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BMW 5-SERIES (1972–2026) — Technical Guide, Fault Codes & Maintenance
Built 1972–2026 · all production years covered on this single page
2026
© Wikimedia Commons CC BY-SA
TroubleAtlas Score
An independent value score for the Bmw 5-Series (1972–2026) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliabilityn/a
Safety & recallsn/a
Repair costn/a
Parts & repairability7.0
Maintenance & durabilityn/a
Documentation & support3.7
Independent · Verified · Never for sale
Every figure on this Bmw 5-Series (1972–2026) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Bmw 5-Series (1972–2026). Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Workshops nearby
COMMON PROBLEMS
Transmission fault signal (TCM)MODERATE
The transmission module detected a fault — check separate transmission codes.
Related codes: P0700
Misfire / Loss of cylinderMODERATE
Rough running, idle vibration, power loss.
Related codes: P0300
Thermostat: coolant temperature lowLOW
Thermostat stuck open — engine does not reach operating temperature.
Related codes: P0128
Battery/system voltage lowLOW
System voltage below 10V — check alternator, battery or wiring.
Related codes: P0562
P0011LOW
Check with an OBD2 scanner.
Related codes: P0011
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
📋 RECALLS & TSB (18)
NHTSA R/1999/059
Possibility That Gearbox May Lock Up
Date: 30-07-1999
Possibility that the automatic transmission may lock up at speeds below 15mph.
NHTSA R/2019/195
Possible Corrosion Of The Bulkhead Connector Of The Positive Battery Cable
Date: 29-07-2019
The branch-off point of the main battery cable may corrode
NHTSA R/2021/099
The Rear Drive Shafts May Not Fulfil The Durability Requirements
Date: 29-03-2021
The rear drive shafts may not fulfil the durability requirements.
NHTSA R/2022/084
The Obd Software Could Misinterpret Certain Input Parameters For The Engine Mangement System
Date: 28-03-2022
During a service visit the affected vehicles have been updated with software that could misinterpret certain input parameters for the engine management system.
NHTSA R/2012/049
Fire May Occur
Date: 27-04-2012
Some engines are fitted with an additional water pump for the turbo charger. In some circumstances a crack may develop which then leads to melting of the plug connections and the housing. Further heat development may then lead to scorch damage. In exceptional cases such overheati…
NHTSA R/2012/039
Risk Of Fire
Date: 24-05-2012
The positive battery cable routed from the vehicle battery to the engine bay consists of one cable in the luggage compartment and one cable in the underbody. Both cable are connected by a screw connection and covered by a plastic cover. In single cases the plastic cover may hav…
NHTSA R/2005/001
Front Seat Back-Rest Heater May Overheat
Date: 23-12-2004
Mechanical loads exerted on the back-rest heating element of the front seats when persons enter or exit the vehicle may result in damage to the door side contact line in the back-rest padding. In the event that this causes a break of a contact line the damaged area may overheat t…
NHTSA R/2017/274
Steering Rack Might Lock
Date: 21-09-2017
If the retaining ring inside the steering gear has not been fitted correctly the sealing cap would not be fixed axially and might start moving. If the sealing cap has moved the ball return channel would not be fixed anymore and might move out of position possibly resulting in a …
NHTSA R/2017/193
Brake Switch May Be Activated Permanently
Date: 20-06-2017
The ball head connecting the brake pedal and the master brake cylinder the ball head might not be locked properly into the ball cage. If the driver accidentally pulls up the brake pedal the brake switch would be activated permanently. This will cause: The brake lamps to be illumi…
NHTSA R/2020/136
If The Head Air Bag Is Deployed The Ignitor May Separate From The Inflator
Date: 18-05-2020
Curtain airbags may have propellant which may have a humidity level higher than specification and in the event of a collision may not deploy correctly increasing the risk of injury.
