As well as the manifold I would remove the intercooler & flush that along with all the pipes & hoses with it. If it hasn't been done you'll be surprised, along with the manifold, how much oil/sludge builds up in the 'system' helping it smoke,all the best.
 
1988smithy said:
Use the fuel cleaner as suggested above and make sure you take it a good run before MOT, get it nice and hot
Click to expand...
Good advice along with the manifold EGR and MAP clean, give it a good ten mile run on the day of the MOT thrashing the living daylights out of it, an Italian tune arriving 5 minutes before you MOT is due the engine will nice and hot giving the best smoke reading

I have two FL2 and drop a bottle of this in twice a year once in the spring and then Autumn, reason why i buy four.

You can just go for one or two.

www.ebay.co.uk

2 x COMMA CAR DIESEL MAGIC ONE TREATMENT CLEANS DIESEL INJECTOR 5055415917387 | eBay

Comma Diesel Magic. Lubricates fuel and injector pump. A highly concentrated fuel additive, which rapidly removes harmful deposits for use in diesel powered vehicles. 400ml is sufficient to treat 60 litres of diesel fuel.
www.ebay.co.uk
 
Arctic2 said:
Good advice along with the manifold EGR and MAP clean, give it a good ten mile run on the day of the MOT thrashing the living daylights out of it, an Italian tune arriving 5 minutes before you MOT is due the engine will nice and hot giving the best smoke reading

I have two FL2 and drop a bottle of this in twice a year once in the spring and then Autumn, reason why i buy four.

You can just go for one or two.

www.ebay.co.uk

2 x COMMA CAR DIESEL MAGIC ONE TREATMENT CLEANS DIESEL INJECTOR 5055415917387 | eBay

Comma Diesel Magic. Lubricates fuel and injector pump. A highly concentrated fuel additive, which rapidly removes harmful deposits for use in diesel powered vehicles. 400ml is sufficient to treat 60 litres of diesel fuel.
www.ebay.co.uk
Click to expand...
That’s a good price (for 4)
 
Andy Warren said:
As well as the manifold I would remove the intercooler & flush that along with all the pipes & hoses with it. If it hasn't been done you'll be surprised, along with the manifold, how much oil/sludge builds up in the 'system' helping it smoke,all the best.
Click to expand...
thanks Andy - will do - as a matter of interest what chemical solvents do you use/ recommend ?
 
We used this stuff on a BMW 120D (same engine as FL1) when her turbo failed. It also seems to work well on oily silencers.

1719328111341.png
 
Last edited:
As others have suggested, adding additives to the tank before an MOT can help. I fill up with a tank full of the more expensive super diesel and give the car a good blast in the days running up to its MOT. By a good blast I don’t mean flat out down a motorway, simply red-line it a few times in low gear. If an auto, just run it in sports mode for a few days and drive it like you stole it.
My FL2 is approaching a quarter million miles, the EGR has been blocked off for years, and has had no problem with smoke at MOT time.
 
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