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[Bezza12345]

Hi, I'm interested in buying a one of these and was interested if it was possible to get power out of them. If you how much out of what modifications? I'm not interested in anything too over the top though. Probably just a cai,exhaust with decat and an ecu remap. What sort of power should i expect from these mods? Anything else anyone recommends? What is the performance like with mods?

[Big Brab]

Hi, if you go on the home page and then click on Show us your mods you can read lots of info anything from changing a airfilter to a full engine rebuild. The Smart Forfour Brabus also shares the same engine as the Mitsubishi Colt CZT lots of info can be found At www.rpw.com.au

Mitsubishi Ralliart Colt Turbo Z27A MY06-12
Mitsubishi CZT Colt (Europe)
Brabus Smart Four
4G15 1.5 DOHC 16v Mivec Turbo – 110kw
Performance Package Stage 1 –  140kw (Average)

This package covers the basic level of performance enhancements for improved performance.

2 1/2″ Cat Back Stainless Steel Exhaust System
Stainless Steel Front Pipe Kit
K&N Panel Filter
Blow Off Upgrade Recirculating Unit
Factory ECU Remapped for optimum Performance incl fuel, ignition, mivec and boost maps.
Expected Gains

Significant increase in torque and mid range throttle response with improvements in fuel Economy.
Flat spots removed and acceleration increased.
Decrease in turbo lag
Flatter and more controlled boost curve, smoother power delivery.
Performance Package Stage 2 – 190kw (Average)

This package continues from the Stage 1 for further improved performance and covers the majority of performance enhancements required for the majority of customers. This has the additional items

Stainless Steel Dump Pipe Housing
Under drive Lightweight Crank Pulley
Billet Waste gate Actuator 1.2 BAR (Upgraded over factory 0.8 bar actuator)
3 Port Boost Control Solenoid
Front Mount Inter-cooler Kit
Fuel Pump Upgrade
Factory ECU Remapped for optimum Performance incl fuel, ignition, mivec and boost maps.
Expected Gains

Further increase in torque and mid range throttle response over the stage 1 package.
Flatter and more controlled boost curve, smoother power delivery.
Reduction in boost spikes and maintaining higher boost levels above 5000 rpm.
More consistant power levels with increased inter-cooling effect and no more heat soak
This is the maximun limit of the stock injectors on the vehicle.
Performance Package Stage 3 – 200kw (Average)

This package continues from the Stage 2 and focuses on improved boost control at the high rpm. This has the additional items

Upper intercooler pipe kit
Induction Pipe Kit
Upgraded Injectors to 600cc Units (Standard 275cc Units)
Factory ECU Remapped for optimum Performance incl fuel, ignition, mivec and boost maps.
Expected Gains

Further increase in torque and mid range throttle response over the stage 2 package.
Flatter boost curve without as much drop off above 6000 rpm
Injector upgrade allowing to ensure adequate fuel supply under high loads.
Stock clutch can handle this level for short periods of time, but will require eventual clutch & flywheel upgrade.
Performance Package Stage 4 – 230kw (Average)

This package continues from the Stage 3 Package to suit the person who wants to push the stock internals of his engine to its maximum capability. Beyond this its time for some forged internals.

All items from Stage 3 Performance Package
Turbo Manifold Upgrade Steam Pipe design
TF035-14T Turbo Upgrade (Optional TD04 Turbo available)
Factory ECU Remapped for optimum Performance incl fuel, ignition, mivec and boost maps.
Expected Gains

Further increase in torque and mid range throttle response over the stage 3 package.
Flatter boost curve without virtually no drop off above 6000 rpm
This is the maximum limit of the stock internals on the engine, but requires a clutch and flywheel upgrade to avoid clutch slippage.

Enjoy.

[CrazyG]

I have to add to the above and say that fitting an FMIC to a ForFour
is not a simple job or one to undertake for the feint hearted as it is
or can be a bit of a mare as the ForFour does not have the 'space'
at the front that either the earlier Colt (2004-2007), or more so the
even greater space of the later 'extended nose' Colt (2007->).
In addition, it has been found that what works on the Colt does not
necessarily work on the Brabus ForFour.

Also, it would be wise to upgrade the brakes and suspension at each
step of any engine modification as it is a well known fact that a car
that handles well can out perform one with just engine modifications...
after all...roads have bends/corner etc in them.

