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Chart based on 35 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2014 BMW 3-Series
Engine not specified
8000 mi
Cylinder misfire; computer update completed. Problem remains
Start/stop system not working. Car would not restart at traffic lights when clutch pedal was depressed. Random hesitation at highway speeds with cruise control on. Clutch switch replaced. Start/stop still working intermittently.
49300 mi
Start/Stop system not working properly. Engine would stop as designed but would stall when a restart was attempted. Taken to dealer under warranty. Replaced crankshaft sensor and reluctor wheel.
VANOS (variable valve timing) system was sticking and causing the car to report a "drive- train malfunction" code and run on partial power. Dealer replaced defective or damaged parts, car has been fine since. Dealer also replaced the electric fuel pump as part of a recall.
Thermostat related to heating system failed. Part was replaced.
42000 mi
Fuel cut-off was triggering when attempting to re-fuel the vehicle about 9 times out of 10 gas station visits. Generally it would shut-off the pump at about 1/4 tank, and do so repeatedly until the tank was about 1/2 full. Multiple visits to service always resulted in "cannot fix because we cannot replicate the issue" scenarios, until we got fed up just before the warranty ended. Dealer finally replaced the entire tank and the problem has not recurred.
27900 mi
C $850
Thermostat failed with check engine light. Dealer replaced for $850.
31200 mi
Thermostat replaced under warranty
18000 mi
Check engine light with code P0597, which is a bad thermostat. Dealer replaced thermostat.
Malfunction light turned on, car ran into limp mode. EGR Cooler Replaced, DEF Metering Valve replaced, and EGR Valve.
86000 mi
US $95
coolant loss...no leak found but coolant added
33320 mi
Check engine light came on. Dealer determined NOX sensor before cat converter was bad. Removed sensor and replaced.
24000 mi
Faulty Fuel Injector
42000 mi
US $220
Small leak in radiator hose
78000 mi
US $1500
Replaced Fuel Injectors
62000 mi
US $300
2 NOX Sensors had gone bad and 1 diesel particulate sensors. The dealer changed the two NOX sensors for free under the 70K emission mandate of NJ but wanted to charge me $800 to change the diesel particulate sensor. Got my diesel particulate sensor replaced by an independent shop
Replaced Fuel intakes, injectors, gas tank, Timing Chain. Covered everything under warranty.
2000 mi
CEL: Diesel Particulate Filter Sensor replaced
14000 mi
Check engine light - diagnosis particulate sensor pipe plugged, ran test plan for fault. Programmed vehicle per diag code D1361. New sensor ordered. Customer to return for new sensor install.
14500 mi
Sensor associated with particulate filter ordered in December 2014 was installed in January. Repairs were satisfactory no new check engine lights.
86000 mi
US $680
EGR valve replacement
79000 mi
US $50
Faulty fuel injector.
46500 mi
NOx sensors replaced due to check engine light, done under warranty.
Check engine light was on, some sort of electrical error. Took 6 months to get the part to replace.
57040 mi
C $1200
DEF ECM replaced. BMW ECM OEM part replacement + labour.
P20e8 code was the actual ODB error.
66960 mi
C $320
EGR valve emissions light. Repair was to clean the valve housing and the intakes
3000 mi
US $650
engine first made knocking noise and 8 hours later, it suddenly stopped running while driving. Initial diagnosis from dealer is that engine needs to be replaced. Dealer is waiting for direction from manufacture.
5000 mi
whole engine needed to be replaced.
10300 mi
low coolant light on. test found no leaks. added coolant and reset light.
42000 mi
check engine lights came on. Parking lamb malfunction.
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2014 BMW 3-Series problems occur, check out our car reliability stats.