BMW Diagnostics
129 symptoms, 440 causes, 6 dashboard codes
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Start with the symptom you can feel, hear, or see, or the warning light on the dash. Each page explains the most likely causes for a BMW, what a mechanic checks, and what parts fix it.
Dashboard lights and codes
Common symptoms
All BMW symptoms (129)
Backfire on DecelBad Ball Joint SymptomsBad Strut SymptomsBad Tie Rod SymptomsBall Joint NoiseBattery RegistrationBent Wheel SymptomsBlack Smoke from ExhaustBlue Smoke from ExhaustBoost LeakBouncy SuspensionBrake Fluid LeakBrake JudderBrake Light Stays OnBrake Pedal Goes to FloorBrake Pedal VibrationBurning Brake SmellCan Bus FaultCar Pulls Left when BrakingCatalytic Converter CloggedClunk Front EndClunk when AcceleratingClunking when TurningClutch ChatterClutch JudderClutch Master Cylinder LeakClutch Pedal HardClutch SlippingControl Arm Bushing NoiseControl Arm NoiseCoolant Boiling OverCoolant LeakCooling System Pressure TestCreaking SuspensionCV Joint NoiseDaytime Running Light OutDeath WobbleDiff WhineDriveshaft VibrationE Brake StuckEngine ShakingEngine Stalls at IdleEngine TickingExhaust Leak SmellExhaust Manifold LeakExhaust Pipe BrokenExhaust RattleFlat Spot TiresFog Light Not WorkingFoggy HeadlightsFuel Injector DirtyGear GrindingGrinding when I BrakeHard ShiftHeadlight CondensationHeadlight FlickeringHeadlight FoggyHeadlight Moisture InsideHeadlight Not WorkingHeater Not Blowing HotHyperflash Turn SignalIntercooler LeakJerking when AcceleratingLicense Plate Light OutLoose SteeringLoss of PowerLoud Exhaust NoiseLow BoostLow Coolant WarningMisfireMuffler HolesNo BoostOil ConsumptionOil Filter Housing LeakOil Leaking Onto ExhaustOne Headlight OutOverheatingOverheating at IdleParking Light OutPink Coolant LeakPop Noise when TurningPopping when TurningPulsation when BrakingRadiator CloggedRattling Under CarRed Brake Warning LightRotten Egg Smell ExhaustRough IdleSoft Brake PedalSpark Plug FouledSpongy BrakesSqueaky SuspensionSquealing when BrakingSteering Wheel Off CenterStrut Bearing NoiseSway Bar Link NoiseTail Light Not WorkingThermostat Stuck OpenTie Rod End NoiseTire BlowoutTire BubbleTire PullingTire Wear Outside EdgeTPMS WarningTransmission SlippingTransmission WhineTurbo Bypass ValveTurbo LagTurbo Oil LeakTurbo OverboostTurbo WhineTurbo WhistleTurn Signal Not WorkingUneven Tire WearUniversal Joint NoiseValve Cover Gasket LeakVibrating WheelVibration at High SpeedVibration at Highway SpeedVibration when BrakingWandering SteeringWater Pump LeakWheel Bearing NoiseWheel Hub NoiseWheel Out of BalanceWhite Smoke from ExhaustWobbling TireWorn Control Arm BushingsWorn Shocks Signs