NHTSA R/2011/147
Short Circuit May Occur
Date: 17-11-2011
Due to the ingress of moisture it is possible that a short circuit can occur in the additional coolant pump for the exhaust turbocharger. The driver will be informed of the issue by a warning message on the display in the instrument panel. If not addressed it is possible for fur…
NHTSA R/2016/265
Front Airbags And Seat Belt Tensioners May Fail To Deploy When Needed
Date: 16-11-2016
It has been identified that the airbag/SRS central sensor has been programmed with faulty software. If the vehicle is involved in a frontal or rearward collision then the airbag and seat belt tensioners may not be triggered which could lead to an increased risk of injury to the o…
NHTSA R/2008/100
Rear Axle Carrier May Fail
Date: 15-07-2008
It has been identified that defects in a material joint may have resulted during the heat treatment of individual components of the rear axle carrier. This may result in failure of the holders of the links and struts even under normal driving conditions. Should the holder of a li…
NHTSA R/2010/151
Possible Reduction In Brake Servo Assistance
Date: 11-11-2010
It is possible that engine oil can enter the brake servo via the brake vacuum pump and vacuum hose. If this occurs it could damage the brake servo membrane which may leak so causing a reduction in braking assistance and a requirement to apply increased pedal force to achieve the …
NHTSA R/2006/119
Rear Shock Absorber Mounting May Fail
Date: 06-07-2006
It has been identified that the lower rubber mounting on the metal bush of the rear shock absorbers may fail to meet the quality requirement. Dependant on the mileage and operating conditions the rubber mounting may come completely free from the shock absorber. If this occurs the…
NHTSA R/2004/084
Possibility Of Inability To Engage Gear Or Declutch
Date: 06-05-2004
Possibility that the pin operating the master cylinder may have been welded incorrectly. Resulting in the inability (on failure) to de-clutch or engage a gear.
NHTSA R/2011/123
Risk Of Fire
Date: 05-10-2011
Moisture may enter the fuel filter heater at an electrical connection. Should this occur it can cause a discharge of the battery causing non starting of the vehicle. Also if it occurs whilst the vehicle is in motion it could result in a fire when the vehicle is left unattended.
NHTSA R/2019/057
Auxiliary Water Pump'S Electronic Circuit Board Could Lead To A Short Circuit
Date: 01-03-2019
The auxiliary water pump may short circuit causing a thermal incident.
COMMON OBD2 CODES TO CHECK
P0420
P0420
Powertrain
P0171
P0171
Powertrain
P0300
P0300
Powertrain
P0128
P0128
Powertrain
P0455
P0455
Powertrain
P0700
P0700
Transmission
P0442
P0442
Powertrain
P0172
P0172
Powertrain
P0401
P0401
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P0455
powertrain
LOW⏱ 0.62h avgP0442
powertrain
LOW⏱ 0.62h avgP0440
powertrain
LOW⏱ 0.78h avgP0420
powertrain
MEDIUM⏱ 1.24h avgP0300
powertrain
HIGH⏱ 1.22h avgP0172
powertrain
MEDIUM⏱ 1.13h avgP0171
powertrain
MEDIUM⏱ 0.95h avgP0730
transmission
MEDIUM⏱ 1.25h avgP0700
transmission
HIGH⏱ 1.25h avgP0401
powertrain
MEDIUM⏱ 1.25h avgP0011
powertrain
MEDIUM⏱ 5.4h avgU0100
network
HIGHP0562
electrical
MEDIUM⏱ 0.58h avgP0128
powertrain
MEDIUM⏱ 0.88h avg
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
58 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
Run-Flat Warning (BMW) (Bmw)Tyres
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
CBS — Brake Fluid (BMW) (Bmw)Brakes
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
CBS — Oil Service (BMW) (Bmw)Engine
iDrive System Fault (Bmw)Electrical
DSC OFF (BMW) (Bmw)Chassis
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
Frequently Asked Questions
Which OBD2 fault codes are commonly documented for the Bmw 5-Series (1972–2026)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Bmw 5-Series (1972–2026) be serviced?
Routine maintenance for the Bmw 5-Series (1972–2026) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Found what you were looking for? Explore other Bmw models in our database, compare tyre offers in your size, or search a specific fault code in the TroubleAtlas OBD2 database.