BMW 428i 2014-2016

BMW 428i 2014-2016 Drivetrain Specifications

Detailed technical specifications and documentation for the 2014-2016 BMW 428i drivetrain system, including engine, transmission, differential, and driveshaft components. Ideal for technicians and enthusiasts.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2014-2016 BMW 428i, including key features, measurements, and technical details

How to Use

Use the search function to locate specific drivetrain components or specifications by entering keywords such as 'transmission', 'differential', or 'driveshaft'.

Navigate through the drivetrain documentation by selecting the relevant section from the table of contents or using the sidebar menu for quick access to subsections.

Key Specifications

Engine Displacement

2.0L

Horsepower

240 hp @ 5000-6500 rpm

Torque

255 lb-ft @ 1250-4800 rpm

Transmission

8-speed automatic

Fuel Efficiency

23 mpg city / 34 mpg highway

Available Specifications

Engine and Transmission

Details about the engine and transmission system, including specifications and performance metrics

Engine Specifications

2.0L TwinPower Turbo inline-4 engine
Output: 240 hp @ 5000-6500 rpm
Torque: 255 lb-ft @ 1250-4800 rpm
Direct fuel injection system
Compression ratio: 10.0:1

Transmission System

8-speed automatic transmission (ZF 8HP)
Optional 6-speed manual transmission
Gear ratios: 1st (4.71), 2nd (3.14), 3rd (2.11), 4th (1.67), 5th (1.29), 6th (1.00), 7th (0.84), 8th (0.67)
Final drive ratio: 3.23:1 (automatic), 3.08:1 (manual)
Shift times: 200 ms (Sport mode)

Note: The 8-speed automatic transmission features adaptive shift mapping for optimized performance.

Driveshaft and Differential

Technical details about the driveshaft and differential system, including materials and specifications

Driveshaft Components

Two-piece aluminum driveshaft
Length: 1,250 mm (49.2 in)
Diameter: 80 mm (3.15 in)
Balanced for high-speed operation
Weight: 12.5 kg (27.6 lbs)

Differential System

Electronic Limited-Slip Differential (eLSD)
Final drive ratio: 3.23:1 (automatic), 3.08:1 (manual)
Differential lock: 30% (maximum)
Oil capacity: 1.2 liters (1.27 quarts)
Operating temperature range: -40°C to 150°C (-40°F to 302°F)

Note: The eLSD enhances traction and stability during cornering.

Axles and Suspension

Information about the axles and suspension components, including dimensions and performance characteristics

Front Axle

Double-joint spring strut front axle
Track width: 1,571 mm (61.85 in)
Wheelbase: 2,810 mm (110.63 in)
Steering ratio: 15.4:1
Turning circle: 11.3 m (37.1 ft)

Rear Axle

Five-link rear axle
Track width: 1,600 mm (62.99 in)
Wheelbase: 2,810 mm (110.63 in)
Rear axle load capacity: 1,050 kg (2,315 lbs)
Rear differential mounting: Rubber bushings

Note: The five-link rear axle provides improved handling and ride comfort.

Performance and Efficiency

Performance metrics and efficiency details for the drivetrain system

Acceleration and Top Speed

0-60 mph: 5.7 seconds (automatic), 6.0 seconds (manual)
Top speed: 130 mph (electronically limited)
Drag coefficient: 0.29 Cd
Fuel efficiency: 23 mpg city / 34 mpg highway (automatic)
Fuel efficiency: 22 mpg city / 33 mpg highway (manual)

Weight Distribution

Front axle weight: 52%
Rear axle weight: 48%
Curb weight: 1,545 kg (3,406 lbs)
Gross vehicle weight: 2,050 kg (4,519 lbs)
Weight-to-power ratio: 6.44 kg/hp

Note: The near-perfect weight distribution enhances handling dynamics.

Search Specifications

Search by specification name, value, or description

Component Specifications

Engine

Type: N20B20A

Displacement: 1997 cc

Configuration: Inline 4-cylinder

Power Output: 240 hp @ 5000-6500 rpm

Torque: 255 lb-ft @ 1250-4800 rpm

Compression Ratio: 10.0:1

Fuel System: Direct Injection

Part Number: 11002408264

Transmission

Type: 8-speed automatic (ZF 8HP)

Gear Ratios: 1st: 4.714
2nd: 3.143
3rd: 2.106
4th: 1.667
5th: 1.285
6th: 1.000
7th: 0.839
8th: 0.667
Reverse: 3.317

