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zero

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  1. 10 hours ago, 3pedals said:

    E39 is not a heavy or lardy car with a six in it, we had a 528 tipped the scales at 1520kg and most medium spec ones are around that weight.

    Both the E28 and E34 M5's were straight sixes - chucking a more modern performance 6 into an e39 shell would give you a "Pure m5" re- imagined  and make the most of a very nice chassis  

     The V12 is just a bigger lump of lard 

    The curb weight of a touring e39 530i is 1750kg, and a touring e39 540i is 1845kg.

    Why go to all the expense of installing an m3 engine when it has considerably less torque than what the 540i came with from the factory?

    And thats all before we even mention the s62 from the m5.


  2. Out of all the choices, I like @BM WORLD's  v12 idea most.

    No point putting in an engine that it came from the factory with, and the costs will be several times more its value.

    The six cylinder options are underpowered in a heavy car - the m3 motors on offer came from cars that are nearly half a ton lighter and are not considered incredibly fast by todays standards.

    Paying someone to do a full driveline swap is going to be super expensive so you might as well go full send and v12 it.

    You will have a very unique car, with torque to burn.


  3. m62 swaps will be expensive to do properly but will be many times better.

    I wouldn't even bother with a b30 swap as the e39 is a heavy car.

    Bear in mind a m62 engine will require the chain guides to be replaced unless it is a very low kms engine. This is not a cheap job.

    As others have said, starting with a v8 e39 makes more sense, but if you are attached to yours, then a donor vehicle will make life alot easier and cheaper.

    Im partway through putting a m62b46 and 420g into a e46 so ask away and I will do my best to answer your questions

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