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    M3 Auto

    3.7 (3 reviews)
    Open Open 24 hours

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    Response time

    10 minutes

    Response rate

    100%

    Services - M3 Auto

    Check engine light

    Engine oil light diagnosis

    Auto general diagnosis

    18 More Services

    Auto noise diagnosis

    Tire Pressure Monitoring System diagnosis

    Auto no-start diagnosis

    Auto vibration diagnosis

    Auto diagnosis or inspection

    Auto pre-purchase inspection

    Auto maintenance

    Oil changes

    Auto repairs

    Auto battery or electrical system repair

    Auto brake repair

    Auto engine repair

    Auto HVAC repair

    Auto light repair

    Auto steering and suspension repair

    Auto transmission repair

    Routine automotive maintenance

    Transmission leak inspection

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    Recommended Reviews - M3 Auto

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    3 months ago

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    8 months ago

    Fantastic service and always has the parts I need. They have a lot of nifty ways to look up what you need, and great price are the norm.

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    1 year ago

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    Andrew V.

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    Campbell's Garage

    Campbell's Garage

    (6 reviews)

    is every automotive repair business in my home town denison, texas shady.??..its sad to say, but…read morewhen you have too many bad repair shops it makes it hard for the honest shops to make it...maybe its not the shop just a untrained employe...what would you get out of loosening the trans bolt .or not putting plug back..they don't do trans rebuilds?just to fix basic automotive issues !!..people must just take it and say the next guy will say somthn ....wtf?? a female friend takes her caddillac to cambels garage she first had to make a appointment a month out before he could get to it.( what a waist of time)......i thought that was odd because not a single car was outside,  like in line to be "looked at".... ok before the car was taken to cambels garage i ran my diagnostic scanner and it had a misfire in #5 ...spark plug or coil pk issue..and code for pcv system stopped up...these are the only 2 codes until i take to cambels...she takes her car to him...he says the motors blown??...(yet she drove it home) and that sombody broke a spark plug and it fell in the motor???? what? there was no broken plug when she left....the plugs are at the back with just a couple inches to work with ....its not a easy task ....so not being equiped with the tools.. i recomend cambels when the car came back its pulling codes p0141 p... p 0122 p0300 p0300 p.  the car is way worse than when she took it. how anything could have "fell in the motor"?.......broke a plug and instead of fixing it he put it back like somone els did it didnt even hook up the #5 coil pack....just said screw it motors blown !?..broke the plug and somethin dropped into the cylinder......and let her drive it home.. they was thinkin she was some dumb old lady.... we knew what was wrong and nobody but whoever tried to get the plug out broke the plug and the coil pack then jus layed it back like it hasnt been touched. next time just say you screwed it up...you dont say the motors blown n let her drive off. when one of your employees or you permanently screw sombodys motor up take responsibility for your incompetence...i wouldnt recomend this place to fix a anything.... they will screw your car up n lie about doing any of the damage i should put a reverse mechanics lien against the shop im sure they do alot of that if somone was to audit

    Fair pricing! Done wright the first time. Highly recommended! Finished scope of work as said!read more

    M3 Auto - autorepair - Updated May 2026

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