1999 Compact 316 EWS3 EWS2 engine loomproblem

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  1. 1999 Compact 316 EWS3 EWS2 engine loomproblem 
    #1
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    Gti-James's Car Details
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    I have just fitted a 1996 M52B28 into my compact and is all ready to go, problem now is the EWS. with the 316 compact key and ews3 box it will turn over but the EWS2 wont fit as it to boxes instead of one.

    I dont know where to go from hear and after reading some threads some say there is some rewiring to be done.

    can anyone help as i need to get it running asap


    1999 BMW Compact Open Air Edition
     
     

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    EWS III was only fitted to E38 & E39s after 1997 so even if it was from one of those models it won't have EWS III on a 1996.

    Have you read this....

    http://www.bimmerforums.co.uk/forum/...1&d=121837228
     
     

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    There is EWS3 on some compacts.

    EWS2 PINOUTS.
    The plug is known as X1659

    Pin 1 -2.5mm Black/Yellow - Output to starter relay
    Pin 2 -0.35mm White/Violet - connects to any diagnostic line (K-Line)
    Pin 3 - 2.5mm Green/Black - Start signal (+12v) from ignition barrel
    Pin 4 - 0.35 Green - Code signal to ECU -> Pin 10 on ECU.
    Pin 5 - Red/Yellow -Permanent Power supply from fuse 31 / fusebox.
    Pin 6
    Pin 7 - Brown - Ground
    Pin 8 - 0.5mm Black/Green from ZKE/ZVM body control module (deadlocked = no start)
    Pin 9 - 0.5mm Brown/Black - Gear Selector switch (Park/Neutral) for automatic transmission
    Pin 10
    Pin 11
    Pin 12 - 0.35mm Black - TD/Engine RPM signal
    Pin 13 - 0.35mm Blue - Data line from send/receive module
    Pin 14 - 0.5mm Blue/Red/Yellow - Vehicle Alarm Signal - (active alarm = no start)
    Pin 15 - 0.35mm Black/Green CODE function from OBC. Grounding this wire stops the vehicle starting



    These are the important pins-

    5 and 7 ground to power the unit up

    1 and 3 - The EWS box contains a relay that interrupts the starter motor. Bridging the pins will always allow the
    engine to turn over, but without the EWS code, the ECU will not inject fuel or spark. 3 is power in, 1 is power out to the starter.

    2- Diagnostic line - trust me, this will come in handy - it is bi-directional so can be added into any part of the K-Line (also known as TxD) The car will run without this, but it should be connected up.

    4 - Coded EWS signal to the ECU. This signal is the serial number from the ECU. If it does not receive the signal, the ECU will refuse to start.

    13 - Data line from the send/receive module. The send receive module is a small black modem that connects to the ring antenna around the ignition barrel. There are 2 small plugs on this, a 2 wire plug which goes to the ring antenna, and a 3 wire plug of power, earth, and the data line that links into pin 13 of the EWS.


    EWS3 Pinouts-

    Plug Name - X1805

    Pin 1 - Ground
    Pin 2 -Permanent Live from fusebox F31
    Pin 3 -0.35mm Brown/Black - 12v when clutch depressed
    Pin 4 - 0.35mm White/Violet - connects to any diagnostic line (K-Line)
    Pin 5 - 0.35mm Black - TD engine RPM signal from ECU/Instrument Cluster
    Pin 6
    Pin 7 - 2.5mm Black/Yellow - Output to starter relay
    Pin 8 - 2.5mm Black/Green -12v from Ignition switch / Start Signal
    Pin 9 - Power supply from fuse 41- hot in acc/run/start.
    Pin 10 - 0.35mm Yellow/Blue - Direct the EWS ring antenna
    Pin 11 - 0.35mm Yellow/Brown - Direct to EWS ring antenna
    Pin 12 -
    Pin 13 - 0.5mm Black/Green - From ZKE Body control module
    Pin 14 - 0.35 Green - Code signal to ECU -> Pin 10 on ECU.
    Pin 15 - 0.5mm Blue/Red/Yellow - Vehicle Alarm Signal - (active alarm = no start)


    EWS3 removes the Send/Receive module and intergrates it into the EWS controller.

    Important pins -

    1 and 2 - main power supply
    Pin 3 - These cars will have a clutch switch fitted. Bridge this pin to 12v+ to remove it

    4- Diagnostic line- Please connect!

    7-8 These are the starter interrupt wires. bridging these will always allow the engine to turn over, but may hide other problems.
    8 is power in, 9 is out to the starter

    9- Ignition on- this powers up the unit from "sleep"

    10-11 - to the EWS ring antenna

    14 - EWS serial number "unlock signal" to ECU.
    Last edited by TheEnd; 27-01-2012 at 17:31.
     
     

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    l8nitesmoker (01-11-2011)

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    #4
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    lol couldnt find this when i done mine!
     
     

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    I didn't even know the compacts had EWS3, the BMW training info forgets to mention this.

    It isn't the full "EWS3" with big rolling code tables, all that has changed is the send/receive unit which powers the aerial is moved to inside the EWS box, and the plug changes.

    You can either leave the EWS3 in, and sync the ECU, reprogram the new ECU with the old EWS serial number, or change everything to EWS2 spec by adding in a send / receive box.
     
     

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    I'm going to get the ECU matched to the ews3 as the engine dose turn over as it is now, as for the wiring I won't know what's what until I can get it started, I've read somewhere that only the rev gauge and temp gauge don't work without rewiring


    1999 BMW Compact Open Air Edition
     
     

  10. need help please 
    #7
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    Quote Originally Posted by Gti-James View Post
    I'm going to get the ECU matched to the ews3 as the engine dose turn over as it is now, as for the wiring I won't know what's what until I can get it started, I've read somewhere that only the rev gauge and temp gauge don't work without rewiring

    Hi sorry to be a pain and ask on an old thread but im having the same problem did getting the ews 3d module aligned with the ecu work because bmw are assuring me that it cannot be done. due to the dme/ecu being from another car

    ive done all the engine swap everything is in and ready to go its just the immobiliser thats stopping me driving away

    heres the specs

    2000 e36 318ti with ews 3.d

    m52 2.8 single vanos engine + loom with dme/ecu - ews 2 module - ring antenna - key all from donor car

    how can i get my car working easily and cheaply
     
     

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    I used the part number in your pic
    RealOEM.com - Part Search
     
     

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    because on the box its HW v.3, thats why i asked ...
     
     

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