2001 E46 330i, possible ecu prob need advice ??

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  1. 2001 E46 330i, possible ecu prob need advice ?? 
    #1
    Bimmer Fan
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    JohnGould's Car Details
    Model of Car:
    330ci
    Year of Manufacture:
    2001
    Transmission Type:
    Manual
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    Coupe

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    hey my 330ci msport is misfireing when generating high revs ? checked fault codes just keeps saying cylinder 6 misfire? or cylinder 6 misfire with fuel cut off p1353

    i have changed the coil pack
    changed the spark plugs
    checked compreshion all good at 180
    moved the injectors around but still keeps saying no. 6 ??

    i have visually checked wires and foound there is 3 wires from connector on coil pack on no.6.
    So found that shares common earth and common feed so they are ok because all rest are ok!

    there is one wire black and purple which goes from plug to ecu ?? all fine continuity ok no short to earth or live?

    this is where i need advise ? opend ecu found slight water marks in and rusty or soulder on 1 chip ?? could this cause intermitant missfir at high revs ??

    also can i just swap an ecu or are they coded if so i think someone said if i get an ecu lock set and imob ecu it dosent need progg is that true ??

    any advise welcome and thanks
    john (newbie)
     
     

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    #2
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    lee_h's Car Details
    Model of Car:
    318 ci
    Year of Manufacture:
    2000
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    Hi don't know what could be causing your misfire but if you do swap the ecu you can either get yours refurbed, buy a like for like one from BMW or buy one of eBay along with the ews
     
     

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    #3
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    JohnGould's Car Details
    Model of Car:
    330ci
    Year of Manufacture:
    2001
    Transmission Type:
    Manual
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    Coupe

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    Quote Originally Posted by lee_h View Post
    Hi don't know what could be causing your misfire but if you do swap the ecu you can either get yours refurbed, buy a like for like one from BMW or buy one of eBay along with the ews
    If i get a like for like on ebay part no. the same would this have the msport info on it and would it be plug and play ??
     
     

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    #4
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    lee_h's Car Details
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    I don't think so you have to get the exact ecu, it would be cheaper to buy an ecu along with an ews unit from eBay, when I had my ecu refitted the part was £690 + vat, you can get an ecu and ews from eBay for a couple of hundred quid
     
     

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