2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums banner


  1. 2015 Mazda 3 blinkers and fan not working after battery disconnection

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    Here's the story. When I tried to start my 2015 Mazda 3 one afternoon it was fully dead, no lights, no crank, dead. So I assumed it was the battery, popped the hood and the terminals and posts were very corroded. I cleaned them off and attached my battery charger, the battery was fully charged...
  2. 2015 SGT 55K New Trans needed.

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Luckily I am still under the powertrain warranty of 60k. Dealer is saying that the new trans they are installing has a 12k/1yr warranty. Is this normal policy? Feels like it should be more mileage. Should be done this week and will follow up here with details. Thanks in advance!
  3. 2015 Hatch, 6 speed.

    Buy / Sell / Trade
    Putting out feelers for my car. 2015 Mazda 3 hatch, 2.5 6 speed, sunroof, Bose, leather. Bought it CPO about two and a half years ago with 10k miles on it. The car currently has 41k miles on it and will continue to go up as it’s my daily. Came with free maintenance for the next 25k miles so...
  4. Pin stripes on 2015

    Interior / Exterior
    Does anyone have pin stripes on their 2014-16. I would like to see pictures for some ideas.
  5. Help pls!! Whit DTC P0421 on my mazda 3 2015

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    I currently have a problem with a code dtc p0421 on my mazda 3 2015, I found a service bulletin number: 01-010 / 16. In this bulletin he describes CHECK ENGINE LIGHT ON WITH DTC P0421, apparently with a reprogramming of the pcm it is solved. I would like to know if anyone knows about this...
  6. Facelifted bumpers on a 2015?

    2014-2018 Mazda 3 Skyactiv Appearance & Interior
    Hi, wondering if someone can advise if it is possible to install bumpers from the facelifted 3 on to a 2015. Are the dimensions/mounting points the same, or different? Thanks in advance
  7. Does 2015 Mazda3i have drums or discs for rear brakes? (squealing noise)

    2014-2018 Mazda 3 Skyactiv Discussion
    im hearing a squealing noise from the rear of the car while moving as well when applying brakes. but the sound goes away at 40+ mph. if it's my brakes, is it drum or disc?
  8. WTB aftermarket goodies !! 2015 hatch.

    Mazda 3 Parts - Buy / Sell
    Looking for Cs: pulley, rear motor mount, catback 80mm Coilovers
  9. 2015 ECU

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    I have to send my ECU to be flashed again, and I purchased another ECU, thinking its like a motorcycle, you just plug and play... looks like its not like that, the ECU does not start the car. What do I need to do to make it work.? thanks
  10. Adding Amp and Sub in 2015 w/ Bose

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    I'm planning on adding an amp onto my Bose system. I have ready to go: Audio Control LC2i, Alpine MRV-M500 Amp, Knuconceptz 4g install kit, Brutal Sounds MiniBrute 8" Sub. Whats the best wires to splice into from the factory bose amp? Front doors or rear doors? Also does anyone know where I can...
  11. 2015 Mazda 3 s Grand Touring radio jumps to another station

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    Hi all: Can you help me with this situation? When I am listening to a radio station, the radio eventually jumps to the same station and remains stuck there for a varying amount of time before I can reset it to any other station. (This happens in both AM and FM, and the station the radio jumps...
  12. 2015 I Touring Hatchback New Konig Wheels

    2014-2018 Mazda 3 Skyactiv Wheels and Tires
    Just picked up my 2015 this weekend, my first upgrade is going to be eibach lowering springs and wheels. I've narrowed it down to two different wheels and just wanted some feed back. My first option are Konig Ampliform 17x8 +40 Second Konig Hypergram 17x8 +45 What size tire should I run to...
  13. Bluespark tuning box - Mazda 3 2015 2.2d

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hi Guys, Has anyone had any experience with Bluespark tuning boxes ? Recently got given one and was hoping they had been tried on the Skyactive engines LINK REMOVED Bluespark . com
  14. Cx-3 2015 MZD control/knob doesnt work, entertainment menu doesnt work

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    Hi i just bought a japan mazda cx-3 year 2015 The knob control(incl mute, volume, favorite) dont respond. On the touch screen all menu options works but entertainment doesnt open anything. Please advise what i can do
  15. 2015 Center Console Swap

    2014-2018 Mazda 3 Skyactiv Appearance & Interior
    Hello all, Does anyone know about the possibility of swapping the center console on my 2015 3 Hatchback for the 2017-2018 center console? I know that the parking brake is electric on the 2017-2018, so that might make it impossible, but still curious all the same.
  16. 2015 Mazda 3 Devil decal

    2014-2018 Mazda 3 Skyactiv Appearance & Interior
    Hi guys, I'm sure everyone has seen the devil decal you can put next to the Mazda logo on the trunk, but for the life of me I can't find one that will work with the 2015+ Mazda 3s. Does anyone know where to get one that will work? Thanks in advance. Pic for reference:
  17. Fully loaded 2015 Mazda3 Hatchback S- Grand touring - $15499 (Dallas TX)

    Buy / Sell / Trade
    [Free Carfax report available] 2015 Mazda3 Hatchback S-Grand Touring for sale. 33,750 miles. 2.5L 185 bhp Skyactive engine with automatic transmission. Fun to drive with Sport mode and Paddle shifters! Yet with a lifetime average of 28 mpg in mixed driving. Fully loaded with Beige leather...
  18. 2015 Mazda 3 i SV Metallic Clicking noise

    2014-2018 Mazda 3 Skyactiv Discussion
    Hey Guys, I bought a 2015 Mazda 3 i SV with 52,000 Miles on it last month. Over the last couple weeks ive notices that everytime i put the car into reverse from drive, or into drive from reverse (Super Noticeable) the car makes a metallic clicking sound. In addition to this, i also notice a...
  19. New 17” alloys for 2015 Meteor Gray 3 Sport

    2014-2018 Mazda 3 Skyactiv Wheels and Tires
    Hello all! I’ve been wanting to upgrade my stock 16” alloys for a while now and this year I have the means to do so. I’ve narrowed it down to 4 styles I think would look really good and was looking for opinions. The contenders are: RTX Vertex in machined red, DAI Frantic also in red, RTX Twin in...
  20. Mazda CX5 2015 instrument cluster Japan to English?

    2014-2018 Mazda 3 Skyactiv How-To Guides
    Instrument cluster display Japan to English Hello, I recently bought i used Mazda CX5 2015 model (12/2015). The MZD and the instrument cluster display were both in Japanese. I manage to install the EU vesrion 59 for the MZD. The instrument cluster display is still in Japanese. Is there a way...