That is the conundrum, so please help with your experiences. So, it's a CLS55 which is clearly not short of power or torque. On the autobahnen last year it went totally batshit but couldn't get past 140mph because of traffic. But I'm off to Germany again in August and the idea of a remap and limiter delete has been nagging at me. I don't want to go the pulley route, just optimise what I've got. Decided I don't want a stock remap but a custom job on a dyno. There are different views about what can be gained. Typically +50bhp and +80lb/ft. So I called in to see Acid at MSL today. He thought +20bhp was the realistic number without going for pulleys etc. He did say that overall I'd get a more responsive driving experience and better shift times. The question is, is +20bhp worth having on top of what the M113k motor is already putting out? All opinions welcome. P.S. Acid is looking forward to getting your car Dave.