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BMW X3 Most Common Problems

29
thermostat
24
valve cover gasket
23
ignition coil pack
22
coolant reservoir / expansion tank
21
oil filter housing gasket / oil filter stand gasket
16
coil spring
15
starter
13
radiator hose / engine coolant pipe
13
water pump
11
strut (suspension)
11
transfer case (PTU, PTO) / center differential / angle gear
11
transfer case (PTU, PTO) servo motor
9
rattle or squeak, sunroof or convertible top
9
VVT (variable valve timing) solenoid / actuator / motor / servo / cam phaser
8
driveshaft (longitudinal)
8
entire turbocharger
8
hinge or lid for glove box or storage compartment
8
valve cover
8
windshield washer pump / motor
7
damper / shock absorber
 
3   6   9   12   15   18   21   24   27   30  
Chart is based on 558 vehicles in TrueDelta's reliability survey.
These are the problems owners most commonly reported on TrueDelta's Car Reliability Survey. For many models not all entries have been coded yet, so focus on the relative numbers rather than the absolute numbers. Usually when people say "they all have this problem," the problem in question actually affects between 10 percent and 20 percent of all cars. We aren't counting wear items like brake pads and rotors that truly do require periodic replacement on all cars.

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