Fix Your K04 with a Mazdaspeed 3 Turbo Rebuild Kit
If you're starting to see that dreaded puff of blue smoke while idling at a stoplight, grabbing a mazdaspeed 3 turbo rebuild kit is likely the first thing on your mind before your turbo decides to call it quits entirely. It's a classic story for anyone who owns a Gen 1 or Gen 2 Speed 3—the factory BorgWarner K04 turbo is a punchy little unit, but it's notorious for seal issues. Instead of dropping over a grand on a brand-new OEM replacement or jumping straight to a big turbo setup that requires a custom tune, rebuilding it yourself is a solid, budget-friendly way to get your car back in the boost. ...