2003 (53) XC70 ECU Remap question
 

I have a 2003 XC 70 D5 engine (163bhp) and want the ecu remapped to around 200bhp but I’m having problems. It appears that it can’t be done on my car because the ecu has a chip that won’t talk to the remappers. So this will have to be unsoldered from the ecu and a ‘talkative’ one re-soldered in.

Quantum want the agent to remove the ecu and send it to them, but the agent doesnt want the overall responsibility. Celtic will do it but there is no warranty, and general remappers don’t have the mppf???????? to talk to the ecu to do the remapping via the obd socket...

Can anyone shed light, assist or help or am I stuck with it as it is (or buy another car)

Many thanks in anticipation.

MTE / RICA / SHARK TUNING
They all do it using a softloader, The Chip inside the Bosch ecu is programmable , that tuner is telling you poo, at the most all that has to be done if they do not have a softloader, is remove the ecu put it on the bench and programing it in boot-mode that is very safe, you do not have to send your ecu to some one and be with out your car,
Dave

Is there anyone you would recommend?

Hi just phone any of those, or your local superchips,
parts for Volvos, do BSR remaps with a soft loader
,
Dave

Super chips done today.
Ecu removed and old chip removed, new chip inserted and remapped to increase bhp and low down torque for towing and slight reduction in mpg.

Giving values is a bit ‘pick a number’ or ‘mines bigger than yours’ style, but it does seem smoother on ordinary driving and maybe lower revving through the first 3/4 gears which kind of agrees with my comments. Early dash computer reads 2/3 mpg better, but of course very early days yet. I’m towing on Friday, so if there is a remarkable difference in feel, I’ll post sometime later.

For now, seems good and ok 😀
Thanks Dave etc..

Hi good you got the car done, have you got the original chip or file, don't loose it,
Dave

Well, some time later is here now. I have used the car as normal and generally, cannot notice too much difference. Indeed, my style of driving has not changed as a result so I question if I should notice a difference? In some respects I feel a tad disappointed, but I wanted to experiment and it was a darn sight cheaper than selling the car just to buy a 185 bhp or post 08 reg version.
I think the words I would used to describe it is, 'it feels a little more brisk, especially from rest'
I towed my caravan (twin axle about 1500kg all up) and it was great. From rest it pulled well (but then it did so before). It cruised well at around 60-66 up and down the motorway and dual carriageways (as it did before) and again, I can't say I noticed too much difference. It just felt 'easy'.
My only negative is coming up the hill at Birdlip and the temperature gauge increases slightly and my wife finds this a little scary as previous BMW's never moved. I've done a coolant, thermostat and gearbox oil change, so c'est la vie, as they say.

If it's a manual car be careful as Shark Performance mapped my xc60 and clutch started slipping immediately, the tried to say the clutch must of been on way out but in reality the extra torque the tried putting through it cooked the dual mass! So be careful if using this outfit as I had problems with them from start to finish including wipers didn't work after they forgot to reinstall them correctly:angry_smile: