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Thread: Nearly silent anti theft system

  1. #1
    Join Date
    Jun 2017
    Location
    Denver, CO
    Posts
    264
    My Cars
    325xi; 740i

    Nearly silent anti theft system

    I got my anti theft system in the mail the other day, got it all installed and coded in. Whenever I press unlock I can very faintly hear the horn on the firewall, I took everything back out and made sure everything was completely plugged in. I did set off the ultrasonic sensor, and my coworker revving his mustang next to my car set off the tilt sensor too. When in panic the alarm is a little louder but is still really quiet. For comparison my E32 sounds like a train horn compared to this.
    New Daily:
    2011 Audi A6 Avant 3.0T prestige. 1 of 368

    ----FOR SALE-----
    04 BMW 325xi 143k


    The Fun car:
    94' BMW 740i 308k miles

    Fresh 72k mile engine with all new seals. True E34 Manual Trans Engine Harness. 6spd Transmission Swap, Getrag 420G. RHD LW Single Mass Flywheel. E39 M5 Clutch. E39 M5 Shifter. Factory Car Phone. Factory 6CD Changer. Factory Electric Sunshade. Not So Factory Factory Electric/Heated Rear Seats. E38 Heater Valves. E43 M5 calipers/brakes

    Sold:
    1996 Oldsmobile Aurora; 194k miles but with a bad paint job and dented fender resulting in a payout to buy the 740i

  2. #2
    Join Date
    Nov 2006
    Location
    Oxnard (Ventura), CA
    Posts
    4,045
    My Cars
    99528it 02525it 04325it
    Give some time to charge the battery in the horn. The horn has a built in battery if you are not aware of this.

  3. #3
    Join Date
    Jun 2017
    Location
    Denver, CO
    Posts
    264
    My Cars
    325xi; 740i
    Quote Originally Posted by easymoney View Post
    Give some time to charge the battery in the horn. The horn has a built in battery if you are not aware of this.
    I heard of that once I think. I installed the system Friday and its been the same since then, how long would it take?
    New Daily:
    2011 Audi A6 Avant 3.0T prestige. 1 of 368

    ----FOR SALE-----
    04 BMW 325xi 143k


    The Fun car:
    94' BMW 740i 308k miles

    Fresh 72k mile engine with all new seals. True E34 Manual Trans Engine Harness. 6spd Transmission Swap, Getrag 420G. RHD LW Single Mass Flywheel. E39 M5 Clutch. E39 M5 Shifter. Factory Car Phone. Factory 6CD Changer. Factory Electric Sunshade. Not So Factory Factory Electric/Heated Rear Seats. E38 Heater Valves. E43 M5 calipers/brakes

    Sold:
    1996 Oldsmobile Aurora; 194k miles but with a bad paint job and dented fender resulting in a payout to buy the 740i

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