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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions If youíve test driven or taken delivery of an M340i, share your impressions

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      10-28-2019, 02:56 PM   #287
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Originally Posted by bimmer456 View Post
M340 is faster to 60 than rs400. BMW underrates their engines.
Any idea what the actual HP is? I've searched in the past with little success.
I've seen stock dyno runs of above claimed horsepower at the wheels so it could be over 400 HP at the crank. It is also the transmission gearing that allows for faster off the line acceleration.
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      10-28-2019, 03:00 PM   #288
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I've seen stock dyno runs of above claimed horsepower at the wheels so it could be over 400 HP at the crank. It is also the transmission gearing that allows for faster off the line acceleration.
Makes sense. The transmission in the Q50 is a bit weak, not built for 400 hp being sent from the motor.
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      10-31-2019, 01:57 PM   #289
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Originally Posted by coladin View Post
My biggest takeaway after 10 days is this car does not beat you up as a DD. I am really enjoying that aspect coming from my C43.

Next , is how sloppy the auto stop/start is. I can only liken to the sensation of driving a manual car and almost stalling because you are in the wrong gear when you are coming to a stop. Going to try and figure it out before I disable it.

Only 500kms so far and stunned about a 2000km break-in, so hard to stay within the parameters. I think I will chop that in half, although I am a ownerís manual is the bible so to speak. But even exploring the midrange, this car is a good chunk quicker than my C43.
I just picked up my 340i on Saturday and my partner took it on an overnight work trip for two days, so my seat time has been pretty limited. But I have to say that the auto stop/start has actually been better than I expected. It's certainly better than in my previous F30. I haven't felt as compelled to disable it yet. Maybe things will change as I get more time in the car. There are some small differences from long-established BMW ways of doing things that I don't particularly like, but overall I think it's a great car and a very nice update. The overall experience actually reminds me of the E39 M5 when used as a DD, minus that car's awesome steering (and sound).
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      11-07-2019, 07:14 AM   #290
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have had my car 3-4 months now and i love it, have had 2 328 m sport previous and this was such a nice upgrade. car is amazing i love how it drives /handles. love the sound and looking forward to adding DP and tune. also the new tech has been one of my favorite upgrades bigger screen and cool features . car just feels like a great quality car that was well built.
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      11-07-2019, 04:28 PM   #291
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Iíve had my M340i 2 weeks now and l love it.

Iíve been piling on the mileage with a family holiday and some business trips but the car takes it all in its stride and makes long journeys seem so effortless. The build quality and finish is a league above my previous F30 335d and the cabin is a very nice place to be. The engine is magnificent and the car is very quick when pushed, lím even getting well over 30mpg which is better than I expected.

Whatís not to like.
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      11-09-2019, 01:45 PM   #292
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My last car was a '16 340, and I picked up my M340 last week. I have 900+ miles including 400 miles to NorCal. It is truly a "New Generation" from the last; actually it seems like a 10 year step forward. That said, the auto tranny is showing its age; it doesn't compare to the Porsche PDK in any way.

I did not get adaptable suspension, and find that I just get a 'hint' of the bumps. Like Goldilocks said, "Not too hard, not too soft". If you have any thoughts that you might ever want "autopilot", get it. Driving North I probably over rode it once or twice. I do that on my wife's Tesla every 15-20 minutes.
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      11-11-2019, 12:50 AM   #293
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Have 2k miles and several 1/4 passes on my well equipped m340i now.

Performance is better than my previous f30 340i by far, the laser lights and auto high beam are very noticeably better than the f series led, the autopilot is whatever I rarely use it, gesture control is a gimmick and overall it's a much quieter and better composed car, I do have adaptive suspension on 792m 19s and I find the firmness a little on the rougher side in comfort mode.

I tell everyone this, there's always things bmw can do to make these cars better and we can nitpick whatever, but it's just so much better all around than what anyone else is doing imo.
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      11-11-2019, 10:01 PM   #294
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I've settled a few thousand miles into mine and took it out for a backroads rip this afternoon. I gotta say it is REMARKABLY fast. I gunned it from 25 to 130 and it just pulled the whole way there. Ridiculous. Feels as fast or faster than my E92 M3 the whole way there including M3 8400 rpm redlines. It's a little less planted but does a very good job of keeping you in control. I was even on my 235 square winter set!
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      11-12-2019, 07:48 AM   #295
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Imagine getting this car with 225's square setup, one of the biggest disappointment with this car. Takes more skill to drive car hard since it's more tail happy with these tiny tires.
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      11-12-2019, 12:52 PM   #296
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The more I drive it, the more impressed I get with the motor. This thing is seriously quick, and torquey. Still trying to brake smoothly to a stop with the auto start/stop. But I am near the end of trying to make it work and shutting it off. The main issue is the start stop coming on when you are not at a complete stop. Maybe it is something that can be adjusted at the dealer?
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      12-07-2019, 09:10 AM   #297
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Imagine getting this car with 225's square setup, one of the biggest disappointment with this car. Takes more skill to drive car hard since it's more tail happy with these tiny tires.
100% agree. Biggest and thankfully only issue other than Lane keep assist which I defeated are the pizza cutter 225s. Not sure how BWM could so massively under tire such a powerful car. I understand that sizing on a lower powered vehicle with 17s or 18s.

