BMW E84 GA6L45R 6-Speed Automatic Transmission

Product Description

BMW GA6L45R 6-speed automatic transmission for selected BMW E84 applications, identified with the marking 2-12-15.

The GA6L45R is a six-speed electronically controlled automatic transmission used in selected BMW applications. It is designed for longitudinal installation and rear-wheel-drive or xDrive applications, depending on the vehicle configuration.

The transmission features a hydrodynamic torque converter with lock-up clutch and electronically controlled hydraulic shift management. Its six forward gears provide smooth gear changes, responsive acceleration and efficient engine-speed management during cruising.

This gearbox is suitable as a replacement unit when the BMW transmission designation, OE part number, drivetrain and vehicle application are correctly matched.

Product Identification

Specification	Details
Manufacturer	General Motors / BMW application
BMW Transmission Designation	GA6L45R
Transmission Type	6-Speed Automatic
Vehicle Application	BMW E84 X1*
Identification / Date Marking	2-12-15
Forward Gears	6
Reverse	1
Installation	Longitudinal
Drive Configuration	RWD / xDrive depending on application
Torque Converter	Hydrodynamic with lock-up clutch
Control System	Electronic / Electro-Hydraulic
Transmission Architecture	Planetary automatic
Transmission Family	6L45 / GA6L45R

*Exact compatibility must be confirmed against the vehicle VIN, engine, drivetrain and original transmission number.

Typical Gear Ratios

Typical 6L45 transmission ratios are:

Gear	Ratio
1st	4.027:1
2nd	2.364:1
3rd	1.532:1
4th	1.152:1
5th	0.852:1
6th	0.667:1
Reverse	3.064:1

Ratios and internal specifications may vary depending on the exact transmission application.

Key Features

• GA6L45R 6-speed automatic transmission
• Designed for selected BMW applications
• Used in BMW E84 X1 configurations
• Electronically controlled automatic shifting
• Hydrodynamic torque converter with lock-up function
• Six forward speeds plus reverse
• Longitudinal transmission design
• Suitable for rear-wheel-drive and selected xDrive configurations
• Smooth shifting and efficient power delivery
• Suitable for replacement, repair and refurbishment

BMW E84 Application

Vehicle: BMW X1
Chassis: E84
Transmission: GA6L45R
Type: 6-Speed Automatic
Identification Marking: 2-12-15

The E84 X1 was offered with different engines and drivetrain configurations, and transmission specifications can vary accordingly.

Compatibility Verification

Before purchasing, compare:

• BMW VIN / last 7 characters
• Original transmission number
• BMW OE part number
• Transmission identification plate/marking
• Engine code
• Model year and production date
• sDrive / xDrive configuration
• Transfer-case compatibility for xDrive vehicles
• Electronic control/mechatronic specification

Important: Not every GA6L45R gearbox is automatically interchangeable between BMW models. Differences in housing, output configuration, electronics, calibration and drivetrain arrangement may affect compatibility.

Transmission Fluid

Use only the manufacturer-approved automatic transmission fluid specified for the exact GA6L45R application.

Fluid quantity and service requirements vary according to the transmission version and service procedure. When replacing the gearbox, the fluid level should be checked and adjusted using the correct manufacturer procedure and operating temperature.

Installation & Adaptation

Professional installation is recommended.

After gearbox replacement, the vehicle may require:

• Diagnostic scan
• Fault-code check
• Transmission adaptation reset
• Shift adaptation/relearning
• ECU/TCU coding or programming where applicable
• Correct fluid-level adjustment
• Road-test and shift-quality verification

Ideal For

• BMW E84 X1 gearbox replacement
• Professional BMW repair workshops
• Automatic transmission specialists
• Gearbox rebuilding and refurbishment
• Automotive dismantlers and spare-parts suppliers
• OEM-specification replacement applications

Product Summary

Brand: GM / BMW application
BMW Transmission Code: GA6L45R
Transmission Family: 6L45
Type: 6-Speed Automatic
Vehicle: BMW E84 X1
Installation: Longitudinal
Drive: RWD / xDrive depending on application
Control: Electronic / Electro-Hydraulic
Torque Converter: Hydrodynamic Lock-Up Type
Identification Marking: 2-12-15

Important Ordering Information

Please verify the complete gearbox identification and vehicle VIN before ordering. BMW used different transmission configurations depending on engine, drivetrain and production specification.

For a guaranteed fit, the original transmission number and BMW OE part number should be matched before installation.