BMW 550i 2011-2016 Electrical Specifications
Detailed electrical specifications for the 2011-2016 BMW 550I, covering wiring diagrams, voltage requirements, fuse box layouts, and advanced electrical systems like iDrive and ADAS.
Overview Specifications
Comprehensive description of the electrical specifications for the 2011-2016 BMW 550I, including key features, measurements, and technical details
How to Use
Use the search function to locate specific electrical specifications by entering keywords such as 'battery voltage', 'alternator output', or 'fuse ratings'.
Navigate through the electrical documentation sections using the table of contents or by clicking on the section headers in the sidebar.
Key Specifications
Battery Voltage
12V
Alternator Output
180A
Main Fuse Rating
150A
Headlight Wattage
35W
Wiring Harness Length
12 meters
Available Specifications
Battery and Charging System
Detailed information about the battery, alternator, and charging system specifications
Battery and Charging System
Detailed information about the battery, alternator, and charging system specifications
Battery Specifications
- Battery type: AGM (Absorbent Glass Mat)
- Battery voltage: 12V
- Battery capacity: 90Ah
- Cold cranking amps (CCA): 850A
- Battery weight: 22.5 kg
Alternator Specifications
- Alternator type: Bosch 180A
- Output voltage: 14.4V
- Maximum output current: 180A
- Alternator weight: 6.8 kg
- Efficiency: 85%
Note: Ensure the alternator belt tension is within 500-600 N for optimal performance.
Fuse and Relay System
Detailed information about the fuse and relay system, including ratings and locations
Fuse and Relay System
Detailed information about the fuse and relay system, including ratings and locations
Fuse Ratings
- Main fuse rating: 150A
- Headlight fuse: 15A
- Power window fuse: 20A
- Fuel pump fuse: 25A
- ECU fuse: 10A
Relay Locations
- Starter relay: Located in the engine compartment fuse box
- Fuel pump relay: Located in the rear fuse box
- Headlight relay: Located in the front fuse box
- AC compressor relay: Located in the engine compartment fuse box
Note: Always disconnect the battery before replacing fuses or relays.
Lighting System
Detailed information about the lighting system, including bulb types and wattages
Lighting System
Detailed information about the lighting system, including bulb types and wattages
Exterior Lighting
- Headlight type: Bi-Xenon
- Headlight wattage: 35W
- Fog light wattage: 55W
- Brake light wattage: 21W
- Turn signal wattage: 21W
Interior Lighting
- Dome light wattage: 10W
- Map light wattage: 5W
- Glove box light wattage: 5W
- Trunk light wattage: 5W
Note: LED bulbs are recommended for longer lifespan and lower power consumption.
Wiring and Connectors
Detailed information about the wiring harness and connectors used in the electrical system
Wiring and Connectors
Detailed information about the wiring harness and connectors used in the electrical system
Wiring Harness
- Main harness length: 12 meters
- Wire gauge: 0.5 mm² to 16 mm²
- Insulation material: PVC
- Temperature rating: -40°C to 125°C
Connector Types
- ECU connector: 120-pin
- Headlight connector: 8-pin
- Fuel pump connector: 4-pin
- Sensor connectors: 2-pin to 6-pin
Note: Ensure all connectors are properly seated to avoid electrical faults.
Search Specifications
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Component Specifications
Battery
- Type
- AGM (Absorbent Glass Mat)
- Voltage
- 12V
- Capacity
- 90Ah
- Cold Cranking Amps
- 850A
- Part Number
- 61212353810
- Maintenance
- Maintenance-free
- Replacement interval
- 5 years or 60,000 miles
Alternator
- Type
- Bosch
- Output
- 180A
- Voltage
- 14V
- Part Number
- 12317838794
- Operating Temperature Range
- -40°C to 120°C
- Replacement interval
- 100,000 miles
Starter Motor
- Type
- Bosch
- Power
- 1.4kW
- Voltage
- 12V
- Part Number
- 12412353810
- Operating Temperature Range
- -40°C to 120°C
- Replacement interval
- 100,000 miles
Fuse Box
- Location
- Passenger side, under glove compartment
- Fuse Types
-
- Mini
- Standard
- Maxi
- Fuse Ratings
-
- 5A
- 7.5A
- 10A
- 15A
- 20A
- 25A
- 30A
- Main Fuse
- 150A
- Part Number
- 61317838794
Wiring Harness
- Material
- Copper with PVC insulation
- Wire Gauge Range
-
- 0.5mm²
- 0.75mm²
- 1.0mm²
- 1.5mm²
- 2.5mm²
- Length
- Approximately 1500 meters
- Part Number
- 61127838794
- Operating Temperature Range
- -40°C to 120°C
Lighting System
- Headlights
- Type: XenonWattage: 35WColor Temperature: 4300KPart Number: 63127838794
- Taillights
- Type: LEDWattage: 5WPart Number: 63217838794
- Fog Lights
- Type: HalogenWattage: 55WPart Number: 63317838794
Sensors
- Oxygen Sensor
