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  1. #1
    JB007
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    Yes | No

    Alpina V8 4.6 euro missfire

    Hi. Can anyone tell me where the camshaft and crankshaft sensors are please. Are they easy to replace?

    I understand that there are 2 camshaft sensors (intake and exhaust). Which one and how should I change first? I have the M62 engine and in UK.

    thanks.

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    Member No: 4328 jimlev will become famous soon enough jimlev will become famous soon enough jimlev's Avatar
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    Assuming your 4.6 is similar to our 4.4's 540's (m

    The cam sensors are on the front of the heads and the crank sensor is in lower side of the bellhousing of the tranny lined up with the flywheel to count the teeth as they pass by.
    You should get the code read before you start replacing parts, it might be something else.


  3. #3
    JB007
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    Re: Assuming your 4.6 is similar to our 4.4's 540's (m

    I think it is a M62 engine rather than the M62TU but how do I check this?
    Indeed the 4.6 is similar to the 4.4,as it is rebored by Alpina. Do you know what code is for the camshaft and what code is for crankshaft? I have a code reader but I do not know where to get the codes deciphered from. Is there a link?

    Thanks for the swift input.

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    If you have a cable actuated throttle it's an M62(

    The drive by wire is an M62tu engine. They could have different codes.
    Give me the production date if you have it (if not just the year) and I'll look up the codes.

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    Production date is on the driver's door jamb.


    Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.

  6. #6
    JB007
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    Re: If you have a cable actuated throttle it's an M62(

    I think its cable activated throttle and build date is 3/98

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    A 3/98 would have a cable and an M62 engine (m

    One cam sensor in bank 1, code would be:
    P0340 (BMW-FC 112) Camshaft Position Sensor

    Crank Sensor:
    P0335 (BMW-FC 111) Crank position sensor A circuit
    P1396 (BMW-FC 78) Segment timing plausibility

    P0301 to P0308 Cylinder misdire detected
    P1585 Misfire detected with low fuel

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    Is your engine an M62, or M62-TU?>>

    If the latter, there is a sensor on each intake camshft. The P-code will point to the bad sensor, if that is indeed the problem.

    A failing CPS will typically cause violent bucking, and stalling.
    Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.

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