The standard oil filter doesn't have anti drain back or a bypass valve, adding an adapter like this allows you to use better quality, cheaper and easy to obtain canister filters.
Smartmods
for all your modding needs, recommended by Evilution
Engine
Oil Catch Tank
Catches and condenses the burnt oil vapour from the crank case instead of pumping it into the engine.
Oil Coolers
Oil cooling is standard in the Roadster so it is a good idea if you have a modified fortwo to consider a form of oil cooler.
Oil Filter Adapter
The Smart original oil filter is rubbish, what can you do about it?
Oil Filter Magnets
As soon as you mention magnets and cars, people think about fuel magnets and stop listening but this has nothing to do with fuel and is a cheap but valid mod that was missed out during manufacture.
Oil Sump Pan Change
The sump pan is in a very exposed area so they are prone to damage and rust
Oil Sump Pan Testing
For many years, we (smartmods.co.uk) sold an oil sump with a drain plug for the 450 and Roadster. We bought them from a German manufacturer and they were excellent quality. The drain plug design was unique and allowed all of the oil to be drained from the sump. I'll...
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...
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...
Pipercross Venom And Viper
Billed as an induction kit, the Pipercross Venom and Viper kits are enclosed air filters with a cold air feed pipe.
Piston DV Servicing
Your dump valve has to put up with a harsh environment so every now and then it’s a good idea to give it a bath.
Retrofit a Charge Cooler
The Brabus roadster has a chargecooler which is a nice bit of kit but it's expensive isn't it?
Roadster AC Condenser Removal
Air conditioning is magic. It relies on a phenomenon where gas cools down as it expands. The compressor squashes the gas which heats it up. The hot gas passes through the condenser radiator at the front of the car to help cool it down. The cool gas passes through a...
Roadster AC Pipe Replacement
The Roadster has a nasty habit of snapping the air conditioning pipes.
Roadster Air Inlet Manifold Removal
The air inlet manifold is the black plastic part on the top of the engine that has "Smart - Powered By Mercedes Benz" ruining the top and making idiots think their car is a Mercedes. Remove the HT leads from the top spark plugs. Disconnect the fuel tank breather pipe...
Roadster Alternator Change
Get The Right Alternator When I initially fitted a replacement alternator to my Roadster it didn't actually work. I thought I had misdiagnosed the fault but actually I had been sold the wrong alternator for my car. On the smart there seems to be 6 different...
Roadster Belt Change
This page covers the AC belt and alternator/water pump belt. Air Conditioning Belt Look at the right hand side of the engine. It's not easy to see. Find the tensioner pulley wheel. Use a Torx45 bit to loosen the screw arrowed in the photo below. Push the pulley wheel...
Roadster Brake Master Cylinder
The brake master cylinder is what connects the movement of the brake pedal to the brakes of your car. It has the brake fluid reservoir sitting on top and it takes fluid from it and pushes it through 2 pipes into the ABS pump. From there, the pump splits the fluid into...
Roadster Brake Vacuum Booster
What Is The Brake Vacuum Booster? I have bad news for you. You aren't as strong as you think you are. You simply can't create enough power in 1 leg to stop a car. You would need a brake pedal 1 metre long for you to be able to apply the same amount of braking force...
Roadster Cam Shaft Removal
To get to the camshaft you have to remove the air inlet manifold and rocker cover. Take an E10 socket and remove all 8 of the bolts that hold the bearing caps to the engine head (12Nm on refitting). The bearing caps are the brackets that hold the camshaft to the...