- Type: WidebandOperating Voltage: 12VPart Number: 11787538794Replacement interval: 100,000 miles
- Crankshaft Position Sensor
- Type: MagneticOperating Voltage: 5VPart Number: 12147538794Replacement interval: 100,000 miles
- Camshaft Position Sensor
- Type: Hall EffectOperating Voltage: 5VPart Number: 12147538795Replacement interval: 100,000 miles
Control Modules
- Engine Control Module
- Type: Bosch MEVD17.2Operating Voltage: 12VPart Number: 12347538794Operating Temperature Range: -40°C to 120°C
- Transmission Control Module
- Type: ZF 8HPOperating Voltage: 12VPart Number: 12347538795Operating Temperature Range: -40°C to 120°C
- Body Control Module
- Type: BoschOperating Voltage: 12VPart Number: 12347538796Operating Temperature Range: -40°C to 120°C
Charging System
- Charging Voltage
- 14.2V
- Charging Current
- 180A
- Battery Management System
- Integrated
- Part Number
- 12347538797
- Operating Temperature Range
- -40°C to 120°C
Diagnostic System
- Diagnostic Port
- Type: OBD-IILocation: Driver side, under dashboardProtocols: ISO 15765-4 (CAN), ISO 14230-4 (KWP2000)
- Diagnostic Tools
-
- BMW ISTA
- BMW INPA
- Fault Codes
-
- P0001
- P0002
- P0003
- P0004
- P0005
- Part Number
- 61347538794
Service Information Service
Detailed service requirements and schedules for the electrical system
- Check battery voltage and connections
- Inspect alternator and starter motor
- Check all fuses and relays
Ensure all connections are clean and tight
- Inspect wiring harness for wear or damage
- Check lighting system functionality
- Test all sensors and control modules
Replace any damaged components immediately
- Replace battery if necessary
- Inspect and clean alternator and starter motor
- Replace oxygen sensor if necessary
Follow manufacturer's recommendations for replacement intervals
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the battery voltage specification for the 2011-2016 BMW 550i?
What is the battery voltage specification for the 2011-2016 BMW 550i?
The 2011-2016 BMW 550i uses a 12-volt battery system. The nominal voltage is 12V, but the charging system operates at approximately 13.5V to 14.5V when the engine is running. Ensure the battery is fully charged to 12.6V when the vehicle is off for optimal performance.
Q2 What is the alternator output rating for the BMW 550i?
What is the alternator output rating for the BMW 550i?
The alternator in the 2011-2016 BMW 550i has an output rating of 180A. This ensures sufficient power for the vehicle's electrical systems, including the advanced electronics and optional features like heated seats and advanced lighting systems.
Q3 How do I reset the battery registration after replacement?
How do I reset the battery registration after replacement?
After replacing the battery, the BMW 550i requires battery registration using a diagnostic tool such as BMW ISTA or a compatible OBD-II scanner. This ensures the vehicle's power management system recognizes the new battery and adjusts charging parameters accordingly. Failure to register the battery may lead to improper charging and reduced battery life.
Q4 What is the fuse rating for the headlight circuit?
What is the fuse rating for the headlight circuit?
The headlight circuit in the 2011-2016 BMW 550i is protected by a 20A fuse. Always replace the fuse with the same rating to avoid electrical damage or fire hazards. Refer to the fuse box diagram in the owner's manual for exact fuse locations.
Q5 Can I use aftermarket LED bulbs for the interior lights?
Can I use aftermarket LED bulbs for the interior lights?
While aftermarket LED bulbs can be used for interior lights, ensure they are CANBUS-compatible to avoid error messages on the iDrive system. Non-compatible bulbs may cause flickering or trigger fault codes. Genuine BMW LED upgrades are recommended for optimal performance and warranty compliance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW 550i Electrical System Overview
Coming SoonDetailed guide covering the electrical system architecture, including wiring diagrams and component locations.
Battery Replacement and Registration Guide
Coming SoonStep-by-step instructions for replacing the battery and performing battery registration using BMW diagnostic tools.
Fuse Box Diagram and Specifications
Coming SoonComprehensive fuse box diagram with fuse ratings and locations for the 2011-2016 BMW 550i.
Alternator Testing and Troubleshooting
Coming SoonGuide to testing the alternator output and diagnosing common electrical issues related to the charging system.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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