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ECU remapping


Glenlivet
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Always remember that, especially on an older engine / turbo, getting it chipped can put additional stresses into the system.

 

This also applies to the clutch/DMF on diesel engined cars, making another potential weak point in the system.

This is something I had thought about although a lot depends on the right foot of the operator!
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Also many engines are physically the same with software detunes for various reasons, (economy, emissions, market placement ) if you have the lower output tune and upgrade to the higher output tune it's no different to having bought the higher output but you can reduce reliability if you take it too far.

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Been thinking of getting my x-trail done for a while now so will follow this with interest.

Similar thread here from a couple of years ago:

http://forums.pigeonwatch.co.uk/forums/topic/218448-anyone-here-had-their-motor-remappedand-happy-or-not/?hl=remapped

Thanks for the link. Read the thread and found it informative. Just hope this one doesn't descend into bickering🤐 Edited by Glenlivet
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For the freelander td4 the best option imo is the Ronbox which can be found at http://www.tuning-diesels.biz

 

I had one on our freelander and it transformed it. They were specially designed for that diesel engine and most the owners sites for the freelander, rover and mg all rave about them. Good thing is you can take them off if you sell it and flog it however as its a tuning box you do have to tell the insurance...which you should do anyway if you get it remapped.

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Wou,d definitely go with a company that had a proven record of success. Head onto the forums that link to your car and you will soon find out who is the daddy.

 

I have a VW Transporter and it has been remapped by pendle performance. The guy has premises, and franchisees so a tried and tested product, and on the T5 forums, he is the go to guy. My van is now a flying machine, with good fuel economy too.

 

Word of warning that a lot of folk are offering remapping services with generic maps, that are adjusted badly, but still with some gains and to avoid any issues, are deleting the error code database so any errors through poor mapping never bring on the engine light as they aren't recognised.

 

Cheers

 

Stu

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Is it a manual or auto. Only ask ask as I have a p38 2.5 d range rover, it has a larger stainless exhaust,k&n panel filter and a blue tuning type box that goes into the electrics and the top of the fuel filter. It's very good and gives the car mor power and economy, but when normal drive the gearbox hunts up and down through the gears around 50mph,if I remove it the gearbox is fine. Mine is still plugged in,as I can live with the hunting up and down.

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Is it a manual or auto. Only ask ask as I have a p38 2.5 d range rover, it has a larger stainless exhaust,k&n panel filter and a blue tuning type box that goes into the electrics and the top of the fuel filter. It's very good and gives the car mor power and economy, but when normal drive the gearbox hunts up and down through the gears around 50mph,if I remove it the gearbox is fine. Mine is still plugged in,as I can live with the hunting up and down.

Auto, should have stated in my first post. Not expecting miracles but don't fancy the gear hunting.

For the freelander td4 the best option imo is the Ronbox which can be found at http://www.tuning-diesels.biz

I had one on our freelander and it transformed it. They were specially designed for that diesel engine and most the owners sites for the freelander, rover and mg all rave about them. Good thing is you can take them off if you sell it and flog it however as its a tuning box you do have to tell the insurance...which you should do anyway if you get it remapped.

Had a look at this. The optional dash switch is tempting but I just know I'd leave it in performance mode!
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If I had a deisel turbo and had the funds I would fit a good exhaust, filter,give it a really good service and get it set up car specific, on a rolling road by a well known diesel specialist, not a generic remap or tuning box. The box I have works well on a mway run at 70 on cruise control 40mpg round town 30mpg. Towing a trailer back and fourth maybe 2 mile round trip 19mpg. Real life statistics.

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Correct like the mercs

 

The merc e220 is just a lower map compared to the e250.

 

 

Also many engines are physically the same with software detunes for various reasons, (economy, emissions, market placement ) if you have the lower output tune and upgrade to the higher output tune it's no different to having bought the higher output but you can reduce reliability if you take it too far.

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