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Thread: Oil pan gasket: who has done it and how?

  1. #1
    Join Date
    May 2011
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    Charleston SC
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    6,163

    Oil pan gasket: who has done it and how?

    I had my splash pan off the other day and my oil pan gasket is leaking pretty bad so it looks like it's time... I thought I remember reading that some folks here have done this but my memory isn't what it used to be. Kristen mentioned to some of the techs at her dealership that I was going to do this and they were like OMG he's going to do that on his garage floor! Then I thought I remember someone here saying it's not that bad? Looks pretty involved to me...
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  2. #2
    Join Date
    Nov 2012
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    22841
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    9,280
    I have done it in my driveway on jack stands. It's not too terrible and I plan on doing this job again on the wife's zhp.

    What concerns do you have?

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

  3. #3
    Join Date
    Jun 2011
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    VA/DC
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    Doesn't seem too daunting (and Vas doesn't even have a garage!). I'm confident Rob could do it given his wrenching prowess.

  4. #4
    Join Date
    May 2011
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    Charleston SC
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    I haven't really researched the procedure. Vas, can you give me a quick rundown/overview?
    There isn't anything in the DIY section on this...
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  5. #5
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,280
    Yeah sure. Going of memory here.

    You need an engine brace that goes across the bay to support the engine. I made one out of 2x4 so it's kinda ghetto but it did work. Then support the engine on the front using a chain. There is a point right at the front for this. I used the chain to hook to the engine and the wrapped it around the cross bar.

    Then the fun part of removing things begins.

    Drain oil, disconnect oil level sensor at bottom of the pan, remove main engine belt, remove to the side the power steering pump, remove the bottom nuts that hold the engine mounts to the subframe, remove the sway bar from the subframe (I left it connected to the endlinks) then remove the bolts that hold the front subframe to the body (support it with a jack) them slowly lower the subframe down.

    I did not disconnect the steering coupler or the tie rods. Some people say you need to but I was able to avoid this.

    Then remove the bolts holding the oil pan and slide it out towards the back of the car.

    Pretty sure that is all to removing it going back together it's easier.

    Reason you need to lower the subframe a little is for the oil pan to slide back.

    It sounds like a terrible job but it's really not.

    I also replaced the engine mounts at this time since it is easy.

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

  6. #6
    Join Date
    May 2011
    Location
    Charleston SC
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    6,163
    Ok thanks! That doesn't sound too, too bad
    Do you remember if you had easy access to the oil pump/oil pump sprocket? I'm probably going to install the VAC sprocket and shaft while I have it apart as long as don't have to take off the whole front of the motor...
    Yea I'm going to do the engine mounts too. At 141k, they gotta be shot.
    You know I have the Bentley manual but it seems 50% of the time there is an easier/faster way to do it. That's why I always try to find a DIY before doing anything
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  7. #7
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,280




    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

  8. #8
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,280
    Quote Originally Posted by Sockethead View Post
    Ok thanks! That doesn't sound too, too bad
    Do you remember if you had easy access to the oil pump/oil pump sprocket? I'm probably going to install the VAC sprocket and shaft while I have it apart as long as don't have to take off the whole front of the motor...
    Yea I'm going to do the engine mounts too. At 141k, they gotta be shot.
    You know I have the Bentley manual but it seems 50% of the time there is an easier/faster way to do it. That's why I always try to find a DIY before doing anything
    Posted some pics.

    Yeah the oil pump and sprocket was easy to see.

    I thought about the vac products but didn't see the benefits

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

  9. #9
    Join Date
    May 2011
    Location
    Charleston SC
    Posts
    6,163
    Ok tnx for the pics. Did you remove the harmonic balancer?
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  10. #10
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,280
    I did not.

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

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