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BMW 5-Series Most Common Problems

75
water pump
55
radiator hose / engine coolant pipe
50
thermostat
46
valve cover gasket
42
radiator
41
ignition coil pack
36
oil filter housing gasket / oil filter stand gasket
31
engine seal / gasket, other or unspecified or unknown (oil leak)
30
coolant reservoir / expansion tank
25
control arm bushing / compliance bushing / tension strut bushing / thrust arm bushing
23
control arm / tension strut / thrust arm / lateral link
22
alternator
22
fuel injector
22
tie-rod / tie-rod end
20
strut (suspension)
18
starter
17
end link or bushing for stabilizer bar
17
fuel pump
17
oil pan seal / gasket
15
damper / shock absorber
 
8   16   24   32   40   48   56   64   72   80  
Chart is based on 1473 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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