Having just had my car "DVA'd" again I want to find an excellent, trustworthy RR/Tuning Specialist to fine tune the Emerald ECU. I've heard of Mek in Cheltenham but any other suggestions welcome. Clearly, an important factor is that they know what they are doing!
IMO it's a 'NO BRAINER' Don't waste your time/money with the yokels BS as they fk up setting your expensive new engine correctly - go straight to the prof Dave Walker at Emerald and get it setup properly, it'll cost no more and you know it's been done correctly
ditto the above. I live in Bristol, but still took my 7 to Dave Walker's place to get it mapped. For the sake of a few quid on extra fuel to get there & back it is well worth it.