As you seem to be considering some preventative maintenance, I think I'd be investing in some walnut shell blasting instead.

 

Teraclean is about £120, walnut is £400 ish.

 

PM Ecosse. He had his 130 done and said it was excellent.

 

It's an hour long process and you can definitely feel the difference in the seat of your pants.

Not alot of money for a full carbon removal , front to back.

Apparently when some diesels get it done, the amount of soot coming out the back is horrendous.

 

There was a member on here who had it done and said there was literally no difference. Just throwing it out there.

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I havent found any bad reviews about it and like eccosse says not a lot of money for a full clean....

Will update when i have it done..

 

I've watched some videos on YouTube where they put cameras down the cylinders to see if the terra clean even did what it's supposed to and there was little to know difference.

Apparently you can spray water into the intake and it does the same thing a terra clean would loool.

Has your got car high mileage btw?

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87k mate 135i n54

 

Looks like snake oil to me. Might clean your injectors out, but it won't clean the intake ports on a direct injection engine as it is delivered through the fuel system.

 

Let us know how you get on after having it done.

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Looks like snake oil to me. Might clean your injectors out, but it won't clean the intake ports on a direct injection engine as it is delivered through the fuel system.

Exactly. Hence the walnut shells.

 

The terraclean system plugs in to the fuel system.

Under the rear passenger seat to be precise. It totally eliminates your fuel tank for the hour long process.

 

The terraclean system plugs in to the fuel system.

Under the rear passenger seat to be precise. It totally eliminates your fuel tank for the hour long process.

would you recommend it mate?

 

I'd recommend it no problem, for the price of a couple of tanks of fuel, you'll be well pleased with the results in an 84k mile car.

If I still have mine, it'll be getting done again in another 40k or so.

For a diesel owner, especially with dpf issues - it's a no brainer.

 

I'd recommend it no problem, for the price of a couple of tanks of fuel, you'll be well pleased with the results in an 84k mile car.

If I still have mine, it'll be getting done again in another 40k or so.

For a diesel owner, especially with dpf issues - it's a no brainer.

Cheers mate will get in booked in.

 

10% extra BHP not convinced on that but a good sales pitch.

 

There is a guy local to me that does this... I am quite tempted myself tbh.

Let me know how it goes

 

In remember seeing Edd on wheeler dealers use terraclean he raved about it and proved good results with an emissions tester but probably got paid a wedge to advertise it!

 

10% extra BHP not convinced on that but a good sales pitch.

I suppose it all depends on how bad it is in the first place

 

ecotune do it they have done before and after dyno runs and it definitely frees up the engine a bit.

When mine was done it was amazing the rainbow of smoke that came out the back so it definitely did some cleaning.

as has been stated it won't clear any inlet coking on direct inj engines. (Stupid egr)

 

From what I've heard it's pretty pointless for direct injection engines, the whole point is to clean the valves no? As suggested the walnut blasting is only option for us and either a catch can or just VTA. Fuel system wouldn't need a clean, constant flow of what I would hope is 98/99 Ron wouldn't create issues. Run cleaner fuel, run ethanol

 

From what I've heard it's pretty pointless for direct injection engines, the whole point is to clean the valves no? As suggested the walnut blasting is only option for us and either a catch can or just VTA. Fuel system wouldn't need a clean, constant flow of what I would hope is 98/99 Ron wouldn't create issues. Run cleaner fuel, run ethanol

I run tesco 99 and have done since owning the car. But as previously said car has done 87k and I have only had it for 2k. For 120 quid I take the chance and see if I can feel the difference or if it is placebo..

 

I've has mine done & cost £90, didn't notice a massive gain in performance (but my remap had recently been whipped with out me knowing which would have effected my judgement) but the car did run smoother, when it was done there was a **** load of black soot so if its cleaned up some sh!t in the engine then im happy to have it done again to keep it running nicely.

Also when i was at P-Torque, Will mentioned how well my car way pulling for its age which I'm sure the TerraClean helped.

 

From what I've heard it's pretty pointless for direct injection engines, the whole point is to clean the valves no? As suggested the walnut blasting is only option for us and either a catch can or just VTA. Fuel system wouldn't need a clean, constant flow of what I would hope is 98/99 Ron wouldn't create issues. Run cleaner fuel, run ethanol

No
Its to clean carbon build up in combustion chamber and exhaust system Inc cat and o2 sensors. Not really for inlet Valves. A small amount should make it through inlet via egr but it's unlikely to be effective.

Using a higher octane fuel actually increases carbon build up as it is more resistant to combustion.

Terra clean is just a very refined low octane petrol

 

Had mine done a while back at around 80k on a 118D and noticed no difference at all. MPG was pretty much the same too.