1997 e36 328 m52 auto 323 manual

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  1. 1997 e36 328 m52 auto 323 manual 
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    i am putting a 2.8 m52 in a 2.5 m52 the 2.8 is auto can i run the engine loom or should i put the 2.5 with traction control loom on it.
    thanks H
     
     

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    Are you using the manual box on the 2.8?
     
     

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    yes i am using 2.5 manual box on 2.8 but the auto 2.8 (donner) has not got traction control .
    Have looked in the 2.5 ecu and there is a relay box with the ecu
    I have both cars next to each other.
    So can change all parts if possible.
    H
     
     

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    The 2.5 runs OBD1 and the 2,8 runs OBD 2 so there are differences in the 2 wiring looms..
    The 2.5 and 2.8 run different ECU pin positions as well. TBH I would ditch the traction control and fit an LSD instead.
     
     

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    correct me if i am wrong but does a 2.5 box fit as i thought the clutch and fly wheel are to big for the housing on a 2.8, o dum arse , if you use the 2.5 fly wheel and clutch your'll be fine mate
     
     

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    Quote Originally Posted by RJB328i View Post
    correct me if i am wrong but does a 2.5 box fit as i thought the clutch and fly wheel are to big for the housing on a 2.8, o dum arse , if you use the 2.5 fly wheel and clutch your'll be fine mate
    328i has a 240mm flywheel and the 2.5 has a 228mm flywheel. As the 2.8 is an auto you should be able to use the flywheel and clutch assembly from the 2.5..

    Just noticed your edit Ralph....
     
     

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    To avoid any confusion I think the OP is asking about replacing an M52 323 engine (2.5 litre)with an M52 328 engine.

    As far as I know the looms are exactly the same, as is everything else apart from the main map on the ecu.

    If it were an M50 2.5 litre, then it would be a different kettle of fish.
     
     

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    Quote Originally Posted by RJB328i View Post
    correct me if i am wrong but does a 2.5 box fit as i thought the clutch and fly wheel are to big for the housing on a 2.8, o dum arse , if you use the 2.5 fly wheel and clutch your'll be fine mate
    Ralph yes it will fit either way!! (The bell housing will be the same on all 6 cylinder models)
     
     

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    Quote Originally Posted by alpina527 View Post
    To avoid any confusion I think the OP is asking about replacing an M52 323 engine (2.5 litre)with an M52 328 engine.

    As far as I know the looms are exactly the same, as is everything else apart from the main map on the ecu.

    If it were an M50 2.5 litre, then it would be a different kettle of fish.
    yep the m52 2.3 and the 2.8 obd2 run the same seimens ecu so use the same loom m50 2.5 obd1 runs on bosch ecu which has different pin positions
     
     

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