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Thread: Static when using grom Blutooth

  1. #1
    Join Date
    Nov 2016
    Location
    Hansville, wa
    Posts
    972
    My Cars
    2001 750il Chrome line

    Question Static when using grom Blutooth

    Hoping someone has had this problem and knows a fix, I'm definitely not an audio guy.

    I have a 00' 740il with DSP and a Grom BT-3. It has been working fine but now when I use the bluetooth there is a ton of static. No static when i use the radio and using the fader and balance to move the noise around it is always the same static. It's been fine for almost two years.
    01' 750il Chromeline
    95 M3 LS swapped
    07 M5 Manual
    06' M5, Spartan wheels and a 507hp V10
    00' 740il Dinan, CAI, Romulus exhaust, Stage 5 engine and transmission tune, 750 brakes, camber plates, strut tower brace. Sold
    00' 323i wagon for daughter
    03' 525i wagon for the wife, sold
    98' 740i for the daughter, wrecked
    92' 525i with over 200k, wrecked
    02' R1200 CLC, hit by a bus and broken in half. That one made the news!
    It's like herpes there is no cure but if treated properly you can live with it for the rest of your life

  2. #2
    Join Date
    Dec 2016
    Location
    Springfield, VA
    Posts
    1,006
    My Cars
    2001 750iL DD74441
    A few clarification questions and ideas:
    Have you done anything recently to the system or the vehicle?
    How did you route the wiring? Any pinch points or folds?
    Have you unplugged the Bluetooth accessory and put it back in? Checked the microphone connection to the Bluetooth accessory?
    Relocate the Bluetooth dongle to another location in the vehicle?


    2001 750iL DD74441
    Stock

    RIP: 2003 540iA Sport GS56111
    H&R front springs, Ultimate Cup Holder, Euro Dash & Armrest, Grom, BavSound Stage1

  3. #3
    Join Date
    Nov 2016
    Location
    Hansville, wa
    Posts
    972
    My Cars
    2001 750il Chrome line
    Nothing done recently. The dongle is just under the rear panel behind the shade. The Mic runs through the roof with all of the other wires that got to the center controls. I will check the connection on the dongle I only checked the connections to the car.
    01' 750il Chromeline
    95 M3 LS swapped
    07 M5 Manual
    06' M5, Spartan wheels and a 507hp V10
    00' 740il Dinan, CAI, Romulus exhaust, Stage 5 engine and transmission tune, 750 brakes, camber plates, strut tower brace. Sold
    00' 323i wagon for daughter
    03' 525i wagon for the wife, sold
    98' 740i for the daughter, wrecked
    92' 525i with over 200k, wrecked
    02' R1200 CLC, hit by a bus and broken in half. That one made the news!
    It's like herpes there is no cure but if treated properly you can live with it for the rest of your life

  4. #4
    Join Date
    Nov 2016
    Location
    Hansville, wa
    Posts
    972
    My Cars
    2001 750il Chrome line
    I messed with the connections on the dongle and the static went away. It might have been the 3.5mm mic connection?
    01' 750il Chromeline
    95 M3 LS swapped
    07 M5 Manual
    06' M5, Spartan wheels and a 507hp V10
    00' 740il Dinan, CAI, Romulus exhaust, Stage 5 engine and transmission tune, 750 brakes, camber plates, strut tower brace. Sold
    00' 323i wagon for daughter
    03' 525i wagon for the wife, sold
    98' 740i for the daughter, wrecked
    92' 525i with over 200k, wrecked
    02' R1200 CLC, hit by a bus and broken in half. That one made the news!
    It's like herpes there is no cure but if treated properly you can live with it for the rest of your life

  5. #5
    Join Date
    Dec 2011
    Location
    Lancaster CA
    Posts
    5,051
    My Cars
    e34,e38,e39,e46,e70,e90
    Wish I can figure mine out. On the e39, had a bad coax cable, replaced it and now only low volume and low quality (very little base) coming through. I'll try another coax, all connections look good.

    02 e39 540i Sport (Son), 01 DINAN 7 (Me), 12 e70 X5 x35i (Mrs), 95 e34 525i (Daughter 2), 01 e46 325Ci vert (Daughter 1)

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