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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions M340i Weight Increase

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      03-31-2019, 12:44 PM   #1
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Anyone notice how the M340i has silently gotten a lot heavier? bmwusa.com specs say the M340xi curb weight is 3968lbs. BMW seems to be bragging about the new CLAR architecture reducing weight in press releases, but in the end they still went up.

Some stats. F30 curb weights from edmunds.com, G20 curb weights from bmwusa.com. All automatic weights.
  • F30 330i: 3541 lbs
    G20 330i: 3589 lbs (+41lbs)
  • F30 330xi: 3706 lbs
    G20 330xi: 3772 lbs (+66lbs)
  • F30 340i: 3695 lbs
    G20 M340i: 3849 lbs (+154lbs)
  • F30 340xi: 3820 lbs
    G20 M340xi: 3968 lbs (+148lbs)

Last edited by RPM1123; 03-31-2019 at 02:10 PM..
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      03-31-2019, 03:08 PM   #2
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That’s not cool. I thought it was a weight reduction of 121 lbs. (??).

I think the diesel version will have the biggest reduction.

Found this on jalopnik:

Quote:
It’s worth mentioning that the new 2019 330i’s 3,582 curb weight is actually more than what BMW has listed on its media site for the 2018 automatic 330i: 3,541. The same holds true for the xDrive variants: 3,764 vs 3,706.

I’ve asked BMW why this is the case, and the company hasn’t yet responded; I’d guess it has to do with the qualifier “similarly equipped.” The new car probably comes standard with more features, but remains lighter overall.
So get a RWD white car with NO options?! G80 will probably be heavier too, but close to 500HP?! The F90 is 80 lbs lighter than predecessor!

Last edited by BigSky702; 04-01-2019 at 07:10 AM..
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      03-31-2019, 03:35 PM   #3
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Quote:
Originally Posted by BigSky702 View Post
That’s not cool. I thought it was a weight reduction of 121 lbs. (??).

I think the diesel version will have the biggest reduction.
Official figures for the European model G20 330i sedan do show a reduction in weight, compared to the F30.

BMW data/technical specifications:

F30 330i AT: Weight, unladen, to DIN/EU kg 1495 / 1570
G20 330i AT: Weight, unladen, to DIN/EU kg 1470 / 1545

Our EU 320d sedan increases 5kg. That is due to having the bi-turbo engine. Without weight reductions in the G20, it would mean an increase of about 25kg, as the bi-turbo has a penalty of about 30kg over the single VGT turbo engine in the F30 320d.

Last edited by HighlandPete; 03-31-2019 at 03:50 PM..
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      03-31-2019, 04:06 PM   #4
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To put it into perspective, a 2019 540xi weighs 4072 pounds. The fact that an M340i is only a hundred pounds behind that is pretty crazy.
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      03-31-2019, 04:23 PM   #5
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Honestly that's insane. This whole time I thought It was lighter as well. Most the articles I read mentioned the 121 lbs weight reduction. But it's all Hoax , shame on you BMW ! I hope some of those numbers are wrong, because if my new M340i is 154lbs more than last years 340i , I'll snap
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      03-31-2019, 04:25 PM   #6
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Quote:
Originally Posted by RPM1123 View Post
To put it into perspective, a 2019 540xi weighs 4072 pounds. The fact that an M340i is only a hundred pounds behind that is pretty crazy.
The CLAR platform may be intrinsically lighter but we don't know the weight of the new B58 TU.
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      03-31-2019, 04:26 PM   #7
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Supposedly a 25% reduction in weight with the B58... *IF* that’s true!
Going to need a tune to balance out that weight!! Both HP and torque need an increase!!

OP: Are your stats referring to “similarly equipped “ 340ix and m340ix?
Keep in mind the new gen has a lot of standard items that were optional before.

Last edited by BigSky702; 03-31-2019 at 05:19 PM..
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      03-31-2019, 05:41 PM   #8
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its for a similar spec car though.

