To conform to strict emissions standards, American 451 fortwos have a secondary mixing valve to quickly bring the CAT up to operating temperature.
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
P2359 451 CDI Fault
On the 54bhp Smart Fortwo diesel 451, there was yet another issue that caused safe/limp mode. You'll get the engine warning light come on and the engine will not rev over 3000rpm. If you bring the codes up on an OBD diagnostics reader, you'll probably get P2359 or...
Paddles Stopped Working
If your paddleshift has stopped working or is temperamental then here are a few tips
Paddleshift DIY
A few ways to make your own paddle shift and button shift steering wheel.
Paint Your Driveshafts
Drive shafts are rusty, the end.
Painted Roadster Lower Lights
Recently there have been a few people sticking vinyl over their Roadster lower lights, why not colour them properly.
Painting With Nail Varnish
It had to happen eventually, living with me rubbed off with a modification
Panel Scratch Removal
In 2017, a guy at work thought it was funny to stick this vinyl onto the back of my car. As we have to reverse into parking spaces at my work, I didn't see it until I went out the next day. He obviously doesn't know how vinyls work as he left the transfer film on the...
Panel Separation
This page currently focuses specifically on 1 model but the method is the similar for all models. Almond 450 Front Panels The front panels are comprised of 3 panels, 1 centre and 2 arches. Down each side are 6 sprung metal clips... ...and 4 Torx head screws. The...
Parasitic Electrical Drain
Battery going flat over a few days of the car not being used?
Parcel Shelf For Speakers
It’s an age old mod that can be seen in many modified cars:
Part Numbers
Work out the codes for different colour parts
PAS Controller Waterproofing
Problems Another thing that dies due to water ingress in the Roadster is the power steering controller. However, it also happens in the fortwo 450 although it's much less likely. The reason for the issue is the placement in the cars. This unit sits low in the footwell...
Patriotic Bonnet/Hood
Take
PCD, Offset, Centre Bore
Explaining these terms
Penetrating Fluid
There are loads of penetrating fluids on the market but why not make your own?
Performance Air Filters
Performance air filter options
Performing A Compression Test
A handy little test that you can perform at home to gauge the health of your pistons and bores.
Personal Links
Links to people and sites that we visit
Petrol 450 Engine Mounts
This is how to change the 3 engine mounts on the petrol 450 fortwo (600cc and 700cc). Side Engine Mounts Remove the bolts from the X-frame on either side and remove it from the car. You can just undo the top bolts and pull the x frame down to get some clearance...