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    E30 Fuse Box

    Fuse - Rating - Description

    1 - 7.5 - Headlight, left high beam

    2 - 7.5 - Headlight, right high beam

    3 - 15 - Aux. cooling fan, low speed

    4 - 15 - Turn signals
    Emergency flasher
    Active check control
    Digital clock

    5 - 30 - Windshield wiper and washer

    6 - 7.5 - Stop lights
    Cruise control
    Active check control
    ABS
    Interior lights

    7 - 15 - Horn

    8 - 30 - Rear defogger

    9 - 15 - Fuel delivery
    Idle speed

    10 - 7.5 - Seat belt warning system
    Service interval indicator
    Tachometer/fuel economy gauge
    Instrument gauges and indicators
    Brake warning system
    Back-up lights
    OBC
    Starter
    Fuel delivery
    Idle speed
    Active check control
    Stop lights and cruise control

    11 - 7.5 - Fuel pump

    12 - 7.5 - Radio power
    Speedometer/instrument indicators
    OBC
    Multifunction Clock

    13 - 7.5 - Left Low Beam

    14 - 7.5 - Right Low Beam

    15 - Not Used

    16 - 15 - Heated Seats

    17 - 30 - Sunroof
    Power Windows

    18 - 30 - Aux. cooling fan, high speed

    19 - 7.5 - Aux. cooling fan
    Interior lights
    Power mirrors

    20 - 30 - Heater/Air conditioner
    Auxiliary Radiator cooling fan

    21 - 7.5 - Glovebox light
    Flashlight
    Ignition Key/Seat Belt warning
    Interior Lights
    Radio Memory
    Trunk Light
    Active Check Control
    Service Interval Indicator
    OBC
    Fuel delivery
    Tachometer/Fuel Economy Gauge
    Digital Clock
    Multi Function Clock

    22 - 7.5 - Active Check Control
    Front Parking Lights
    Taillights
    Front Side Marker Lights

    23 - 7.5 - Instrument Panel Lights
    Front Parking Lights
    Taillights
    Rear Side Marker/License Plate Lights
    Active Check Control
    Rear Defogger
    Multi-Function Clock
    OBC

    24 - 15 - Turn Signals
    Emergency Flasher

    25 - Not Used

    26 - Not Used

    27 - 30 - Interior Lights
    Central Locking
    OBC
    Radio Amplifier

    28 - 30 - Lighter
    Power Antenna

    29 - 7.5 - Left Fog Light

    30 - 7.5 - Right Fog Light

    Click image for larger version

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    Info taken from previous threads and cleaned up for readability.
    Thanks, Ben and Julien.
    sigpic

    #2
    is there a difference between the us spec and euro spec fuse boxes?

    my euro 323i has a 15 amp fuse for number 11 and also has a 15 amp fuse for number 15

    and my interior lights still work when i remove fuse 27...

    im so lost...

    Comment


      #3
      I wouldn't mind a little clarification on the relays, all of em'. The small 3 relay box, as well as the main fuse box. I need some descriptions of what the relays actually look like. I've seen:
      silver
      orange
      orange w/ black bottoms
      white
      purple
      black

      I got this 89' 325i coupe with no fuses or relays. I've tried taking pictures of other boxes, and even checked the engine bay thread for relay layout, but not really confident I got them right.
      Supatek -noun - your basic know it all

      Comment


        #4
        Thanks for posting that up. I could use some clarification on the little box that sits next to the main fuse box. Mine got a bit out of order during my swap and I need to figure out what goes where.


        -Nick

        Comment


          #5
          I'm confused about where it says: 28-30: lighter, power antenna

          3 fuses for these guys (28,29,30)? I don't want the power antenna to go up everytime I turn the deck on, I never listen to the radio, just mp3/cd. Can I pull one of the fuses?

          Comment


            #6
            Originally posted by davem View Post
            I'm confused about where it says: 28-30: lighter, power antenna

            3 fuses for these guys (28,29,30)? I don't want the power antenna to go up everytime I turn the deck on, I never listen to the radio, just mp3/cd. Can I pull one of the fuses?
            i dont' think i can answer you question completely, but 28-30 means that fuse "28" is a 30 amp fuse, and by pulling it you will lose power to both your cigarette lighter, and your power antenna. hope this helps.

            Comment


              #7
              Originally posted by call me jack View Post
              i dont' think i can answer you question completely, but 28-30 means that fuse "28" is a 30 amp fuse, and by pulling it you will lose power to both your cigarette lighter, and your power antenna. hope this helps.
              Thanks!

              It does help, can't believe I didn't realize that. Also, I never use the cigarette lighter either so it'll work great for me.
              Last edited by davem; 09-22-2010, 03:48 PM.

              Comment


                #8
                is there a heater relay and which one is it

                Comment


                  #9
                  Where is the fuel pump relay located? I have a 6/97 prod. date 325. It leaves two options on Pelican for selecting either a 4 or 7 prong relay. Which one do I need?
                  Past: 1987 325iS, Bilsteins - HR Sports

                  Present: 1999 M3, Koni Yellows - HR Sports - GC Camber Plates - UUC Swaybars - UUC SSK - AFE Intake - Stromung Catback

                  2009 Mazdaspeed3, Short Ram Intake - Turbo Inlet Pipe - 2nd cat Delete - Catback - Fuel Pump Internals - Cobb Accessport - Stratified E30 tune - 294/342 - SPC Camber Arms - CPE Rear Motor Mount

                  Comment


                    #10
                    fuel pump relay is number two of the three relays that are not inside the fuse box. there is the main relay which is the first relay towards the headlight, then the fuel pump relay, then the heated o2 sensor relay. and to clarify, those are outside of the fuse box between the air filter box and the fuse box and the strut tower. they usually are underneath a black cover. I can take a pic of mine or of the wiring diagram if necessary.

                    Comment


                      #11
                      Originally posted by metroya_performance View Post
                      fuel pump relay is number two of the three relays that are not inside the fuse box. there is the main relay which is the first relay towards the headlight, then the fuel pump relay, then the heated o2 sensor relay. and to clarify, those are outside of the fuse box between the air filter box and the fuse box and the strut tower. they usually are underneath a black cover. I can take a pic of mine or of the wiring diagram if necessary.
                      Description successful. Thanks.
                      Past: 1987 325iS, Bilsteins - HR Sports

                      Present: 1999 M3, Koni Yellows - HR Sports - GC Camber Plates - UUC Swaybars - UUC SSK - AFE Intake - Stromung Catback

                      2009 Mazdaspeed3, Short Ram Intake - Turbo Inlet Pipe - 2nd cat Delete - Catback - Fuel Pump Internals - Cobb Accessport - Stratified E30 tune - 294/342 - SPC Camber Arms - CPE Rear Motor Mount

                      Comment


                        #12
                        sweet. yea Ive been messing with my fuse box but I work at a mazda/bmw dealership so I have access to the wiring diagrams for mine.

                        Comment


                          #13
                          Hey is there such a thing as quality fuses? I buy mine at autozone right now.
                          Renting my rear wheel bearing tool kit. SIR
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                          Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                          Comment


                            #14
                            so the k9 slot is supposed to be empty on my e30 318i?

                            Comment


                              #15
                              Originally posted by 1989e30 View Post
                              is there a heater relay and which one is it
                              Fuse #20, no relay that I saw. Just spent hours tracing this very circuit.
                              - Josh
                              1990 325is

                              Need a shift boot?
                              Looking to buy shift boot frames, PM if you have one to sell

                              Here's what happens when you let the internet pick your license plate

                              Comment

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