Would that also cause the other warning lights such as BRAKE, ABS, etc to light up?

HI, I HAVE A LOUD STRANGE NOISE FROM MY CAR. ITS A 2002 E53 4.4I. ITS SOUNDING LIKE A HOOVERCRAFT. WE HAD THE CAR TAKEN APART TO CHANGE THE TIMING CHAIN GUIDES AND WHEN WE PUT IT TOGETHER WE HAVE THIS NIOSE COUPLED WITH A AMBER LIGHT ON DASH (deterioration of exhaust emission control values?)

the only thing i can think of is that we started the car with a pipe off the secondary air pump but fixed this.

does anyone have any ideas? this car is costing me a fortune!!

video of problem http://www.youtube.com/watch?v=uv-mrfOE9V0&feature=youtu.be

it varies with revs and never goes away!

The DSC unit has arrived back from the repair two weeks ago. I have installed it right away and the vehicle is back to normal with no warning lights on the dash board. :bmw: The repair was done by Where do I start?. The cost for rebuilding the Bosch 5.7 for my X5 was $300.00. After the repair I did not have to mate the module with the vehicle's computer. This saved me a trip (and the money) to the Dealership. :D Everything worked out very well - they indicated what was wrong with the unit and what was replaced; upgraded the circuit to prevent from a similar failure in the future, and gave 5 years warranty. On their website there is a simple step-by-step instruction on how to diagnose problems with the module and what to do next.:thumbup:
...I keep driving - 5,000 km after replacing the chain guide rails and keep counting... What would be the next and when?...

hi, turned out my noise was a locked up fan clutch and the light came on because i forgot to attach an airpipe.


however, ever since we put the car back together it hasd been hemeridging oil! i dont know where it is coming from. i have just changed the rocker cover gaskets but still no luck. Any thoughts on where it could be coming from? i left it overnight and it lost half a litre! seems to be leaking when stopped for some reason and not so much when engine is going!

Hi Livefreeordie,
I would check the oil separation system. This was one of the first things that I had to fix on my vehicle after I had purchased it. Almost any other time when I shut the engine it would siphon a pool of oil on my driveway.
...Both of the vent hoses #4 and 5 were mashed inside and flattened. The oil return hose #13 was disconnected from the rear intake manifold cover (that tiny plastic nipple just broke off). I have replaced all of the components including the cover. That was more than two years ago. No problems with leaking or dripping oil since that.
I hope this will help.
Good luck!

Sergei-e, I was very impressed with the work you did on your X5, thank you for sharing your experience with us. BTW how much did you pay for the cam alignment tool?

Hi mgbmwx5,

Thank you.

I have ordered the tool from Ebay for $355.00:

BMW M60/M62 Camshaft Alignment VANOS Timing Tool Set (180871524067) Price: US $355.00, Qty: 1

Hi everyone,
I thought I should post an update on the project. Yesterday I have changed the oil and filter in the vehicle at about 10,000 km after the timing chain guides replacement. As I was planning I have dropped the oil pan and inspected it. On the bottom I found two plastic pieces of the old guide rails lining about 3/4" long and another little piece about 1/4" x 1/4". I did not find anything else there and the strainer of the oil suction pipe was surprisingly clean (except one flake of the RTV gasket that I used during the assembly) – no aluminum shavings at all. The filter (a third one after the repair) yet still had traces of small aluminum shavings here and there. Overall everything seems to be OK, no issues at all with the oil pressure. I am planning on changing the oil next time at my regular intervals of 10,000 km.
…As my next project I have to replace the rear subframe bushings. One day I heard the rear suspension clanking when my wife was pulling out of the driveway. I have dropped one corner of the subframe at a time a discovered that all 4 bushings were shot (the metal inserts completely disintegrated from the rubber housings). I have made a band aid fix by temporary jamming 3/8” thick 4” O.D. x 1.5” I.D. rubber washers in the assembly stack (shown on the picture) to keep the metal inserts in place and it did the trick: the suspension is back to normal – everything is solid and no clanking while switching from reverse to forward. This should last for a few months until November or so when I am planning to replace the bushings with new ones …but now – it is salmon fall run that will keep me and the vehicle elsewhere away from any repair activities.

WOW! You overpaid.

Got mine for less then 1/2 that price.

BMW M62 cam timing tool | eBay

Hi TiAgX5,
If you are planning on removing a timing chain or replacing your VANOS units you will need two VANOS alignment tools and a special socket for VANOS alignment. They are shown on the pictures. I have purchased a set with these tools included plus a chain pensioner block and a deep socket for VANOS solenoid valve.
I hope this helps.