No Gears The fault affects the semi auto version of the 454 Forfour This fault is becoming more and more wide spread. Not being a Forfour owner myself, I had no dealings with it but the fault is very similar to a fault on the 451. Ozzy site reader Chris had issues...
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
Forfour Belt Tensioning
How to adjust the belt tension via the alternator.
Forfour Bixenon Headlights
A lot of people are complaining about the Forfour headlights. Here is a great way to sort that out.
Forfour Brabus ECU Pin Out
ECU Pin Number Wire Colour Function/Connection 1 2 3 4 5 6 7 Green/White Throttle body pin 6 (+) 8 Yellow/Blue Injector 1 9 Yellow/Red Injector 2 10 Black/Blue Coil Pack 1 11 12 Blue/Yellow Camshaft Rotation Sensor Data 13 Green/Orange Camshaft Rotation Sensor Signal...
Forfour Earth Upgrade
Very popular with Ricers. Upgrading the engine earth can release more power and torque from your engine, make your stereo sound better and increase your MPG.
Forfour Engine Cover
If you want to get to the tasty parts of the forfour engine you’ll have to take off the cover.
Forfour Foglight Change
How to change the fog light bulbs on a smart forfour 454
Forfour Fuel Filter
Forfour With A Petrol Engine None of the petrol engined Forfours have a fuel filter that can be changed during a service. 1.1 Petrol - No fuel filter 1.3 Petrol - No fuel filter 1.5 Petrol - No fuel filter 1.5 Brabus - No fuel filter The fuel filter is part of the...
Forfour Fuel Gauge Fault
What Are The Symptoms? If your fuel gauge on your 454 forfour is flashing, or the fuel level moves up and down for no reason, there is a good chance that it's a problem in the speedo. The issue is the same as we have seen in the dash pods on the 450 fortwo. Wide...
Forfour Interior Light Change
How to change the 2 interior courtesy light bulbs
Forfour Rear Bearings
Bearings eventually start to fail and become noisy and need changing
Forfour SMD LEDs
The For4, like the Roadster, uses a lot of SMD LEDs for lighting. While these can be harder to change than the twist fit bulbs, it's not impossible and the results can look a lot more impressive.
Forfour Spark Plug Specs
What spark plugs do you need?
Forfour Speedo Pin Out
Forfour Speedo Pin Out Pin Number Wire Colour Connects To 1 Green CAN Bus Distributor Pin 16 (CAN bus low) 2 Green/White CAN Bus Distributor Pin 5 (CAN bus high) 4 White/Blue Fuse Box Connection K17 5 Green/Red Multiway Connector Pin C19 6 Black/Blue Fuse Box...
Forfour Throttle Body Clean
The throttle valve actuator (TVA or throttle body) is a weak point for the Forfour, let's fix it.
Forge 451 NA TIK
The 4th product from the Evilution/Forge Motorsport partnership. Airbox to throttle body silicone pipe for the non turbo 451.
Forge DVIC
Evilution and Forge Motorsport team up once again for another quality product
Forge Intercooler Pipes
These silicone pipes replace the rigid plastic pipes to and from the intercooler. They have a wide bore and smoother internal walls which allow a better flow of air.
Forge TIK Pipe
A new Silicone TIK pipe from Forge Motorsport, lets have a close look at this new upgrade, fitted to OTVs For2.
Fortwo 451 Roof Damage
Clear Polycarbonate Roof Problems There is an inherent problem with all of the clear plastic roofs fitted to smarts. Most 451 coupe owners will notice that tiny cracks appear in the plastic. The cracks can't be felt as they are internal and although it's very rare,...