Please note that there is also a guide to Brabus tuning here:-
http://www.forfour.co.uk/forum/index.php?topic=4739.0

[Problemchild]

i do have an FMIC for sale though that will be the easiest fit as its already been fitted 

remap = 195-200bhp
remap + exhaust and maybe manifold = 210-215bhp
remap + exhaust + manifold + FMIC = 220-225bhp
remap + exhaust + manifold + FMIC + hybrid turbo 230+

then you are into forged internals

i'd say an uprated clutch would be required on anything after 200bhp

JJ

[CrazyG]

.............i'd say an uprated clutch would be required on anything after 200bhp

Agreed...
But do take note that a paddle clutch is not necessarily the best way to go.
Sachs do an uprated clutch that is not paddle.
The S2smartsRacing Brabus has run all season with one of those,
and it has coped with the 260bhp/260+ft lb of torque without complaint
under the gruelling conditions that racing imposes on cars and their
transmissions.
I also have the same clutch in my Brab and it is no heavier to use/operate
than the standard clutch that it replaced !

[Bari87]

Hi together,

i'm doing now the ECU Remap for the Brabus and wanted to ask what would be a safe limit for continious power with stock engine internals?

My last run had already 267Nm (Mustang Dyno not Dynojet etc), with stock Hardware withou restriction pill. Now i have 2,5" exhaust and HJS HD EU5 200psi 4" Cat (behind the front axle, so that the oil want get heated).

We've coded a brand new ECU so i can easily switch between stock and tuned ECU.

My clutch is new but only the standard Sachs. Guess i should by in the next saison the Sachs Performance.

I have seen in PartsCatalog from Mitsubishi that the Z27A Ralliart (300Nm) has other connecting rods then the Z37A (210Nm) and have several reviews that the stock connecting rods wouldnt last long at >280Nm?

Thank you and best regards
Bari

[CrazyG]

I've searched high and low on the internet for a converter
for Nm to BHP or even Nm to PS   and I can't find any that
give a meaningful/acceptable answer when I try to convert
267Nm to BHP.
(According to factory figures, the Brabus gave 177bhp which
 is roughly the same in PS.  The Colt CZT only managed 147bhp)

I have seen numerous standard Brabus 454's on a dyno and they
do vary as expected, some as low as 170...others at 180 to 185.

The stock ECU is only capable of being remapped by anybody to
produce a 250bhp maximum, this is due to the electronic 'tables'
no matter what dyno figure is produced as they can be 'adjusted'.

Changing any exhaust has to be done carefully, as too large a
diameter will decrease the back pressure and may possibly have
an adverse affect on the scavenging of exhaust gasses from the
engine. An standard engine (standard turbo + manifold) will be
be more suited to a 2.25" than a 2.5" exhaust. (measured 95%
of the length of the system...excluding tailpipes diameters.)
Expect no more than 210 to 215bhp at the very best.

Having said all that, I question why you ask :-
"the safe limit for continuous power with stock internals?"
How long a time do you need the 'continuous' power for ?
What use do you have in mind for the car ?
Depending on the answers to those questions will dictate if
the standard Brabus conrods are adequate or not.

[Bari87]

Thank You for the answer. Sorry forgot the 'metric' units.

267Nm Torque is 197 ft lb.
First run gave me 165PS (not 177PS), after removing restriction pill it was 185PS.

Next run will be with the new exhaust/catalytic and the remapped ECU. Just was concernd that maybe i have already too much torque for the stock connecting rods and clutch.

Will report what the result is. For me, i dont chassing the most possible tuning, just a reliable amount of HorsePower/Torque.

Best regards
Bari

[Brabs]

Well Bari, if you want a reliable amount of torque, then IMO you could do worse than leave it as the ‘not too inexperienced’ Brabus tuners made it? I went out in my ‘standard tune apart from bunch of bananas stainless exhaust manifold’ Brabus yesterday and it went like stink. I understand that there are thousands of tuners out there and I totally respect that, but in these interesting times I think that there are more important things to spend cash on. However, it’s your car! 😉

[Bari87]

Yes, understand
For the tuner, i have good one which programmes himself and not just uploading a tuning file. He make the program exactly how i want too, for example more agressige E-Pedal etc.

Also we have programmed a new ECU, so i can switch easily if it would be necessary. But sure the new program is more driveable.

Its the last step (ok except new intercooler cause havent found something for SMIC), after 330x32 Brakes, KW Competition Series suspension and all suspension parts new (even the f***g rear axle bearings)

Best regards
Bari

[mituc]

First run gave me 165PS (not 177PS), after removing restriction pill it was 185PS.

So removing that hose from the EBCS actually does something. I am happy with the torque of the car for now but I'm not that happy with the top end. So I should try to disconnect the hose further from the electrical connector on the EBCS then...