BMW Z4 Series E85 2.0i N46 150HP Complete Engine N46B20B New Timing 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 New Timing WARRANTY is a complete powertrain from the N46 family, designed for the petrol version of the Z4 E85 roadster. The unit comes from a low-mileage vehicle and features a freshly installed timing system, which significantly increases its utility value and reduces the risk of costly repairs after installation. This is an ideal choice for users looking for a proven petrol engine for professional repair or replacement.

Specifications and technical data

• SKU: 2151466-3
• 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
• Mileage: 59 000

Technical characteristics of the N46B20B engine

The offered engine belongs to the four-cylinder N46 family, used in many BMW models. The inline cylinder design ensures smooth operation, and the petrol fuel system allows for linear power delivery across the entire rev range. The unit is designed to work with factory BMW electronics and accessories, which facilitates integration with the vehicle's existing installation.

The N46B20B engine is a popular choice among workshops specializing in the BMW brand due to its predictable performance, wide availability of service parts, and good technical documentation. The version used in the Z4 E85 provides an appropriate balance between dynamics and economy, which is important for both daily driving and hobbyist use.

New timing and mileage – practical benefits

A key advantage of this unit is the new timing system, which is crucial for the reliability of N46 family engines. Replacing the complete timing set is one of the most time-consuming and expensive service operations, so purchasing an engine with this service already performed allows you to realistically reduce expenses after installation.

Additionally, the engine comes from a vehicle with relatively low mileage, which translates into less wear on moving parts such as pistons, rings, or the crankshaft assembly. For a workshop or end-user, this means greater potential for further operation without the need for immediate major overhauls.

Application in BMW Z4 E85 2.0i and selection by numbers

The unit was factory-designed for the BMW Z4 E85 2.0i model, making it the right choice when replacing a damaged engine in this specific body style. When selecting, it is recommended to verify compatibility using the OEM number and interchangeable numbers, as well as to compare the accessory configuration with the one currently installed in the vehicle. This approach minimizes the risk of wiring, ECU, or auxiliary component mismatches.

To better understand the process of selecting a used engine and the principles of safe purchasing, it is worth using an expert guide describing facts and myths related to powertrains – you can find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical addition to your knowledge when planning an engine replacement in a BMW Z4.

Condition, verification, and use in workshop practice

The engine is in used condition, which is standard for units sourced from vehicle dismantling. Before installation, it is recommended to perform basic preparatory steps, such as checking for leaks, replacing service fluids, and inspecting accessories that are to be transferred from the previous unit. This approach allows you to optimize workshop time and reduce the risk of subsequent leaks.

Due to its petrol fuel type and four-cylinder design, the engine performs well in both daily city driving and more dynamic use. For workshops specializing in the BMW brand, this is an attractive base for professional repair, and for the end-user – a chance to restore the vehicle's full performance without having to invest in a new unit.

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 components from the same group, such as blocks, cylinder heads, or complete long blocks, check out the available parts in the BMW Engines category.

Choosing a used engine from dismantling is also real support for the circular economy and a way to reduce repair costs without sacrificing quality. If you want to learn more about the impact of such decisions on the environment and your household budget, read the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.