Only positive trade off I can see is they are better in the snow.
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      12-07-2019, 09:18 AM   #298
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M340xi 3700 miles.
Really like the car, previous car was 2016 340i.
New model is a big upgrade. The steering intervention is too aggressive. BMW should cut the intervention in half. The rear cross traffic does not work any where as well my kids Mazda CX5.
Other then that the car is awesome.
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      12-07-2019, 03:37 PM   #299
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^^^^ My last was a '16 340 too, and this car seems at least two generations more advanced. It seems intuitive that 400(+?) hp with small tires will oversteer without judicious application of power.

Both my old and new 340s have had 19" non rf Michelins. FWIW, I'm pleasantly surprised with the compliance and smoothness of the ride without the $700 "adaptable" suspension. I don't find it stiff at all, just beautifully dampened.
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      12-07-2019, 03:59 PM   #300
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Quote:
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Imagine getting this car with 225's square setup, one of the biggest disappointment with this car. Takes more skill to drive car hard since it's more tail happy with these tiny tires.
Isn't that simply a market specific issue? BMW UK spec' the M340i with the staggered wheel set, with 255 section rear tires. Are you on All-Season?
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      12-07-2019, 10:09 PM   #301
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Yep, got the car from out of state and didn't realize that cars from Texas would be spec'ed with all seasons. Either way, all seasons should not have used non staggered setup, nobody else does this. A car with this much power should have 255 rears at the minimum standard in 2019. 265 rears would be even better on this car.
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      Yesterday, 12:15 AM   #302
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Just took delivery of our Portimao Blue M340i and wow! What a difference from our 16 340i that we returned. I loved my F30, but BMW really improved the G20. I couldnít believe how tight and connected the car felt in Eco Pro mode of all things. The interior is leaps and bounds the F30.

I canít wait to get to know her better.
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      Yesterday, 12:51 AM   #303
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I understand everyone is still in "break in" period, but can someone give an initial impression? How does it compare to your previous BMW?
Better in every way. Iíve got 10k on the car get great funk economy 32-35mpg. I drive 100 miles round trip to work. Great handling, sporty, fast, handles well very nimble.
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      Yesterday, 10:32 PM   #304
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Quote:
Originally Posted by x986 View Post
^^^^ My last was a '16 340 too, and this car seems at least two generations more advanced. It seems intuitive that 400(+?) hp with small tires will oversteer without judicious application of power.

Both my old and new 340s have had 19" non rf Michelins. FWIW, I'm pleasantly surprised with the compliance and smoothness of the ride without the $700 "adaptable" suspension. I don't find it stiff at all, just beautifully dampened.
Glad to hear this about the standard suspension. I've been contemplating adding the adaptive suspension to my build since it's still in the early phase and able to be changed before going to production. Thinking I'll stick with my original build after reading others post similar experiences
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      Today, 12:06 PM   #305
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Glad to hear this about the standard suspension. I've been contemplating adding the adaptive suspension to my build since it's still in the early phase and able to be changed before going to production. Thinking I'll stick with my original build after reading others post similar experiences
Gdiddy,

I'm still not exactly sure what the 'adaptive' does. Does it actually stiffen or loosen the 'sport' suspension. BMW has taken the cheapest method of producing 'adaptive' suspension, and it has serious limitations.

But, I will promise you that the fillings you have in your teeth now will last the length of time you have the car without 'adaptive'. Please note in my post above; I do not have rf tires, so my promise is not "Money Back".
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      Today, 12:53 PM   #306
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Quote:
Originally Posted by x986 View Post
Quote:
Originally Posted by Gdiddy23 View Post
Glad to hear this about the standard suspension. I've been contemplating adding the adaptive suspension to my build since it's still in the early phase and able to be changed before going to production. Thinking I'll stick with my original build after reading others post similar experiences
Gdiddy,

I'm still not exactly sure what the 'adaptive' does. Does it actually stiffen or loosen the 'sport' suspension. BMW has taken the cheapest method of producing 'adaptive' suspension, and it has serious limitations.

But, I will promise you that the fillings you have in your teeth now will last the length of time you have the car without 'adaptive'. Please note in my post above; I do not have rf tires, so my promise is not "Money Back".
Interesting.
The M340i comes with m adaptive suspension as standard in the UK. It also comes with RFTs as standard as well, unfortunately.
I wouldn't consider buying a BMW on 19" rims to be driven on UK roads without adaptive suspension, tbh. I've had it on my last two BMW's and it transforms the ride.
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      Today, 02:51 PM   #307
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I have run flats and the standard suspension and have no issues with the suspension. It's not harsh at all, of course it's not your grand mother's Camry.
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      Today, 03:01 PM   #308
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It's all a matter of perspective and point of reference. For someone like me who came from an Infiniti Q50 (and a Lexus IS before that) both of which had very soft seats and soft suspensions, the standard suspension setup in the M340i is pretty shocking. I'm only now starting to get used to it a month into it. And even then my expectations get reset anytime I take out the X5 for a drive with its air suspension that makes it feel like it's gliding over bumps and imperfections.

I never bothered to try out the adaptive suspension but kind of wishing I had. Regardless, I'm not complaining. This car handles significantly better than my previous two, and that to me is well worth the extra bumps in my commute.
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