BMW 5 7 X5 Series E38 E39 E53 M62 Engine Split Conrod Connecting Rod 1725809

Description

BMW 5 7 X5 Series E38 E39 E53 M62 Engine Split Conrod Connecting Rod is an original component from the Crankshafts group, designed for BMW M62 family engines used in the 5 Series E39, 7 Series E38, and X5 E53 models. This used OEM connecting rod ensures the correct geometry of the crank-piston system, which translates into stable engine operation and safe transfer of mechanical loads. It is a solution for users who are looking for a technically matched component instead of replacements with uncertain parameters.

Specifications and technical data

• SKU: 1725809
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1725809
• Substitutable numbers: 11241725809, 1725809, EM
• Category: Crankshafts

Purpose and role in the M62 engine

The connecting rod in the M62 engine is responsible for converting the reciprocating motion of the piston into the rotational motion of the crankshaft. In BMW units installed in the E38, E39, and X5 E53, this component operates under demanding dynamic and thermal load conditions, which is why it is crucial to use a component with factory material and dimensional characteristics. Using an original connecting rod helps maintain correct pressure in the lubrication system, proper assembly clearances, and even load distribution on the crankshaft journals.

Benefits of using an original BMW connecting rod

Choosing an original connecting rod from the BMW OE group primarily ensures a precise fit to the crankshaft and piston and maintains the factory operating characteristics of the engine. A component from the same design family as the other crankshaft system parts reduces the risk of torsional vibrations, uneven bearing wear, or local overloads. In practice, this translates into more stable engine refinement, a lower risk of failure at high RPMs, and more predictable unit behavior after an overhaul.

A used OEM component is also a cost-effective solution for M62 engine overhauls, allowing for high quality to be maintained at reasonable financial outlays. For workshops specializing in BMW, this means the ability to perform repairs using parts with known characteristics, without the need to adjust the parameters of aftermarket replacements.

Condition, verification, and practical application

The connecting rod comes from dismantling and is offered as a verified used component, which in practice means it can be reused in the engine overhaul process, for replacing a single cylinder, or for completing a set of connecting rods. This type of part is particularly useful for:

• local repairs after damage to a single cylinder,
• overhauls of M62 units in BMW E38, E39, and X5 E53,
• restoring the factory configuration of the crankshaft system after previous modifications.

Thanks to the preservation of the original geometry and mass of the connecting rod, it is possible to maintain the correct balance of the crankshaft, which is important for both durability and engine operating comfort.

Part selection by numbers and system integration

The element should be selected based on the OEM part number and available interchangeable numbers, which allows for confirming full compatibility with a specific version of the M62 engine. This method of identification minimizes the risk of installing an incorrect connecting rod variant, which could differ in design details such as big-end width, pin diameter, or lubrication method. A properly selected connecting rod works with the crankshaft and piston without the need for additional modifications, which facilitates service work and shortens the overhaul time.

Support for engine overhauls and additional materials

When planning an engine overhaul, it is worth paying attention not only to the connecting rods but also to the condition of the crankshaft, bearings, pistons, and the lubrication system. For users and workshops that want to better prepare for work on the powertrain, a guide describing the key stages of verifying used engine components may be helpful – detailed tips can be found in the article Buying a used engine: 5 things you must check before installation.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional connecting rods, a crankshaft, or related crankshaft system components, check the available parts in the BMW Crankshafts category.