BMW Z4 Series E85 2.2i Complete Engine M54 B22 226S1 170HP w 68k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

BMW Z4 Series E85 2.2i Complete Engine M54 B22 226S1 170HP w 68k miles, WARRANTY is a verified, used powertrain unit from the M54 series, designed for the petrol version of the Z4 E85 2.2i. This is a solution for users who want to restore the full efficiency of the drivetrain while maintaining the original characteristics of the BMW inline-six engine and compatibility with the vehicle's factory installation.

Specifications and technical data

• SKU: 0140984-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0140984
• Substitutable numbers: 11000140984, 0140984, 11000140985, 0140985
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 226S1
• Mileage: 59 000

Purpose and characteristics of the unit

The offered engine is dedicated to the BMW Z4 Series E85 2.2i model with the M54B22 petrol unit, engine code 226S1. It is a classic, inline six-cylinder design, valued for its smooth operation, linear power delivery, and the signature BMW sound. The unit retains the factory power parameters specific to this version, which allows for the seamless restoration of the car's performance after the failure of the previous engine.

The engine comes from a vehicle with moderate mileage, which, in the case of the M54 series, is significant for the long-term durability of mechanical components and accessories. As a result, it serves as a solid base for installation in a car used both daily and occasionally in more dynamic conditions.

Construction and technical parameters in practice

The inline six-cylinder layout, combined with petrol fuel injection, ensures smooth power development and flexibility across a wide rev range. The M54 design is well-known in the service environment, which facilitates maintenance, diagnostics, and any potential service work after installation.

The M54B22 engine with the 226S1 code is used in the Z4 E85 2.2i as a unit with balanced performance and reasonable fuel consumption. For the user, this means:

• consistent cooperation with the factory engine control unit and electrical installation,
• retention of serial performance parameters without the need for mechanical adaptation,
• easy availability of service knowledge and consumables.

Benefits of installing a used M54B22 engine

Choosing a used, complete engine for the BMW Z4 E85 2.2i allows for significant repair cost savings compared to refurbishing the existing unit or purchasing a new replacement. At the same time, the original manufacturer's specification is preserved, which is important for durability and the vehicle's future resale value.

Key advantages of this solution include:

• the ability to get the car back on the road faster – replacing a complete unit is often quicker than a full rebuild of an old engine,
• preservation of the factory configuration of the BMW Z4 E85 drivetrain,
• easier diagnostics after installation thanks to the well-recognized M54 design.

An additional advantage is the seller's warranty, which reduces the risk for the buyer and confirms that the engine has been verified before being listed for sale.

Condition, verification, and preparation for installation

The unit is offered as a used complete engine, meaning it comes from an operating vehicle and has been dismantled in a way that allows for re-installation. Before purchasing, it is worth planning standard preparatory activities, such as changing the oil, filters, spark plugs, or checking seals, to maximize the potential of this unit in your Z4.

The M54B22 engine is a design well-known to independent workshops specializing in BMW, which makes it easy to find a service center for installation and subsequent maintenance. This makes the solution attractive for both individual users and professional repair shops.

Selection, part numbers, and expert knowledge

To correctly select an engine for a specific BMW Z4 E85, it is crucial to compare the engine code and catalog numbers with the vehicle documentation or VIN data. The offered product has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems.

If you want to better understand how to safely buy used powertrain units and what to pay attention to when checking compatibility via VIN or catalog numbers, use our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical tips there that will help you make an informed purchasing decision.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as blocks, cylinder heads, or complete powertrain units, check out the available parts in the BMW Engines category.