I just got a major service quotation from Mitsubishi for my Lancer GT and I feel that most of these things are way overpriced. Labor costs are reasonable but part prices are not.
Mitsubishi Engine Oil 5W40 1L - RM209  They don't even let me bring my own oil.
Oil system care - RM45    What is this?
Oil filter - RM38.80
Engine Drain Plug Washer RM2.70
Transmission Drain Plug Washer - RM7.10
Air Filter - RM143.90 WTF so expensive for paper filter?
Brake Fluid - RM36.00
Transmission Oil CVT (6L) Diaqueen - RM300.18
Coolant (1btl) - RM24.90
Oil system cleaner - RM45.00 What is this?
Optional CVT flashing - RM300.18 What is this?
Labour (2.70 hours) - RM175.50
CVT transmission fluid price seems reasonable as I compared it with Eneos & Redline prices.
Engine oil is more expensive compared to other retailers. Aeon is selling the same oil for less.
Air filter price if a ripoff.
I read somewhere that to enable auto lock after a certain speed, something needs to be set in the ECU but the person is quoting approx RM300 as he says some hardware needs to be installed. Is this true?

My 5 year warranty ends soon. Just wondering if I should still go to Mitsubishi or to other reputable workshops. Please advice.