I know for the F30 the moonroof wasn't standard, and since its standard now, all the cars weigh more base. My 328i didn't have a moonroof, and thats probably 80-100lbs extra by itself. The f30 also came base with 17" wheels. So whatever the difference there is going to be added as well. Probably 5-7 lbs per wheel.

The increase on the 340i will be even more because the m340i has the LSD and m sport brakes and other things standard the old 340i didnt have base. Also a nav system which no doubt adds a few pounds. it all adds up.

Sad thing is this probably doesn't bode well for the m3 given all the stanard equipment its likely to have I won't be shocked when the m3 weighs in at 4000lbs base for the m xdrive version.

Last edited by hans007; 03-31-2019 at 05:48 PM..
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      03-31-2019, 07:10 PM   #9
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Quote:
Originally Posted by RPM1123 View Post
Anyone notice how the M340i has silently gotten a lot heavier? bmwusa.com specs say the M340xi curb weight is 3968lbs. BMW seems to be bragging about the new CLAR architecture reducing weight in press releases, but in the end they still went up.

Some stats. F30 curb weights from edmunds.com, G20 curb weights from bmwusa.com. All automatic weights.
  • F30 330i: 3541 lbs
    G20 330i: 3589 lbs (+41lbs)
  • F30 330xi: 3706 lbs
    G20 330xi: 3772 lbs (+66lbs)
  • F30 340i: 3695 lbs
    G20 M340i: 3849 lbs (+154lbs)
  • F30 340xi: 3820 lbs
    G20 M340xi: 3968 lbs (+148lbs)
So larger and heavier and no MT. BMW has spoken
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      04-01-2019, 12:12 AM   #10
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Quote:
Originally Posted by RPM1123 View Post
Anyone notice how the M340i has silently gotten a lot heavier? bmwusa.com specs say the M340xi curb weight is 3968lbs. BMW seems to be bragging about the new CLAR architecture reducing weight in press releases, but in the end they still went up.

Some stats. F30 curb weights from edmunds.com, G20 curb weights from bmwusa.com. All automatic weights.
  • F30 330i: 3541 lbs
    G20 330i: 3589 lbs (+41lbs)
  • F30 330xi: 3706 lbs
    G20 330xi: 3772 lbs (+66lbs)
  • F30 340i: 3695 lbs
    G20 M340i: 3849 lbs (+154lbs)
  • F30 340xi: 3820 lbs
    G20 M340xi: 3968 lbs (+148lbs)
I didn't get a chance to compare the 340i weights but this is what i've been trying to tell everyone. you won't realize that 121lbs weight savings unless you strip the car for racing.

it's a big car that really challenges the definition of sports sedan
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      04-01-2019, 12:25 AM   #11
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The problem is that you're comparing a well optioned car (M340i) to minimum base car weights that no one actually buys.

The advertised weight for the F30 330i might be 3541 lbs, but I bet the vast majority of 330i cars in the wild weigh significantly more. Think about adding seat heaters, bigger wheels, bigger brakes, more electronics equipment, more power seat motors, sunroof hardware, all the cameras and sensors and wiring for the new tech options, etc. That stuff combined can easily weigh 200+ lbs.

I bet that the true weights (comparably equipped cars) are truly lighter or at least close in weight.

If your F30 has a lot of options, it simply does not weigh anywhere close to what the advertised minimum curb weight is.
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      04-01-2019, 04:00 AM   #12
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Quote:
Originally Posted by upsidedownfunnel View Post
I bet that the true weights (comparably equipped cars) are truly lighter or at least close in weight.

If your F30 has a lot of options, it simply does not weigh anywhere close to what the advertised minimum curb weight is.
That is why I posted the EU figures, will be base cars in both F30 & G20. The figures show a 25kg saving on the 330i AT.

Totally agree on optioned cars, we typically run well over the posted weights.
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      04-01-2019, 12:47 PM   #13
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Also, C&D review units (closer to reality and loaded for reviews):
2019 330i xDrive: 3709lbs
2016 328i xDrive: 3700lbs (fully loaded)
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      04-01-2019, 12:51 PM   #14
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Quote:
Originally Posted by anotheran View Post
Also, C&D review units (closer to reality and loaded for reviews):
2019 330i xDrive: 3709lbs
2016 328i xDrive: 3700lbs (fully loaded)
Haha, I love your signature....thermo mug and dtm cap.
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      04-03-2019, 01:48 AM   #15
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Quote:
Originally Posted by anotheran View Post
Also, C&D review units (closer to reality and loaded for reviews):
2019 330i xDrive: 3709lbs
2016 328i xDrive: 3700lbs (fully loaded)
Fully loaded 2016 328 is nowhere nearly as loaded as 2019 330i...
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      04-03-2019, 08:23 AM   #16
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Overall the straight line performance will be improved as it's a significant power bump. And for a car that most will spend on the streets, it's probably not a big deal.

That being said, people shouldn't be defending the weight of this car. Regardless of the options, almost 4K pounds for an M340xi is high. The last gen S4 was always called a pig and that is the same weight.

So the M340xi is also a pig but I'm ok with that as a street car.
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      04-03-2019, 03:16 PM   #17
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so from my point of view there is no point buying 340 ... either 330 or m3. 330 is probably fine dd and if you want handling and power get m3. 340 is a pig with ugly digital dash
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      04-03-2019, 03:27 PM   #18
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Quote:
Originally Posted by Smooth 330i View Post
so from my point of view there is no point buying 340 ... either 330 or m3. 330 is probably fine dd and if you want handling and power get m3. 340 is a pig with ugly digital dash
I would reserve my final judgment until they test 340 RWD with non-metallic paint and none of the extra parking packages on non RFT tires. But yeah so far it looks that way
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      04-03-2019, 03:35 PM   #19
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Originally Posted by MT4life View Post
I would reserve my final judgment until they test 340 RWD with non-metallic paint and none of the extra parking packages on non RFT tires. But yeah so far it looks that way
This is getting more confusing by the day!!!

Hopefully the test drive of the M340 proves otherwise...
I’m going to price out the M550i once again, if the lease numbers are close it’s a no brainer!
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      04-03-2019, 03:36 PM   #20
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Quote:
Originally Posted by Smooth 330i View Post
so from my point of view there is no point buying 340 ... either 330 or m3. 330 is probably fine dd and if you want handling and power get m3. 340 is a pig with ugly digital dash
don't they all have a digital dash?

and based on the weight of the 340i.... won't the m3 just be ... uh a more expensive pig with more power?

I'm not personally a fan of the look of the m340i, but its absolutely fills a spot between the m3 and 330i performance wise. Not to mention if you did want a 6 cylinder automatic RWD bmw, its looking like the m3 might not be offered in that, so it has that going for it.
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      04-03-2019, 03:41 PM   #21
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Quote:
Originally Posted by BigSky702 View Post
This is getting more confusing by the day!!!

Hopefully the test drive of the M340 proves otherwise...
I’m going to price out the M550i once again, if the lease numbers are close it’s a no brainer!
I don't what it costs to lease an M550 but if it's close to 340 you might as well get the biggest fastest in a straight line pig money can buy
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      04-03-2019, 03:54 PM   #22
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Quote:
Originally Posted by hans007 View Post
Quote:
Originally Posted by Smooth 330i View Post
so from my point of view there is no point buying 340 ... either 330 or m3. 330 is probably fine dd and if you want handling and power get m3. 340 is a pig with ugly digital dash
don't they all have a digital dash?

and based on the weight of the 340i.... won't the m3 just be ... uh a more expensive pig with more power?

I'm not personally a fan of the look of the m340i, but its absolutely fills a spot between the m3 and 330i performance wise. Not to mention if you did want a 6 cylinder automatic RWD bmw, its looking like the m3 might not be offered in that, so it has that going for it.
as far as I've read 330 has an analog dash option with the proper rpm layout and also pure exhaust design vs finishers

the m3 will have weight saving tech hence why they will charge more but yeah overall it seems as if it will be heavier than f80 but probably lighter than 340
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