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      11-23-2021, 01:26 PM   #1
kolosy
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non-acceleration differences between a 40 and an m50

I'm considering moving from my X3MC to an X5 M50. My primary motivation is interior size (family changes ) and ride quality of the MC. Chicago streets are garbage, and I'm getting tired of it, want something cushier.

I test drove an 40i, and that gave me a general idea of dimensions and whatnot, but my question is are there suspension or braking differences between the 40 and the 50? Brakes felt pretty numb to me on the 40. I drove an X7 M50 (my only option for trying the V8), but obviously that's not an apples to apples comparison.

tl;dr:

Does the M50 handle and brake differently than the 40e?
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      11-23-2021, 01:41 PM   #2
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Quote:
Originally Posted by kolosy View Post
I'm considering moving from my X3MC to an X5 M50. My primary motivation is interior size (family changes ) and ride quality of the MC. Chicago streets are garbage, and I'm getting tired of it, want something cushier.

I test drove an 40i, and that gave me a general idea of dimensions and whatnot, but my question is are there suspension or braking differences between the 40 and the 50? Brakes felt pretty numb to me on the 40. I drove an X7 M50 (my only option for trying the V8), but obviously that's not an apples to apples comparison.

tl;dr:

Does the M50 handle and brake differently than the 40e?
You note a 40e in the last sentence. Are you considering a 45e hybrid, a 40i, or a prior generation 40e?


For the 40i you'd have to get some options on it to normalize for standard features on the M50i. M-sport package would needed to be added to 40i to add m-sport breaks option. The m50i also comes standard with comfort seats with ventilation (wouldn't impact handling but just a consideration for interiors); you'd have to add comfort seat option on the 40i and the only way to get the ventilation on the 40i is to also upgrade the luxury seating option.

There will be some things I believe you cannot get on the 40i which will likely impact drive, but I don't have first had experience between the two to describe difference in feeling: m-sport differential comes on the M50i as well as an M-sport exhaust.

The M50i will also come with adaptive M-suspension instead of the regular dynamic dampers on the 40i (but I think getting m-sport package on 40i normalizes this too).

40i and 45e can be swapped in above compare, the 45e just has regen breaking, so someone with a hybrid will have to weigh in on how that feels with the various brake options on that car.
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      11-23-2021, 02:06 PM   #3
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You will also get HK standard on the M50 while you can't get it on the 45e and 40i.
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      11-23-2021, 02:11 PM   #4
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The M50i is smooth as silk in comfort and tightens up nicely in sport/plus. The M50i is great package and is far more than an absolutely outstanding V8.
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      11-23-2021, 02:21 PM   #5
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I have the X6M50i and I will say this about the breaking. It's damn hard to stop a 3 ton vehicle on a dime. I love the power. We test drove both the X4MC and our M50i for quite a bit on both test drives. Even though BMW only claims 20 more HP on the Hot V8 the torque is what you truly feel. 111 more Ft. Lb. is nothing to sneeze at. The ride on ours was great and pretty stable for the size of the vehicle. I did change out the springs to MSS adjustable because I wanted to lower the CG of the vehicle and thought it sat to high. good thing about the G05 is there are far more aftermarket parts out there than the G06.
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      11-23-2021, 02:33 PM   #6
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I have a X5 M50i with the dynamic handling package on order. It's the only trim you can get this option on. I haven't been able to test drive a car with DHP yet, but I did recently test drive a X5MC and X5 M50i back to back.

I went in thinking I was going to buy the X5MC, but holy cow that ride is rough, even in "street" mode. A lot of roads I drive on in CA are garbage.

The M50i on the other hand was like driving two different cars when you go between comfort and sport. As cool as the 22's look on it, I ordered it with the 20's. Not just for ride/comfort reasons, but the crappy roads too. Another plus for the M50i will be cheaper insurance over the X5MC
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      11-23-2021, 02:55 PM   #7
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Quote:
Originally Posted by Bearco View Post
I have a X5 M50i with the dynamic handling package on order. It's the only trim you can get this option on. I haven't been able to test drive a car with DHP yet, but I did recently test drive a X5MC and X5 M50i back to back.

