It's a Volvo approved insurance friendly engine re-map. It changes the up shift changes of the gear-box and the mid range response. Not quite in 335 territory but it does improve torque - adds about 3 bhp to the power, but that’s academic really, the real difference is in mid-range response. Got it at half price after the lock-down slackened. For that money it was OK, wouldn't have paid full price though.
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