Beyond the diesel engine, the rest of the X5 package was not without problems, either. Those can include electronic issues, poor water sealing around the body, noisy suspension and problems with petrol-engined variants as well. Fundamentally, this was not BMW’s finest hour quality-wise. It’s also worth noting that even though the BMW brand In addition, some cars need valve seals replaced, and some experience rear differential failure. We bought our 2008 X5 4.8 in 2011 with 38k miles. It now has 95k and has experienced all of the above except valve seals. If your friend isn't willing / able to do his own work these things can get outrageously expensive. Does the X5 4.8i have more issues with the transmission failures? I don't run the thing hard, but don't hesitate to feel the pony's once in a while. To answer you directly, no, I'm not looking for random testimonials, just a little guidance. The 4.8is almost seems like the best compromise of performance and maintenance - as the 4.8 liter seems to be the quite a bit more common than the 4.6. Perhaps I'm not looking at it the right way, but after the engine failed in my E39 540i I'm a little bit more wary of the v8 reliability. I'd rather get the x5 than a range rover though. This problem started suddenly while i was driving uphill. Engine lost power, i had to pull over. Let it sit for about 1-2 min. and than start it. Still misfired, and check engine light was blinking as i accelerated. Also, when i got the car (2 weeks ago), was very low on oil, i mean low. I poured in 6 quarts and it is barely on minimum. BMW X5 4.8L ECU Tune Upgrade. Sometimes you need a little more pep in the step of any vehicle, including the BMW X5 with the 4.8L engine. The N62 engine produced 355 horsepower with 358 ft/lbs of torque which is no slouch. But unlike the newer twin turbo 35I or 35D vehicles, a bit more throttle response and performance is always a good thing. UqW3y. 2007 X5 4.8 Reliability. I'm looking at a used 2007 X5 4.8i -- 68k miles in great shape for $23k retail (starting ask). I could probably get for under $20k. I know the previous owner, she ended up getting it bought back from the VW dealer she bought it from because the electrical system had gremlins that drove her nuts. X5 misfires. Hello everyone, new to this forum. I have a BMW X5 4.4 with some issues. It started with a cylinder 8 misfire and now has misfires on 1, 4, 5 and 8 ( the four corners of the engine). I have checked the plugs (little carbon) and swapped coils, but get the same codes on the same cylinders. Is there something that controls or affects 2008 X5 4.8i with power lift gate. Car was at detailers and they were closing the trunk manually without pushing the close button. Since then it stopped closing using the close button on the trunk lid. However it would still open as it should using (using the interior button, key, or pressing trunk handle). I would have to close it by hand. BMW X5 COMMON OIL LEAK LEAKING OILIf you have BMW X5 and you have oil leak, your engine is leaking oil and you have 6 cylinder engine we will explain the mo 2007 X5 4.8i Sports, Active Drive, Rear DVD, 7 Seaters 2011 Mini CooperS Countryman ALL4 Black 2013 Nissan Juke Nismo AWD 2011 Mini CooperS Countryman ALL4 Royal Grey 2007 MB ML63 AMG 2007 X5 4.8i Sports, Active Drive, Rear Entertainment 2007 Acura MDX SH AWD Elite Package 2008 Infiniti EX35 Journey iAWD 2003 Nissan Murano SE AWD AC / heater problems 1. suspension problems 1 NHTSA complaints: 3. windows / windshield problems 1. seat belts / air bags problems NHTSA: 53. fuel system problems NHTSA: 50. brakes problems NHTSA: 15. drivetrain problems NHTSA: 9. interior accessories problems NHTSA: 8. miscellaneous problems NHTSA: 8.

bmw x5 4.8 is common problems