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Thread: Tail lights confusion and BIG oil leak on a 535!

  1. #1
    Join Date
    Aug 2006
    Location
    England
    Posts
    2

    Default Tail lights confusion and BIG oil leak on a 535!

    Hi! My first time here, ok so am no mechanic. Both my tail lights have gone, have changed bulbs, fuses, still nuttin. Any ideas? Also, I seem to be leaking masses of oil from the front right (ish) side of the car. As soon as I stop, it drops...like a steady slow tap leak, oops. No funny exhaust fumes or weird coloured oil, just lots of it on the floor! Thanks and if u have n e help on how to use this forum that would be cool too.

  2. #2
    Join Date
    Mar 2006
    Posts
    811

    Default

    Check the trunk lid wireing harness, lots of posts on it if you use the search. New harness runs about $160.00 or you can spend some quality time with a spool of wire and a crimping tool.

    As for the oil leak, clean the engine up, run it, look for oil.

  3. #3
    Join Date
    Aug 2006
    Location
    England
    Posts
    2

    Default thanks!

    Thanks! As it happens for some reason the lights have both started to work...weird! I now have found that the sump gasket has gone hence the oil or so I have been told! Cheers!

  4. #4
    Join Date
    Dec 2003
    Posts
    1,640

    Default Start by checking your oil pan (sump) bolts

    They are likely loose and or even some missing. Tighten these up and replace the missing bolts as starting point. This is a short term helper only as I suspect you'll also discover if you inspect closely that the factory gasket is shot.

    Another well known oil leak on the M30 is thru the lower front cover.

    Quote Originally Posted by guitarist
    Thanks! As it happens for some reason the lights have both started to work...weird! I now have found that the sump gasket has gone hence the oil or so I have been told! Cheers!
    Bellevue WA
    90 535iM - not much stock remains. 3.7 liters, ported head, cammed, 3.73 diffy, M5 brakes, MAFed, yadda yadda yadda
    86 Porsche 951 - Track Toy

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