Close

    • Weistec oil / air separater available for M156 and M159 (63 AMG) motors - $529.99

      This oil and air seperator can be used on stock cars to cars that are highly modified even with superchargers. What does it do? It reduces oil retention by the engine and reduces knock. Essentially, better for your motor assisting longevity and acting as a preventative measure. From Weistec, "As the excess crankcase pressure is vented through the PCV valve and into the intake manifold the engine will eventually draw in, not only air which is wanted, but also particles of aerated oil which creates instability in power due to the low octane level of oil."

      Key Features:
      • Eliminates the anti octane properties of oil
      • CNC machined 6061 aluminum
      • Hard anodized to military spec
      • Direct bolt in for M156/M159 vehicles
      • Utilizes brass filter elements
      • 100% serviceable
      • Flexible and reversible mounting and installation
















      Pictured below is a typical intake manifold from an M156 engine after 8,500miles (13,700Km). It is very clear the amount of oil that is being drawn in by the engine.









      Please contact @Weistec for any questions or to order.

      This article was originally published in forum thread: Weistec M156/M159 Oil / Air Separator started by Weistec View original post
      Comments 81 Comments
      1. LZH's Avatar
        LZH -
        Anyone see all the negative remarks about this over on MBW?? LOL!!! What a bunch of idiots.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by LZH Click here to enlarge
        Anyone see all the negative remarks about this over on MBW?? LOL!!! What a bunch of idiots.
        Negative why?
      1. JRCART's Avatar
        JRCART -
        Click here to enlarge Originally Posted by LZH Click here to enlarge
        Anyone see all the negative remarks about this over on MBW?? LOL!!! What a bunch of idiots.
        LOL, ya they are griping about the cost...$35k motor and people saying it should retail for $100-$200. These are the same d bags that probably run non-synthetic at oild change time and run regular unleaded at the pump.
      1. ecampbell's Avatar
        ecampbell -
        idiots....time to post something over there. I have this installed on my car and as Jimmy would say...a 35K motor and you are complaining?
      1. Sticky's Avatar
        Sticky -
        Ok, some of it is amusing.

        Click here to enlarge Originally Posted by CELLryuu[/quote Click here to enlarge
        i was considering a weistec supercharger until i saw this.
        Oh, a $500 part dissuaded you from spending around 30 times that eh? I was considering buying the Lakers until I saw the price of their season tickets.
      1. hooleyboy's Avatar
        hooleyboy -
        Great job Weistec!
        There will be some that don't understand what machining a piece out of solid billet aluminum cost, the CNC programming, the R&D, The cost of materials and equipment. I mean AN fitting alone on this kit are not cheap. Weistec has pulled off enough intake manifolds that they are seeing that this problem repeat itself. IMO, if you want to trust a cheap universal cash can than so be it. Or you can make a small investment in a company that knows your engine and has made a product designed for it. If someone is in the market for a product like this for there 63. I wouldn't look any place else. This is a real quality looking product.
      1. JRCART's Avatar
        JRCART -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        idiots....time to post something over there. I have this installed on my car and as Jimmmy would say...a 35K motor and you are complaining?
        Some of these gys have no problem spending big bucks on useless "bling" but god forbid a tuner devolops a useful product...it must be a waste of money LMAO.
      1. LZH's Avatar
        LZH -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Ok, some of it is amusing.

        i was considering a weistec supercharger until i saw this.
        Oh, a $500 part dissuaded you from spending around 30 times that eh? I was considering buying the Lakers until I saw the price of their season tickets.[/QUOTE]

        That was one of the ones that got me...what a $#@!in tool. I know...it's soooooo offensive that someone would price this thing over $500 that it would make you change your mind about buying the blower. LOL.
      1. LZH's Avatar
        LZH -
        Click here to enlarge Originally Posted by hooleyboy Click here to enlarge
        Great job Weistec!
        There will be some that don't understand what machining a piece out of solid billet aluminum cost, the CNC programming, the R&D, The cost of materials and equipment. I mean AN fitting alone on this kit are not cheap. Weistec has pulled off enough intake manifolds that they are seeing that this problem repeat itself. IMO, if you want to trust a cheap universal cash can than so be it. Or you can make a small investment in a company that knows your engine and has made a product designed for it. If someone is in the market for a product like this for there 63. I wouldn't look any place else. This is a real quality looking product.

        EXACTLY.
      1. pit-pony's Avatar
        pit-pony -
        Should this be removed each time before going in for service at the dealer?

        What could they say if they saw it?

        The MB dealers can be pretty anal.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by pit-pony Click here to enlarge
        Should this be removed each time before going in for service at the dealer?

        What could they say if they saw it?

        The MB dealers can be pretty anal.
        I really don't think one would have to go to that extreme. If anything, they should pat you on the back for running it.
      1. LZH's Avatar
        LZH -
        Click here to enlarge Originally Posted by JRCART Click here to enlarge
        Some of these gys have no problem spending big bucks on useless "bling" but god forbid a tuner devolops a useful product...it must be a waste of money LMAO.
        What's really comical is that these dumbasses complaining about it being overpriced compared to some off the shelf item for say $200 don't even realize that the same $200 catch can really only costs about $50 in materials while the Weistec unit probably has something like $300 in high quality materials. So the cheap ass made in China $200 catch can is actually marked up higher than the Weistec unit if you look at sheer numbers....Yet these idiots would rather be gouged more so they can save a few bucks. Makes no sense at all. I bet these are the same guys who got their c63 as a graduation gift for maintaining a sold B average in college LOL.
      1. Sticky's Avatar
        Sticky -
        Is there even a catch can alternative for the M156? If not, technically this would be the cheapest on the market.
      1. Itsbrokeagain's Avatar
        Itsbrokeagain -
        Man thats some high quality $#@!. Those fittings average 20 a piece. Plus with all the r&d design going into it, I wonder if there is a way I can retrofit it to a bmw!
      1. Weistec's Avatar
        Weistec -
        Thanks for the compliments guys. Below are a few pictures of the Oil/Air Separator installed in a car.

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Click here to enlarge

        Please visit our website for further information. http://weistec.com/products.html Thanks again!

        Weistec Engineering
      1. Sticky's Avatar
        Sticky -
        Great photos, thanks.
      1. hworang00's Avatar
        hworang00 -
        Haha, a wise man (the guy above my post) told me that you have to pay to play...why would you pay that much money for a car then complain about 500 bucks? I'm all for saving money and all that, but from what I gathered about Weistec is that they are the go to guys to take the M156/M159 to the next step. Haha, if these engines were widespread then it could be 200 bucks, but I bet most of those guys over there bought the car to get something unique...You can't eat your cake and have it too...
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by hworang00 Click here to enlarge
        Haha, a wise man (the guy above my post) told me that you have to pay to play...why would you pay that much money for a car then complain about 500 bucks? I'm all for saving money and all that, but from what I gathered about Weistec is that they are the go to guys to take the M156/M159 to the next step. Haha, if these engines were widespread then it could be 200 bucks, but I bet most of those guys over there bought the car to get something unique...You can't eat your cake and have it too...
        It's a good option, people want things for free.
      1. hworang00's Avatar
        hworang00 -
        Man, I was just looking at the pics again...I can't install this on my own can I? I'm going to need it installed by someone.... >_<
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by hworang00 Click here to enlarge
        Man, I was just looking at the pics again...I can't install this on my own can I? I'm going to need it installed by someone.... >_<
        For you it would be best to have someone install it.