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Thread: E36 M43 to E46 N42 Engine Upgrade.

  1. #1
    Join Date
    Jul 2006
    Location
    Gabs,Botswana
    Posts
    4
    My Cars
    E36 316i

    Question E36 M43 to E46 N42 Engine Upgrade.

    Let me first take this opportunity to say hie to all good people of this forum since i am new here.
    Could u help me with this one, i am a proud owner of E36,1997, 316i and dont wanna let go of the car. I have a few problem though coz i sometimes feel its not quick enough. Now what i wanna do is carry out an engine uprade say 318is(M44) but when i checked the specs i cud see that a E46 318i(N42) is quicker than IS and now waz wondering if its possible to swap M43 for N42 motor. What other parts, except the motor do i need to replace under the hood?

  2. #2
    Join Date
    Nov 2007
    Location
    Croatia,Zagreb
    Posts
    216
    My Cars
    E30 316i
    Well it would be hard swap,better swap is M50 or M52,it will cost less,directly bolt on...or even M44 its good but not so much quicker than 316i.So n42 could be in e36,but to much work for little gain i suggest you sell 316i and get something faster and still reliable.

  3. #3
    Join Date
    Jan 2008
    Location
    Newport Beach, California
    Posts
    3,262
    My Cars
    1998 750il.
    What about an S54 swap?
    Quote Originally Posted by ynottony View Post
    Yup. Just like we are teaching the middle easterners democracy by bombing the crap out of their country.

    Some people only learn when hit over the head....
    Quote Originally Posted by glwillia View Post
    I've had both, and I have to say they're comparable. Anal w/ no lube == getting it dealer serviced, an E32 with original suspension == doing a fat chick, and so on.

  4. #4
    Join Date
    Sep 2009
    Location
    Estonia
    Posts
    2
    My Cars
    BMW 316i
    I want know how is swap 316 e36 to m43b19 engine that is too e46 engine and same fast as m42,m44 but 8V :P .

  5. #5
    Join Date
    Nov 2023
    Location
    Aruba
    Posts
    2
    My Cars
    1994 BMW E36 Sedan
    Hi, I'm new here. I have a E46 316i with engine problems and got offer to swap the engine to a E36 318i engine. The E36 318i engine has low milage. Both engines have an automatic transmissions. My question is if swapping to the E36 318i gives compatibility issues. Like can I use the E46 316i transmission with the E36 318i engine or do I have to swap the transmission as well. Further does the swap give any other complications for the functioning of the car and do I get connections problems or does all components work in the E46 after the swap.

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