2003 E39 530D mis-fire problem on No 2 cylinder

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  1. 2003 E39 530D mis-fire problem on No 2 cylinder 
    #1
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    mark3697's Car Details
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    530d se tourer
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    Hi,

    Just wondered if anyone can shed any light/point me in the right direction on a problem that occured on my 530D E39. It developed a serious mis-fire on number 2 cylinder & I feared it may be the dreaded swirl flap problem but on removing the manifold they were ok (Have now blanked them off whilst it was off) Sent the injector for testing & it was completely u/s so was repaired & refitted but it is still running with a misfire which isn't as bad but still not driveable. Have heard horror stories about valves dropping but before I go down the route of having the head taken off just wondered if you guys had any similar problems or ideas? There are no fault codes coming up.
    Thanks in advance.
     
     

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    #2
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    mark3697's Car Details
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    Just a quick update on this. After having the engine stripped down it appears that the tip of one of the swirl flaps has gone into the cylinder damaging the valves!!! Anyone got any idea what a reasonable price is to pay to have this rectified??
     
     

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    matthew_henson's Car Details
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    It depends what damage was done to the piston and bore, it might only be a head off job and new valve(s) but which is cheap on parts (£150) but costly in time (8-10 labour) if the piston is damaged it get more expensive as needs a new piston and more time and if the bore is damaged it would be cheaper to scrap than strip down either further and re-bore
     
     

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    #4
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    mark3697's Car Details
    Model of Car:
    530d se tourer
    Year of Manufacture:
    2003
    Transmission Type:
    auto
    Car Body Type:
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    Cheers Matt.The heads off & it seems that the piston & bore are ok just the valves need replacing. So far it's cost me best part of £200 for gaskets & head bolts £350 to have head skimmed & valves replaced/re-seated. Not had bill yet for it the strip down/re-build. One thing though was trying to get hold of the bolts that hold the vacuum pump on to the head. They sheared off on removal & BMW don't sell them on their own they only come as part of a new cylinder head at a cost of £1800!!
     
     

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