der Bayerische May/June 2020 - 17

Life with the 2020 G29 Z4 M40i

A profile shot of the G29.

Y

ou may have read all the
articles, seen all the YouTube
videos, and perused all the
online postings about the new Z4
M40i (G29) from all the "experts",
but what is it really like? In this
article we will give you our impressions of the G29 balanced against
our assessment of our 2006 Z4M
Roadster (M Roadster) and our 2014
M235i (M235i). All three cars have
been driven on the same roads in
West Virginia during Hard Charger
events. Hard Chargers are comprised of serious driving on challenging, tight-radius, back-to-back
curves with occasional long
straights. These roads are exceptionally smooth and usually have very
little traffic.
The following overviews of the
M Roadster and the M235i are a
good starting point to understanding
our perspectives on the G29.
The M Roadster was purchased
in July, 2007 with only 1,800 miles
on the odometer, and it currently has
137,000 miles. It is essentially a
stock vehicle with the exception of
upgrading to Bilstein B5 shocks and
replacing all the stock bushings with

May I June

By Gene and Robin Warren (ZSCCA Maryland Area Reps)
urethane bushings. All other "routine
maintenance" is up-to-date. The
M Roadster was our "learning" car,
and as we drove it on more and more
challenging roads, we became more
comfortable with its handling characteristics. The end result: we became
quicker and safer.
We ordered the M235i in
February, 2014 and took delivery of it
at the Performance Center in Greer,
SC that July. After I retired in July,
2016, it became my "hot rod". New
springs and bump stops from Dinan
were installed that resulted in lowering the front by ½"and the rear by 1".
A lower control-arm monoball kit was
installed along with Dinan front and
rear sway bars. Furthermore, a Dinan
Stage 2 engine upgrade along with
the performance exhaust were
installed. In short, it is one well
balanced "rocket". All this and it's
still a comfortable daily driver.
(These upgrades were Robin's idea,
by the way.) "This car leans lots more
in the curves than the M Roadster"
translates to "let's hot-rod the car".
Our general impressions of
the 2020 G29, as compared to our
M Roadster, are as follows:

* It is physically bigger than the
M Roadster (its direct comparison).
* It feels heavier.
* There is more room in the cockpit
area.
* The trunk is larger.
* There are lots and lots of
electronics.
* It has plenty of horsepower and
torque.
* The brakes are strong and I
have felt very little fade during
hard, technical driving.
* The transmission is very
intuitive with smooth and quick
downshifting and upshifting
* The transmission four modes:
Echo, Comfort, Sport, and Sport
Plus.
* It has a heads-up display.
* The fit-and-finish is good.
* The sounds coming through the
exhaust
are
intoxicating,
especially in Sport and Sport Plus
modes.
* Lowering and raising of the top is
accomplished quickly.
* There is less noise in the cabin
with the top up compared to the
M Roadster.

Driving impressions
Transmission:
The G29 only comes with an automatic transmission, while the other
two cars are manual six-speeds.
Thus, it is a little difficult to objectively compare this aspect of the cars.
Once the G29 was properly broken in,
I began to play with both the paddle
shifters and the gear selector to
change gears. It is very easy to get the
RPMs up quickly. Upshifting and
downshifting require more attention
when driving this car at "spirited"
velocities on technically demanding
roads. It is easy to come in "too hot"
in the curves. The M Roadster and
the M235i both provide that more
controlled, visceral feel that comes
from manually shifting the transmission. The Dinan engine upgrade on
the M235i provides more of a feeling
of quickness than the M Roadster, but
not as quick as the G29.
With the car in Sport mode, we
were very pleased with the G29's
automatic shifting. It seems to
rev-match when slowing for curves
and then it holds the gear to maximize
the power when coming out of a

17



der Bayerische May/June 2020

Table of Contents for the Digital Edition of der Bayerische May/June 2020

No label
Intro page
PRESIDENT’S MESSAGE
THE STEERING COLUMN
CALENDAR OF EVENTS
COMING EVENTS
January 2020 DIY at Bimmer Works
NCC's 2020 Annual Meeting and Banquet
Matt Curry's Craftsman Auto Care Sponsor Spotlight
Why My Family and I Will Always Drive BMWs
Life with the 2020 G29 Z4 M40i
A BMW Performance Center Delivery Story
Window Tint Can Protect Your Health
The Difference Between Wants and Needs
The Habits of Highly Effective Autocrossers: Interview-Jeff Noyes
NEW MEMBERS LIST
der Bayerische May/June 2020 - Intro page
der Bayerische May/June 2020 - Cover1
der Bayerische May/June 2020 - Cover2
der Bayerische May/June 2020 - 1
der Bayerische May/June 2020 - PRESIDENT’S MESSAGE
der Bayerische May/June 2020 - THE STEERING COLUMN
der Bayerische May/June 2020 - CALENDAR OF EVENTS
der Bayerische May/June 2020 - COMING EVENTS
der Bayerische May/June 2020 - January 2020 DIY at Bimmer Works
der Bayerische May/June 2020 - 7
der Bayerische May/June 2020 - NCC's 2020 Annual Meeting and Banquet
der Bayerische May/June 2020 - 9
der Bayerische May/June 2020 - 10
der Bayerische May/June 2020 - 11
der Bayerische May/June 2020 - Matt Curry's Craftsman Auto Care Sponsor Spotlight
der Bayerische May/June 2020 - 13
der Bayerische May/June 2020 - 14
der Bayerische May/June 2020 - Life with the 2020 G29 Z4 M40i
der Bayerische May/June 2020 - 16
der Bayerische May/June 2020 - 17
der Bayerische May/June 2020 - 18
der Bayerische May/June 2020 - 19
der Bayerische May/June 2020 - 20
der Bayerische May/June 2020 - A BMW Performance Center Delivery Story
der Bayerische May/June 2020 - 22
der Bayerische May/June 2020 - 23
der Bayerische May/June 2020 - 24
der Bayerische May/June 2020 - Window Tint Can Protect Your Health
der Bayerische May/June 2020 - 26
der Bayerische May/June 2020 - 27
der Bayerische May/June 2020 - The Difference Between Wants and Needs
der Bayerische May/June 2020 - 29
der Bayerische May/June 2020 - 30
der Bayerische May/June 2020 - The Habits of Highly Effective Autocrossers: Interview-Jeff Noyes
der Bayerische May/June 2020 - 32
der Bayerische May/June 2020 - 33
der Bayerische May/June 2020 - 34
der Bayerische May/June 2020 - NEW MEMBERS LIST
der Bayerische May/June 2020 - 36
der Bayerische May/June 2020 - Cover3
der Bayerische May/June 2020 - Cover4
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