symptom: The blower was blowing low volume/slow of air even after adjusting the flow to max. root caused: faulty final stage unit. it control the blower speed. similar like the sword in e34.diy: the location of the FSU is under the front center console, on the RHS/driver side.the exact procedure is similar as posted in mat salleh forum. just follow it. note: u need to remove the plastic cover near the brake pedal. access is easier. another thing u need to lie on ur back underneath the steering column, access is very limited.total time taken should be less than 1/2 hr. :rock: