N55 whining noise

I have a 2009 BMW X5 (E70) and I am getting a loud whistling sound when I accelerate. I've read quite a few BMW forums and this seems to be a common problem with BMWs. From what I read, it seems to be the throttle body boot. The problem is that I don't think my 2009 BMW X5 has this part. I believe the last model to have this part was the 2006 ...

Whining noise from the oil cooler housing. ... (Z4 3.0SI N52 engine) into work this morning only to hear a nasty whining noise from the engine when I got there. It ... My Auxiliary/Condenser pusher fan started getting louder and making a whining noise recently. I had the fan tested and it didn't run beyond 30% capacity. I may try the DEPO Ebay brand? Looks like my relay and wiring is fine.

If you are in the market for an N54 powered BMW and just read that list, you are probably reconsidering your choice. “Well, maybe an N55 is better”, is likely running through your mind. It definitely did when I was looking for my 135i…but the substantial difference in tune-ability between the N54 and N55 is what brought me back. BMW’s timing chain problem comes back to haunt carmaker Irish solicitor ‘inundated’ with BMW owners keen to sue over N47 diesel engine failures Tue, Nov 15, 2016, 20 ... NHTSA — Engine Problems. ... N55 engine) at 86,000 miles. ... engine failure engine defect noisy engine engine knock intake manifold gasket leaking coolant oil sludge whining noise stalls while ... (1) my ac display light is blinking on and off constantly. (2) when I try to lock the doors the actuators make noise but none of the door locks non goes down I have to manually lock the driver door with the key only the gas tank will lock.(3) the dash display light will come on sometimes then another time it just blink and go out blank. All turbochargers make some amount of noise – and most people don’t even notice it. However, if the whistling sound gets louder, more noticeable, or changes in any way, it could be symptomatic of a number of different problems, that all warrant further investigation. Potential causes of turbo noise include:

Last year I wrote a post about a special warranty that covers what BMW calls Super Ultra Low Emission Vehicles, or SULEVs. These cars were built with a special, fully integrated fuel tank and fuel filter to reduce accidental emissions to the atmosphere, and can’t be repaired without huge expense. Feb 24, 2013 · My f10 n55 fuel pump makes noise when fuel level is above 1/4 but below 1/2 tank. It is a gurgling noise and is VERY LOUD. Can hear while driving and while parked. I replaced pump at my cost of $700 and STILL have the noise !!!! Now i am thinking of either sound proofing the rear tank/seat area or maybe upgrading fuel pump to a higher flow pump. If the two become misaligned or the connection breaks as the result of a bad timing chain, the engine fails to run properly or won't run at all. The timing chain can make a variety of noises, and most often other parts of the engine are blamed for timing chain noise.