I went in thinking I was going to buy the X5MC, but holy cow that ride is rough, even in "street" mode. A lot of roads I drive on in CA are garbage.

The M50i on the other hand was like driving two different cars when you go between comfort and sport. As cool as the 22's look on it, I ordered it with the 20's. Not just for ride/comfort reasons, but the crappy roads too. Another plus for the M50i will be cheaper insurance over the X5MC
did you ever look at an RRS? Wondering how the ride compares.
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      11-23-2021, 04:05 PM   #8
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Quote:
Originally Posted by kolosy View Post
did you ever look at an RRS? Wondering how the ride compares.
I don't know what that is?

This time around I didn't test other cars. The wife and I had our hearts pretty much set on BMW for this one. (First BMW too)

It's not that I don't like the X5MC, it was awesome, but I couldn't daily drive it. I have to make some long drives for work and it would be tiring.
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      11-23-2021, 04:21 PM   #9
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Quote:
Originally Posted by Bearco View Post
I have a X5 M50i with the dynamic handling package on order. It's the only trim you can get this option on. I haven't been able to test drive a car with DHP yet, but I did recently test drive a X5MC and X5 M50i back to back.

I went in thinking I was going to buy the X5MC, but holy cow that ride is rough, even in "street" mode. A lot of roads I drive on in CA are garbage.

The M50i on the other hand was like driving two different cars when you go between comfort and sport. As cool as the 22's look on it, I ordered it with the 20's. Not just for ride/comfort reasons, but the crappy roads too. Another plus for the M50i will be cheaper insurance over the X5MC
I drove all 3, 40i, M50i, and X5MC.
Agree with your appraisal of the X5MC, too stiff and a tad to much of an axious feeling with some guys may really like. The seats with the nearly vertical up lateral seat base bolsters are unbearable after 15 minutes.
The M50i is absolutely the sweet spot, would not consider the 40i or the X5M.
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      11-23-2021, 06:33 PM   #10
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X5MC dudes and dudettes, god bless them, have their love for Ms. lots of reasons.

The bad thing is that a damn tasteless “bucket of bolts” Tesla will put their pride into saddest misery.
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      11-23-2021, 06:35 PM   #11
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The 40i has several braking options...you may like one of the improved brake options if you found the base system deficient. Air suspension used to be optional across the board, but now is restricted. You might try a 45e...power/weight ratio is nearly identical to the 40i, and the weight is low down so that changes the feel.

The 50M is heavier than the 40i, so that changes the feel some.

IOW, there are lots of options to tailor the X5 more to your needs/desires, so without knowing your wants/needs, you may not have chosen to test drive one best optimized for you.
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      11-23-2021, 08:15 PM   #12
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Quote:
Originally Posted by kolosy View Post
I'm considering moving from my X3MC to an X5 M50. My primary motivation is interior size (family changes ) and ride quality of the MC. Chicago streets are garbage, and I'm getting tired of it, want something cushier.

I test drove an 40i, and that gave me a general idea of dimensions and whatnot, but my question is are there suspension or braking differences between the 40 and the 50? Brakes felt pretty numb to me on the 40. I drove an X7 M50 (my only option for trying the V8), but obviously that's not an apples to apples comparison.

tl;dr:

Does the M50 handle and brake differently than the 40e?

