340i-d...-ma-1830405871

The F90 M5 is 45lbs lighter than the F10 M5 even with AWD.

https://www.roadandtrack.com/new-car...6/2018-bmw-m5/

The 992 is heavier mostly because the entire car has been engineered to accept a hybrid powertrain.

Most likely, if a similar fate were to befall the G80, we'd have seen some weight gain in the base G20.

I don't think we'll see the same 121lbs savings that the G20 got, since the F80 already has some of the aluminum parts that enabled the G20 to get that low. But I also don't expect a huge weight gain over the current car.
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      02-04-2019, 08:42 AM   #32
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Quote:
Originally Posted by Mo@BMWofFairfax View Post
Comparing a 911 to an M3/M4 isn't fair. The 911 is a Sportscar while the M3/M4 can only really be classified as a sports sedan and a sports coupe. Good ones, but still.
Agreed, but in years past the M3 was often compared to the 911 and often trounced the Porsche.... I guess journalists saw the M3 as a viable competitor, and I think it still is/can be.... The next generation promises to bring them closer than ever, at a reasonable price
(I hope). Speaking of price, I think the CS price point moves the BMW far too close in cost to the 911 but unfortunately the only comparisons I'm aware of (with the Porsche) are with the GTS, a far more expensive entry...I'm rambling....
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      02-04-2019, 03:11 PM   #33
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Quote:
Originally Posted by Ilikemike View Post
Agreed, but in years past the M3 was often compared to the 911 and often trounced the Porsche.... I guess journalists saw the M3 as a viable competitor, and I think it still is/can be.... The next generation promises to bring them closer than ever, at a reasonable price
(I hope). Speaking of price, I think the CS price point moves the BMW far too close in cost to the 911 but unfortunately the only comparisons I'm aware of (with the Porsche) are with the GTS, a far more expensive entry...I'm rambling....
It trounces the Porsche because it has more room and it can be used as a daily driver more so than the P-Car can. The M3/M4 serve a different purpose than the 911 does. The 911 is lower and more oriented towards the sportier aspect of things.
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      02-04-2019, 10:29 PM   #34
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Quote:
Originally Posted by Mo@BMWofFairfax View Post
It trounces the Porsche because it has more room and it can be used as a daily driver more so than the P-Car can. The M3/M4 serve a different purpose than the 911 does. The 911 is lower and more oriented towards the sportier aspect of things.
Exactly. Anyone who has the means for a 911 and doesn't require practicality buys a 911. The M3/M4 is a great car, but a compromise.
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      02-11-2019, 07:04 PM   #35
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Based on the new 3-series, I would think the M3 would be longer and bigger.
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      02-12-2019, 11:26 AM   #36
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Quote:
Originally Posted by tallshortguy View Post
Quote:
Originally Posted by alex2364 View Post
Every new M3 has grown in size and weight so I don’t see why this new one wouldn’t. The G20 330i is heavier than F30 330i.
They said it's down over 100lbs similarly equipped.
Actually they said the CHASSIS is down 100 lbs, but equipped it's up 100 lbs with all the new stock options, and that's before you add extras!

The key for me is that the M5 managed to be half a foot longer, AWD, and Torque converter ZF8 and has the same weight as an e60. That's impressive even if we are talking 4K lbs. the M6 GTE weighs 2800 lbs, so you can see the price of luxury is weight. BMWs current market for M cars is actually the luxury market.m, the sports car aspect is just marketing flavor at this point.

And such I predict the M3 pure will weigh 3550 lbs and the M3 base will clock in at 3800 lbs with AWD and that fat transmission. Impressive though as it's the same size as the e60!

BMW doesn't compete with Porsche anymore. M2 is close but underpowered, and M4 is very big to be considered a 911 competitor.
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      02-14-2019, 11:04 PM   #37
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It means regarding weight, Porsche is honest on this one and BMW traditionally has been not.
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