BMW Z4 Series E85 2.0i N46 150HP Bare Engine N46B20B with 49k miles WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

BMW Z4 Series E85 2.0i N46 150HP Bare Engine N46B20B with 49k miles WARRANTY is a solution for users looking for a technically compatible engine block for their roadster. The N46 petrol unit, prepared as a bare engine, allows for the transfer of accessories from your existing engine while maintaining the factory configuration. As a result, you receive a precise base for a professional powertrain repair without interfering with the vehicle's design.

Specifications and technical data

• SKU: 2150313
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2150313
• Substitutable numbers: 11002150313, 11002150316, 2150313, 2150316
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: N46B20B
• Mileage: 49 000

Technical characteristics of the N46 engine for BMW Z4 E85

The offered engine block belongs to the Engines category and is intended for the petrol version of the BMW Z4 E85 2.0i. The four-cylinder construction from the N46 family provides a balanced combination of performance and refinement, while the cylinder layout facilitates compact installation in the engine bay. The unit code allows for unambiguous identification and selection for a specific body configuration and engine control unit.

The engine is offered as a bare engine, meaning it serves as a solid base for transferring existing accessories, wiring harnesses, and controls from your BMW Z4 unit. This form of delivery makes it easier to maintain compatibility with the current electrical installation and vehicle equipment.

Purpose and application in the BMW Z4 E85

The unit was designed to run on petrol, which is consistent with the factory specification of the BMW Z4 2.0i. The four-cylinder inline layout fits well with the character of a lightweight roadster, providing adequate flexibility and predictable throttle response. An engine of this type is often chosen for:

• comprehensive replacement of a damaged engine block in a BMW Z4 E85,
• professional powertrain rebuilding after a mechanical failure,
• restoration projects where maintaining the original model specification is important.

The unit's mileage is a significant advantage when planning long-term operation – it allows for a realistic assessment of the engine's potential for further service after proper installation and initial maintenance.

Benefits of choosing a used BMW engine block

Choosing a used N46 family engine for the BMW Z4 E85 is a solution that, in many cases, significantly reduces repair costs compared to a full rebuild of the existing unit. You retain the original operating characteristics while being able to plan the replacement of consumables (oil, filters, seals) after installation, adjusting the scope of work to your budget and workshop requirements.

An additional advantage is the ability to verify compatibility using catalog numbers and the engine code, which facilitates matching to a specific equipment version. This minimizes the risk of mechanical and electronic compatibility issues after installation.

Installation recommendations and selection by VIN/OEM

Before purchasing, it is worth consulting the choice of the unit with a mechanic or technical advisor, using identification by VIN and catalog numbers. This allows you to confirm compatibility with your version of the BMW Z4 E85, including the engine control unit and accessories used. During installation, standard service procedures are recommended: checking seals, replacing operating fluids, and verifying components transferred from the previous engine.

To better understand how to safely choose used power units and what the real cost differences are compared to new components, it is worth reading the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical tips on selection by VIN/OEM, calculation examples, and answers to the most frequently asked questions from drivers and workshops.

BMW Engines – expansion and modernization of the powertrain

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

This allows you to select compatible components for the entire powertrain in one place, which facilitates repair logistics and helps maintain the consistency of the technical solutions used.