All G05 models - sDrive40i, xDrive40i, xDrive45e, 50i and M50i (2NH standard) equipped with 2NH M Sport brakes share identical braking hardware:

Any engine + Option 2NH (Blue or Red) and M50i: Fixed 4 piston 395x36 + 370x24, lightweight ventilated

https://g05.bimmerpost.com/forums/sh...74&postcount=3

Entire post if you're interested in reading about brake options on 5 Series, X5 and X7 vehicles:
https://g05.bimmerpost.com/forums/sh...4#post27179474


When it comes to suspension, sDrive40i/xDrive40i models equipped with ZMP (M Sport package) and M50i come standard with:

- 2VF Adaptive M electronic controlled dampers
- steel spring and strut suspension
- passive roll bars

M50i will have model specific kinematics and elastokinematics for the wheel suspension, independent suspension and damping settings. Also M50i comes standard 1MA M Sport Exhaust which is not available on USA 40i models except as an aftermarket BMW M Performance Exhaust upgrade.

One key and significant differentiator between 40i/45e and M50i models is: M50i comes standard with 2T4 M Sport Differential - Electromechanical regulated rear axle differential lock which provides torque vectoring.

A normal vehicle has a differential which distributes torque 50:50 left and right, and when the inside wheel slows down, the outside wheel speeds up by the right amount to keep pace. Torque vectoring is a kind of slew-steer – when cornering a wheel is deliberately driven slightly faster than it would otherwise be in order to aid the turn:

My xDrive and 2T4 write-up here:
https://g05.bimmerpost.com/forums/sh...2&postcount=16

M50i when equipped with ZDH Dynamic Handling Package will provide the most handling differentiation between 40i and standard suspension M50i models

ZDH Dynamic Handling Package adds:

2VW Adaptive M Suspension Professional
ZX5 Active Roll Stabilization
2VH Integral Active Steering

- 2VF Adaptive M is upgraded to 2VW Adaptive M Professional
- 2VW Adaptive M Pro influences the cornering behavior of the vehicle with added control of the ZX5 Active Roll Stabilization [electric active roll stabilization front (EARSV) and the electric active roll stabilization rear (EARSH)]

if you're interested in reading more about ARS, here's my detailed write-up:

BMW Active Roll Stabilization (ARS) provides continuous active roll stabilization
https://g07.bimmerpost.com/forums/sh...1&postcount=18

TL;DR - The electric active stabilizers reduce vehicle roll tendency while driving by targeted application of mechanical moments on the stabilizer halves by means of an electric motor. In straight-ways and driving over bumps, EARSV can fully decouple the left and right halves so that copy vibrations are almost eliminated and increases ride comfort.

And here's my detailed write-up on 2VH Integral Active Steering:

The More You Know: Integral Active Steering
https://g05.bimmerpost.com/forums/sh....php?t=1809008
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      11-23-2021, 08:57 PM   #13
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I tried air suspension and I didn't like the floaty feeling at all. In Canada, air suspension is available for the M50i, but I opted for the adaptive M suspension.

Even with the suspension in Sport, the ride is not harsh.

In regards to the M Sport Differential, I'm still breaking in my car and have not pushed it hard yet, can't will until next Spring!

Last edited by mmm50i; 11-23-2021 at 09:05 PM..
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      11-23-2021, 09:21 PM   #14
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It is a real shame that the Dynamic Handling Package is limited to the X5 M50i -- it really produces a different driving experience, especially the active roll stabilization. I think the X6 allows (or previously allowed, before chip shortage) the DHP option on the 40i version.
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      11-24-2021, 12:07 PM   #15
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Re: air suspension -- I'm not even seeing that as an option on the configurator at the moment...

Bearco RRS == Range Rover Sport.
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      11-24-2021, 12:19 PM   #16
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Quote:
Originally Posted by kolosy View Post
Re: air suspension -- I'm not even seeing that as an option on the configurator at the moment...

Bearco RRS == Range Rover Sport.
AH. My wife loves the big Range Rover. The Sport SVR is cool, BUT it's a range rover. I don't know of anyone that's not had an issue

I want to hopefully keep it for 5-6 years, I don't think any RR lasts that long?

