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Thread: Low spec front fuse/relay box

  1. #1
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    Default Low spec front fuse/relay box

    Hi! Has anyone got a diagram or description of the relays & fuses in my front fuse box (next to the heater valves) for my car? It is the early 'low spec' box, which has a lot of relays in, and no CCM module. I'm looking for the relay that controls the aux water pump. I did do a search but it seems this type of fusebox is a bit odd.

    Cheers,

    Shaun M

  2. #2
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    Default

    Quote Originally Posted by E34-520iSE
    Hi! Has anyone got a diagram or description of the relays & fuses in my front fuse box (next to the heater valves) for my car? It is the early 'low spec' box, which has a lot of relays in, and no CCM module. I'm looking for the relay that controls the aux water pump. I did do a search but it seems this type of fusebox is a bit odd.

    Cheers,

    Shaun M
    Bentleys shows relay no. 8 for water pump on 1989-90 models. Viewed from front of the car, there is a bank of 4 relays (nos 1 to 4) closest to the windscreen and another bank of 5(nos 5 to 9) in front of them. Counting left to right, no 8 is 4th one along in front row

  3. #3
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    Default

    Thanks Whiskychaser. Which page in the Bentley manual number shows this? I must have missed it!

    Cheers,

    Shaun M

  4. #4
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    Default Which page?

    Quote Originally Posted by E34-520iSE
    Thanks Whiskychaser. Which page in the Bentley manual number shows this? I must have missed it!

    Cheers,

    Shaun M
    Page 610-1. Fig 1.

  5. #5
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    Default

    Quote Originally Posted by whiskychaser
    Page 610-1. Fig 1.
    Aha! I see it. That's the 'high spec' fusebox, which most E34's seem to have. I have the 'low spec' one, which has a different layout inside, no LKM and no CCM, just fuses and relays, and in a completely different order to the 'high spec' one. Thanks for searching for me though, I really appreciate it.

    Thanks,

    Shaun M

  6. #6
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    Default

    Quote Originally Posted by E34-520iSE
    Aha! I see it. That's the 'high spec' fusebox, which most E34's seem to have. I have the 'low spec' one, which has a different layout inside, no LKM and no CCM, just fuses and relays, and in a completely different order to the 'high spec' one. Thanks for searching for me though, I really appreciate it.

    Thanks,

    Shaun M
    My apologies. Hopefully this bump will bring it to the attention of someone wiser

  7. #7
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    Default Curious

    Are you in the USA? Are the phrases "high spec/low spec" your description or actual BMW terms? My BMW ETM for your year automobile shows only one fusebox, identical to the Bentley drawing cited above. But this is mostly BMW USA information. Maybe you have more information to give us.

    Paul

  8. #8
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    There are clusters (mainly in Europe) on the E34, which have Hi and Low version, low version is without check control.
    Here copied from German E34 forum

    Low (ohne Check-Control)
    verbaut in: 518i M40 (Import), 520i M20, 520i M50, 524td
    Zeitraum: bis 09/1990
    Hersteller: Motometer

    Erkennungsmerkmale:
    - mechanischer km-Zähler im Tachometer
    - ungleichmässige Skalierung der Tankuhr
    - weisse Rückseite des Kombiinstruments
    - Codierstecker (schwarz) steckt hinten in der Rückseite des Kombis

    Low Redesign (ohne Check-Control)

    verbaut in: 518i M40, 518i M43, 520i M50, 524td, 525td, 525tds
    Zeitraum: ab 09/1990
    Hersteller: Motometer

    Erkennungsmerkmale:
    - digitaler km-Zähler im unteren Teil des Tachometers
    - silberne Rückseite des Kombiinstruments
    - Codierstecker (grün) steckt hinten in der Rückseite des Kombis

    High (mit Check-Control)

    verbaut in: 525i M20, 530i M30, 535i, M5 3.6
    Zeitraum: bis 02/1989
    Hersteller: VDO

    Erkennungsmerkmale:
    - graue Rückseite des Kombiinstruments
    - Codierstecker ist im braunen Anschlussstecker integriert
    - Keine ASC-Kontrollleuchte zwischen Tachometer und Drehzahlmesser (über der EML-Leuchte) (M5: ///M-Symbol statt EML-Leuchte)

    High Redesign (mit Check-Control)
    verbaut in: 525i M20, 525i M50, 530i M30, 535i, M5 3.6
    Zeitraum: 02/1989 bis 09/1990
    Hersteller: VDO

    Erkennungsmerkmale:
    - weisse Rückseite des Kombiinstruments
    - Codierstecker (braun) steckt hinten in der Rückseite des Kombis
    - ASC-Kontrollleuchte zwischen Tachometer und Drehzahlmesser: Dreieck mit Schriftzug "ASC" (M5: ///M-Symbol)
    - Reservebereich der Tankanzeige rot markiert

    High Redesign (mit Check-Control)
    verbaut in: 525i M50, 530i M60, 535i, 540i, M5 3.6, M5 3.8
    Zeitraum: ab 09/1990
    Hersteller: VDO

    Erkennungsmerkmale:
    - blaue Rückseite des Kombiinstruments (bei Austauschgeräten teilweise auch weiss)
    - Codierstecker (blau) steckt hinten in der Rückseite des Kombis
    - ASC-Kontrollleuchte zwischen Tachometer und Drehzahlmesser: Dreieck mit Ausrufezeichen (M5: ///M-Symbol)
    - Ladekontrolleuchte nicht mehr zwischen Tachometer und Drehzahlmesser, sondern unten links
    - Reservebereich der Tankanzeige nicht rot markiert

    Here more details with drawings/pics

    http://www.e34.de/tips_tricks/bctips/bctips-1.pdf

    http://www.e34.de/tips_tricks/bctips/bctips-2.pdf

    http://www.e34.de/tips_tricks/bctips/bctips-3.pdf
    Last edited by shogun; 01-13-2008 at 05:56 AM.

  9. #9
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    Default

    Shogun's info is spot on. Here in the UK the smaller engined cars got a basic dashboard, with no check control, abs etc.- so the fusebox is a little different. I will post a pic of mine when the sun's up. I retrofitted the higher spec dash cluster, with the check control display. However as I have no CCM unit I only get the basic messages on the display & the bonger bongs when a message appears.

    Cheers,

    Shaun M

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