I've got a custom PowerChip tune on my E39 M5 and will probably get one for the X5 as well but not anytime this year...

The only downside is you'll have to pull the ECU out and send it over to them...

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TQ2K


'04 N62 - Alpine White/Truffle
'03 S62 - Petrol Mica/Champagne
'97 S52/4/5 - Alpine White/Dove
'91 M42/4/5 - Brilliantrot/Tan