5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
hi chaps im in need of some help with my e39 528i auto 1997.it strugles to start and once it has there is no power realy at all.it will tick over perfect i have change the air flow sensor new plugs and checked the coil packs any info would be most apprecated. i have been told it could be the egr?but im new to bmws so havent got a clue:
Does it have an EGR? If it does then either remove it and thoroughly clean it with petrol (or Thinner) with a small brush then refit it, or, totally remove it and replace with blanking plates and then maybe get a re-map to cancel any future fault code !!
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thanks for your advice hopefully that will be the problem.i cant seem to get to the bottom of it .diagonstics didnt show anything and ive tried a few things now. could it also be the fuel fillter?also could it be my cats?thanks again
Also look at the intake manifold and associated intake ducting to see if there are any leaks/cracks.
Will the engine rev up freely without being in gear?
Is the idle smooth after startup or does it take a while to settle?
Is there any performance variation between when the engine is hot or cold?
Can you smell any unburnt fuel in the exhaust gases?
hi once the car has started it ticks over fine but when in drive there is no power hardly at all it seems to be worse as it gets hotter it started with just the starting prob and still had power when in drive but slowly got worse any info is greatly apreceated
[QUOTE=hanz123;638568]hi once the car has started it ticks over fine but when in drive there is no power hardly at all it seems to be worse as it gets hotter it started with just the starting prob and still had power when in drive but slowly got worse any info is greatly apreceated [/sorry yeah it does rev up freely with out being in gear
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