How to change the 3 spark plugs in the fortwo 451.
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Kane Harrison
451 Spark Plug Specs
The new 451 uses Denso spark plugs as standard. Here is all the information about the OEM plugs.
451 Speaker Upgrade
Even the upgraded speakers on the 451 are rubbish, the system has a lot of potential so lets realise it.
451 Speedo Disassemble
Take the speedo apart to change the LEDs or swap the faces over.
451 Speedo LCD Invert
The black text on an amber background is the standard set up on the 451, be it the original or dumbed down version. You only get the nicer amber text on the black background if you have the trip computer. However, with a little work, a few simple tools and some large...
451 Speedo LEDs
How to change the SMD LEDs in the 451 speedo
451 Speedo Removal
Remove the speedometer to change the LEDs or the dial faces.
451 Spoiler Removal
There are very few reasons to remove the spoiler except for if it gets damaged or removed to bond a new spoiler to it, but here is the info anyway.
451 Standard Tweeters
Do you only have the standard door speakers, want the speaker upgrade? Read on.
451 Starter Motor Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
451 Steering Column Change
Remove the speedo, lower steering column cover, speering wheel and the dashboard. There are 2 straps holding the steering column bearings in position. Each has 2 bolts underneath. Look underneath the straps and you find a pair of Torx40 bolts, remove them. Same...
451 Steering Wheel Disassembly
451 Non Paddle Steering Wheel Remove the steering wheel. Remove the 2x Torx25 screws from the back. Remove the rear cover. Remove the 2x Torx25 screws now uncovered. Remove the front cover. (spray paint or vinyl wrap this if you want) Loosen all 3 of the Torx40 bolts...
451 Steering Wheel Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
451 Stereo LEDs
How to change the SMD LEDs in the 451 radio 9 and radio 10.
451 Stereo Removal
How to remove the new smart stereo in order to fit an aftermarket stereo or to fit an MP3 lead to the existing stereo.
451 Storage Flap Faults
If it doesn't close or rattles about, here is how to fix it.
451 Storage Flap Removal
The boot storage flap is one of those things that is going to get damaged. Over time it will get scratched on both sides or someone will install speakers in it (but that’s another mod).
451 Stuck In Park
The 451 generally came with the standard TipTronic layout but American 451s and all electric drive 451s had the fake PRND layout. They had the parking pawl which manually locks the gearbox when the shifter is in park. When you turn the ignition to position 1, it...
451 Sun Blind
Sun Blind Removal Look down each side of the sun blind, you will see 5 Torx20 screws. Remove them. The sunblind will now be removable from the car. Christian D rightly recommends sliding the blind all of the way forwards when removing. This will steady the runners on...
451 Suspension Change Front
Not quite as easy as the 450 as more needs to be removed and 2 special tools instead of 1