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Thread: Mystery electrical part (BERU 0310025022

  1. #1
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    Mech Mystery electrical part (BERU 0310025022

    Just wondering if anybody knows the function of this little brown
    box ? There are two of them in the engine compartment,
    one on each front on top of the cylinder banks.
    It is somewhat hidden under the wiring under the intake box.
    Brown wire from the loom, brown color, with the other side mounted
    to a small stud (looks like a ground ?).
    Google and Audi dealers clueless, also nu luck from BERU
    website.
    Thanks for any info,
    Ivan

  2. #2
    Registered User hahnmgh63's Avatar
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    Are we talking about a C5 RS6? Most likely a Capacitor/Noise/EMI filter?
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
    Roy, WA

  3. #3
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    Capacitors, yes. ELSA calls them "Distributor Ignition (DI) Capacitor".

  4. #4
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    Thanks,
    Where is one available,
    Canada or USA ?
    Found Mouse nest under intake,
    explains false air !
    Cheers,
    Ivan

  5. #5
    Registered User hahnmgh63's Avatar
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    Does it just have the part # on it or does it show a 'uf'? Here is a Ebay one but different MicroFarad https://www.ebay.com/itm/BERU-4-7-F-...hHU:rk:22:pf:0
    Wrecking yard would be best. For now the car should run fine without it. Might get some feedback through the speakers.
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
    Roy, WA

  6. #6
    Registered User hahnmgh63's Avatar
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    Closest I could find out of the Audi catalog for the RS6. https://genuineaudiparts.com/parts/i...&siteid=214407
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
    Roy, WA

  7. #7
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    Thanks,
    they seem to be very close in spec.
    The BERU # ... is on the body.
    Brown wire in, brown colored body.
    Both are still hookedup,
    one has a minor wiring blemish near its body,
    so sauter is not an option.
    Ivan

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