Part of the M50i appeal to me is that it isn't on airbags. OEM's use such weak ones.
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      11-24-2021, 12:25 PM   #17
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Still trying to find one to drive around here and make sure I like the handling.

Is a '19 50i with M-Sport and DHP the same thing as a '21 or '22 M50 (or at least will it handle the same)? This one specifically:
https://monroneylabels.com/cars/4365...9&v=perillobmw
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      11-24-2021, 12:36 PM   #18
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I see no information here concerning long term maintenance between 50i and 40i engine package. Most if not all HOT "V" package, no matter what make, will have higher maintenance cost and top end notoriously cook parts on the top end. Even the newest TU version. Anyone out there have 75K to 100k miles one their 50i N63TU yet that can report out?? Are there some out there with 75K to 100K on 40i B58TU
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      11-24-2021, 12:53 PM   #19
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Quote:
Originally Posted by jcardea View Post
I see no information here concerning long term maintenance between 50i and 40i engine package. Most if not all HOT "V" package, no matter what make, will have higher maintenance cost and top end notoriously cook parts on the top end. Even the newest TU version. Anyone out there have 75K to 100k miles one their 50i N63TU yet that can report out?? Are there some out there with 75K to 100K on 40i B58TU
Exactly how do you know that the current BMW 4.4L twin turbo V8 will "cook parts on the top end"?
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      11-24-2021, 01:40 PM   #20
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Quote:
Originally Posted by kolosy View Post
Still trying to find one to drive around here and make sure I like the handling.

Is a '19 50i with M-Sport and DHP the same thing as a '21 or '22 M50 (or at least will it handle the same)? This one specifically:
https://monroneylabels.com/cars/4365...8;v=perillobmw
MY19 50i optioned with M Sport and DHP is as close as you'll get to a M50i optioned with DHP but without the upgraded engine.

MY20 50i was only available as a xLine model (ZMP M Sport package and DHP were dropped) when M50i launched that model year.

For USA market, DHP was available as an option for MY19 50i and MY20-22 M50i models:

MY19 ZDH Dynamic Handling Package included:

- 2NH M Sport Brakes (standard on MY20-22 M50i)
- 2T4 M Sport Differential (standard on MY20-22 M50i)
- 2VH Integral Active Steering (only available with DHP or MY19-20 with 2VR 2-axle air suspension)
- 2VW Adaptive M Suspension Professional
- ZX5 Active Roll Stabilization

MY19 50i ZMP M Sport Package included:

- 1MA M Sport exhaust system (standard on M50i)
- 2VF Adaptive M Suspension (standard on M50i) or ZDH - Dynamic Handling Package
- 337 M Sport Package (standard on M50i)
- 3DZ Without Lines designation outside (standard on M50i)
- 3MC Roof rails in High-gloss Shadowline (standard on M50i)
- 710 M steering wheel (standard on M50i)
- 715 Aerodynamic kit (standard on M50i)
- 760 exterior trim (standard on M50i)
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      11-24-2021, 01:46 PM   #21
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By putting the turbos close to the cylinders in the V of the V8, regardless of what you do, you will be concentrating heat there. Extremes in temperature put stress on things. There's only so much you can do to mitigate that. Time will tell.
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      11-24-2021, 02:47 PM   #22
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Quote:
Originally Posted by kolosy View Post
Still trying to find one to drive around here and make sure I like the handling.

Is a '19 50i with M-Sport and DHP the same thing as a '21 or '22 M50 (or at least will it handle the same)? This one specifically:
https://monroneylabels.com/cars/4365...9&v=perillobmw
FYI - I was debating between the 19 50i vs 20+ M50 -- I decided to get a 20 M50 just to have any learning re reliability designed into the newer engine; the extra output was not really a factor in my decision.

Also, my plan is to upgrade to the S68 engine in ~ 5-6 years when my current 20 M50 is ~ 7-8 years old. My guess is that the S68 will be BMW's last 8 cyl engine.
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