My BMW X5 (2003) diesel automatic cuts out when I am driving. It appears to be a problem with the fuel supply - there is plenty of diesel in it and it may cut out up to 10 times on a journey. The filters have been changed. I did let the tank run right down to empty recently and the problem seems to have started then -is the feasible and how is it rectified.
Your description reminds me of several vehicles I have encountered in my career that behaved in a similar way. They had all had body repairs at some previous time near the fuel filler and all gained something in the fuel tank - cloth or worse a plastic bag that was used for masking purposes.
One van was fitted with a high pressure pump by the dealer at a massive cost only to discover there was no improvement - they later removed a plastic bag from the fuel tank.
Water in the tank is another possibility. If there is a strainer in the tank it will be typically too fine for water to pass through.
If there is no obvious faults I suggest you ensure there is nothing in the tank but good clean fuel and the pipework is good including the breather system.
SOURCE: Location of Oilf Filter on BMW X5 4.4i V8 Engine
Hi, the oil filter is located on the underside of the engine next to the oil drain plug usualy black in colour, hope this helps. regards mark.
SOURCE: Location of Oilf Filter on BMW X5 4.4i V8 Engine
Depends on the engine, if its a M62, its under the hood, torwards the front drivers side. 
If it a N62, it is on the underside of the vehicle, next to the oil drain plug. Its the black plastic housing with a 6mm allen bolt in it(thats used to drain the oil out before removal)
SOURCE: BMW X5 2001 -DRIVER OUTSIDE DOOR HANDLE WILL NOT OPEN DOOR.
DRIVER OUTSIDE DOOR HANDLE WILL NOT OPEN DOOR. FROZE UP IN ICE STORM AND APPEARED TO BREAK WHEN TRIED TO OPEN DOOR. INSIDE HANDLE STILL WORKS. IS DIY REPAIR FEASIBLE?
SOURCE: BMW X5 CAMSHAFT POSITION SENSOR A .SHOW DIAGRAM
hi i have a diagram if you would like it i could email it to you and there are 2 of them does it say which one it is? you can email me at
[email protected]
and i will send you the diagram hope this helps
SOURCE: BMW X5 4.4i Transmission lags or slips
filter and fluid. If that doesn't do it $4000 should do it.
Hello
The
Engine and Automatic Transmission (not applicable to manual
transmissions) in this vehicles drive train are fully
electronically controlled by a computer called the PCM and TCM (Power
Train Control Module, Transmission Control Module). When a problem
like this or other drive-ability related problems occurs the computer
stores a record of the problem (there are of course some exceptions
to this, like the fuel pump, engine coolant temperature sensor and
MAF sensor for instance) in the form of a fault code in its memory,
to read these fault codes you must have the systems memory scanned
with a special tool. Once the fault code(s) are read you then must
perform the appropriate diagnostic testing to find and resolve the
problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED
TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD
EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always
check fuel pressure for correct spec for your make and engine type.
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