Part Number: 24008627645

Fluid Capacity: 9.5 liters

Fluid Type: BMW ATF 3

Transfer Case

Type: Not applicable (RWD configuration)

Part Number: N/A

Fluid Capacity: N/A

Fluid Type: N/A

Differential

Type: Single-speed rear differential

Gear Ratio: 2.81:1

Part Number: 33107565521

Fluid Capacity: 1.2 liters

Fluid Type: BMW SAF-XO

Driveshaft

Material: Steel

Length: Approx. 1.5 meters

Part Number: 26107565522

Torque Spec: 85 Nm

Axles

Front: Type: Not applicable (RWD configuration)
Part Number: N/A
Fluid Capacity: N/A
Fluid Type: N/A

Rear: Type: Semi-floating
Part Number: 33207565523
Fluid Capacity: 1.5 liters
Fluid Type: BMW SAF-XO

Clutch

Type: Not applicable (automatic transmission)

Part Number: N/A

Fluid Capacity: N/A

Fluid Type: N/A

Propeller Shaft

Material: Aluminum

Length: Approx. 1.2 meters

Part Number: 26107565524

Torque Spec: 90 Nm

Mounts

Engine Mounts: Material: Rubber and aluminum
Part Number: 22117565525
Torque Spec: 45 Nm

Transmission Mount: Material: Rubber and steel
Part Number: 22317565526
Torque Spec: 50 Nm

Operational Limits

Max Rpm: 7000 rpm

Max Speed: 155 mph (electronically limited)

Max Torque: 255 lb-ft

Max Towing Capacity: Not recommended for towing

Diagnostic Specifications

Error Codes

P0015 - Camshaft Position Timing Over-Retarded
P0171 - System Too Lean (Bank 1)
P0300 - Random/Multiple Cylinder Misfire Detected

Diagnostic Tool: BMW ISTA/D

Diagnostic Port: OBD-II

Service Information Service

Detailed service requirements and schedules for the 2014-2016 BMW 428i drivetrain

10000

Engine oil and filter change
Transmission fluid check
Differential fluid check

Use BMW-approved fluids and filters

30000

Inspect driveshaft and propeller shaft for wear
Check engine and transmission mounts
Inspect differential for leaks

Replace any worn or damaged components

60000

Replace transmission fluid
Replace differential fluid
Inspect and replace engine mounts if necessary

Follow BMW-recommended procedures for fluid replacement

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2014-2016 BMW 428i use?

The 2014-2016 BMW 428i features a rear-wheel-drive (RWD) system as standard, with an optional xDrive all-wheel-drive (AWD) system. The RWD system uses a single-piece aluminum driveshaft, while the xDrive system includes a transfer case and front driveshaft for power distribution to all four wheels.

What is the gear ratio of the differential in the 428i?

The 2014-2016 BMW 428i with the standard automatic transmission (ZF 8HP) has a final drive ratio of 3.15:1 for RWD models and 3.23:1 for xDrive models. Manual transmission models feature a final drive ratio of 3.08:1.

What type of transmission is used in the 428i?

The 2014-2016 BMW 428i is equipped with either a 6-speed manual transmission (Getrag GS6-45BZ) or an 8-speed automatic transmission (ZF 8HP45). The automatic transmission includes adaptive shift logic and paddle shifters for manual control.

What is the torque capacity of the 428i drivetrain?

The drivetrain of the 2014-2016 BMW 428i is designed to handle up to 258 lb-ft of torque, which is the maximum torque output of the N20 2.0L TwinPower Turbo inline-4 engine.

How often should the differential fluid be replaced?

BMW recommends inspecting the differential fluid every 60,000 miles and replacing it if necessary. For xDrive models, the transfer case fluid should also be replaced at the same interval. Always use BMW-approved fluids, such as SAF-XJ + FM Booster 75W-90 for the differential.

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 428i Drivetrain Service Manual

Coming Soon

Official BMW service manual for the 428i drivetrain, including detailed procedures for maintenance and repair.

ZF 8HP Automatic Transmission Technical Guide

Coming Soon

Comprehensive guide on the ZF 8HP automatic transmission used in the 428i, covering operation, maintenance, and troubleshooting.

BMW xDrive System Overview

Coming Soon

Detailed explanation of the xDrive all-wheel-drive system, including its components, operation, and maintenance requirements.

Differential Fluid Replacement Guide

Coming Soon

Step-by-step instructions for replacing the differential fluid in the 428i, including recommended tools and fluids.

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