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ECU mod
There appear to be 2 options available:-
Superchip ECU mod at around £500 - invalidates warranty from BMW
Gain approx 355 BHP and 25% increase on torque
AC Schnitzer UK option - includes dedicated hardware. Sits between ECU and injectors. Costs £2000.00 - Invalidates BMW's warranty but they supply their own 3 yr warranty to cover this and engine, hence the cost.
Gain approx 360Bhp and 25% increase on torque.
Going to give it some thought for a while.
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