Mapping the 98 ECU will be around that figure as your only option is to fit an ESL live mapable daughterboard inside. These are £295+vat and then there's the mapping fee.
I used to charge £300 for a live map.
Duncan at Race Dynamix is able to source ESL daughterboard.
Anyone else that tells you they can map a 98 ECU that doesn't use ESL is lying and probably just fitting a boost clamp.
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