BMW Z4 Series E85 2.0i N46 150HP Complete Engine N46B20B 72k 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 2.0i N46 150HP Complete Engine N46B20B 72k miles, WARRANTY is an original powertrain unit from the N46 family, designed for the 150 HP petrol version. This is an offer for users looking for a proven, complete engine for professional repair or replacement in their BMW Z4 E85 roadster, while maintaining factory performance characteristics and compatibility.

Specifications and technical data

• SKU: 2151466-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2151466
• Substitutable numbers: 11002151466, 2151466, 11002151467, 2151467
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: N46B20B
• Mileage: 59 000

Purpose and characteristics of the unit

The offered engine is a complete petrol unit from the N46 series, used in the BMW Z4 E85 2.0i model with a catalog power of 150 HP. The design, based on four cylinders in an inline configuration, ensures a good balance between dynamics and smooth operation, and the technical solutions used are in accordance with the factory BMW specification for this generation of the Z4.

The N46B20B unit is valued in workshops for its predictable behavior, wide availability of service parts, and the possibility of trouble-free installation in place of the original engine, without the need for modifications to the vehicle's electrical system.

Construction and technical parameters in practice

The engine belongs to the Engines category and was designed as a modern four-cylinder petrol unit, optimized for daily use and more dynamic driving. The N46B20B engine code allows for unambiguous identification of the design version, which facilitates the selection of accessories and integration with the vehicle's electronics.

The mileage of the unit is typical for a used engine removed from a car operated under normal road conditions, which allows for continued operation after proper installation and basic start-up service. Fuel type – petrol – guarantees compatibility with the factory configuration of the BMW Z4 2.0i, without the need for interference with the fuel supply or control system.

Application, installation, and selection by engine code

The engine is intended primarily for the BMW Z4 E85 series in the 2.0i version, where the N46B20B code appears as the factory unit. In practice, this means it can be installed in place of a damaged engine while maintaining original mounting points, compatibility with the stock gearbox, wiring harness, and engine control unit (after proper adaptation by a workshop).

To ensure full compatibility, it is recommended to verify compliance using the VIN and engine code, as well as to consult with a mechanic specializing in the BMW brand. This method of selection minimizes the risk of accessory incompatibility and speeds up the installation process.

Benefits of choosing a used BMW N46B20B engine

Purchasing a complete, used engine for the BMW Z4 E85 is often the most cost-effective solution in the event of a major powertrain failure. It allows for cost reduction compared to a full rebuild of an old engine, while maintaining the original operating characteristics of the BMW unit. An additional advantage is the seller's warranty, which increases the security of the investment in a used component.

If you want to better understand how to safely buy used powertrain units and what to pay attention to when selecting by VIN or OEM numbers, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

BMW Engines – expansion and modernization of the powertrain zone

If you are planning a comprehensive repair or modernization 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.