BMW E38 E39 X5 E53 540i 740i 4.4i M62 Engine Crankshaft Crank Shaft 1745592

BMW E38 E39 X5 E53 540i 740i 4.4i M62 Engine Crankshaft Crank Shaft is an original part from the Crankshafts group, designed for BMW M62 4.4 petrol engines. It is a precision-engineered component of the crank-piston system, ensuring proper engine operation and stable power transmission to the drivetrain. Thanks to its factory origin, the crankshaft maintains the correct geometry and performance characteristics required for these units.

Specifications and technical data

• SKU: 1745592
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1745592
• Substitutable numbers: 11211745592, 1745592, 11211745591, 1745591
• Category: Crankshafts

Application and compatibility

The presented crankshaft is designed for M62 V8 engines used in BMW 5 Series E39, 7 Series E38, and X5 E53 SUV models in 540i, 740i, and 4.4i versions. A properly selected crankshaft is crucial for maintaining the correct balance of the engine, smooth operation, and the durability of the entire crank-piston system.

The original BMW origin ensures factory manufacturing tolerances, which is significant when operating at high RPMs and under heavy loads typical for M62 engines.

Technical characteristics and role in the engine

The crankshaft in the M62 engine is responsible for converting the reciprocating motion of the pistons into rotational motion transmitted to the gearbox and drivetrain. This requires high rigidity, proper heat treatment, and precisely machined main and connecting rod journals.

• Stable torque transmission across the entire engine operating range.
• Cooperation with the lubrication system to ensure proper oil pressure on the bearings.
• Maintenance of crankshaft alignment and geometry, which reduces vibration and noise.
• Possibility of further machining (e.g., grinding) in accordance with BMW service procedures, if deemed necessary by a mechanic.

For M62 engines, known for their dynamic performance, a properly selected crankshaft has a direct impact on acceleration smoothness, idle quality, and overall engine durability.

Condition, origin, and benefits of use

The offered item is used, which allows for an economical engine repair while maintaining the manufacturer's original specifications. In many cases, this is a beneficial solution for M62 engine overhauls, where replacing the crankshaft with an OEM aftermarket part helps reduce costs compared to purchasing a new component.

Using an original BMW crankshaft instead of a worn or damaged component helps restore:

• correct oil pressure on the main and connecting rod bearings,
• proper balance of the crank-piston system,
• stable engine operation across the full RPM range.

Additionally, the product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific engine configuration and vehicle year.

Selection and installation in service practice

When planning an M62 engine overhaul in BMW E38, E39, or X5 E53 models, crankshaft replacement is often considered in situations such as bearing seizure, excessive journal clearance, or mechanical damage following a lubrication system failure. Proper selection of the crankshaft according to the part number and model application minimizes the risk of compatibility issues.

Before installation, a mechanic should standardly verify:

• the condition of the main and connecting rod journal surfaces,
• the potential need for grinding and selecting appropriate oversized bearings,
• the absence of cracks and structural damage,
• compatibility with the specific M62 engine configuration in the given BMW model.

A crankshaft prepared in this way allows for an overhaul in accordance with workshop practices and manufacturer recommendations, while maintaining a reasonable repair budget.

Related items and additional information

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other items from the same group, such as other shafts, crank-piston system elements, or components working with the shaft, check the available parts in the BMW Crankshafts category.

For major engine overhauls, it is also worth expanding your knowledge about typical design problems and potential repair costs – you will find practical tips in the article Troublesome BMW E90 engines: check what can ruin your budget!, which helps to better plan service and avoid unforeseen expenses.