fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
13,700 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2013 BMW X5 fuel system problems

fuel system problem

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2013 BMW X5 Owner Comments

problem #2

Mar 142015

X5 6-cyl

  • 26,900 miles


No accident, just a safety issue with acceleration delay. Total lack of acceleration at a stop to go. There is an inherent lag until the transmission kicks in and goes, about a half second delay. This is obviously not good when trying to get into busy traffic whether at a light or merging. I have talked to BMW tampa and ran a diagnostic without success for a fix. They even admit there is an issue with this but BMW germany guys they say won't change their thinking or fix the issue. In a nutshell it's as if the fuel doesn't get to the injectors until a.05 delay. This is not safe, point blank.

- Dothan, AL, USA

problem #1

Oct 182012

X5 8-cyl

  • 500 miles
Vehicle developed significantly reduced fuel mileage after the first 500 miles. In town range dropped by 40% to 7.8 mpg over the same route, independent of gasoline source or grade. Exhaust gases are very hot and exhibit a pronounced sulfuric, gunpowder like smell. Electrical fans constantly on during city driving attempting to cool the engine. Excessive carbon build up on exhaust components. Engine exhibiting rich running condition. A persistent mechanical engine whine developed emanating from the oil pump, possibly the alternator area of the engine compartment, peaking at 1700-1900 RPM under load. At 1,200 miles, the 8 speed automatic transmission developed erratic shift behavior between 1st-3rd gears. At fairly constant speed, the transmission is shifting between 1st and second gear, alternating up shifting and downshifting without establishing proper gear. Coming to a stop, vehicle surges revolutions by up to 500 RPM on the 3-2 downshift and up to 800 RPM on the 2-1 downshift, causing a sudden and abrupt halt, engine braking effect. Behavior is most pronounced in standard D transmission mode, minimized in ds mode and completely absent in manual mode with automatic downshift. At 2,200 miles, gunpowder like exhaust gas smell more pronounced and evident while average fuel mileage dropped to 6.4 mpg over the same course. Transmission experienced two incidents of failing to up shift into second gear followed by a mechanical clunk and sharp jolt after finally getting in gear. Vehicle does not exhibit any stored or active fault codes within the on-board diagnostics.

- Brooklyn, NY, USA

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