Sorry about the poor image quality. Other than the first row, how likely are these needed at 56k miles, assuming they are telling the truth? I don't see any of these mentioned in the maintenance schedule in the manual. The car has been regularly maintained and serviced.
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Welcome to the forum , and its great that you posted the service recc's instead of trying to explain it ... because ...it would be very hard to believe this was true ....What year is your 5 ? Im guessing that its 2017-18 ? Was it left outside , in poor conditions for years -- or garaged ?
I could see some of this as preventative ,-- The prices are the killer !!
coolant seems way way early,- even GM cars go 10 yrs / 100+ k on coolant and still at days end coolant is mainly about seal / radiator core protection --Mazdas been using FL-22 coolant for a long time and thats 120K/ 10yr stuff - In Ownwer manual --going back decades , belt tensioner $446.92- no comment ---! Fuel induction service $227.95-yikes ! - pour a can of 44K in the tank -- call it a day $20, see if it helps - service writers gone wild !! ......... --I agree with others here on....about everything .....
breaking this down and going thru each item methodically , checking the owners manual for service intervals on each , then inspecting each item yourself for the validity - very sorry to see this -I hope you can find a place you feel comfortable with and trust --- are you able to do any of this yourself ?
Oil / filter change : theres $110 off that $151 -( filter=$10, -5-qt jug Mobil-1 or Castrol= $30/ oil plug gasket= $1.20 / total oil change cost DIY = $41.20 )--Invest the $110 you saved in tools !
Were going into a DIY age, do it yourself or they tear you a new one- could be a good new motto for some dealers ! , Try starting with simple things like an oil change , which gives you confidence to do something else ...also you can start learning to inspect the brakes , belts , gaskets , oil pan, fluids ( you should do this anyway ) etc yourself and take some control of the situation --best