You will receive a non-binding offer by 10 a.m on the next working day.

Engine N43B20A BMW 5 Series E60 1 E87 3 E90 E61 E91 E92 E93 E81 E82 E88 520i 116i 118i 120i 318i 320i 170hp 163hp 122hp 143hp

Streamlined engine for electric-powered yachts, offering silent and smooth sailing.
High-capacity engine for city street sweepers, keeping urban areas clean and tidy.

Engine N43 B20 A for sale


VAT and Shipping Costs included

In stock. Delivery time: 4-8 business days

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Online orders in our online shop is currently not available: please fill out the “Availability Request Form” first. You will then receive a tailored offer in PDF format, after which you can place your order directly via email or phone.

Non-committal offer: This engine (N43 B20 A) is also available through other sales channels (both online and offline). Consequently, the possibility of a short-term intermediate sale cannot be ruled out. It is essential to check the engine’s availability and compatibility with your vehicle before proceeding.

Check compatibility and availability of engine N43 B20 A

Kindly complete the “request for quote” form. We will confirm whether the engine N43 B20 A matches your vehicle and provide you with detailed proposals for all the available options, whether you’re looking for a used engine, a reconditioned one, or prefer it bare or complete. Following this, you may proceed to place your order directly.

Engine description:

Your benefits:

Compatible vehicles with engine N43 B20 A:

N43 B20 A Engine Technical Specifications & Compatibility.

Additional information

Engine Code

N43 B20 A, N43B20A




1 E81, 1 E82, 1 E87, 1 E88, 3 E90, 3 E91, 3 E92, 3 E93, 5 E60, 5 E61


116i, 118i, 120i, 318i, 320i, 520i

Power (hp)

122hp, 143hp, 163hp, 170hp

Power (kW)

90kW, 105kW, 120kW, 125kW



Number of Cylinders


Bore (mm)


Stroke (mm)


Number of Bearings


Number of Valves


Engine Charging

Naturally Aspirated Engine


Petrol Engine

Fuel Mixture

Direct Injection

Engine Type


Cylinder Type


Engine Management


Price Used Engine (€)


Price Remanufactured Engine (€)

Deposit for the Old Engine (€)


About Us

Robust and durable N43 B20 A engine for BMW

Thoroughly tested BMW N43 B20 A engine

Our service for the N43 B20 A engine

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Information about the BMW replacement engine N43 B20 A:

The N43 B20 A, N43B20A engine is used by the manufacturer BMW in the following models: 1 Series E81, 1 Series E82, 1 Series E87, 1 Series E88, 3 Series E90, 3 Series E91, 3 Series E92, 3 Series E93, 5 Series E60, 5 Series E61.

Engine type and performance:

Depending on the engine control unit, the Petrol engine N43 B20 A has an output of 122hp, 143hp, 163hp, 170hp, which is equivalent to 90kW, 105kW, 120kW, 125kW.

The 4-cylinder Naturally Aspirated Engine engine is Water-cooled and produces a torque of Nm with a displacement of ccm.

The 116i, 118i, 120i, 318i, 320i, 520i N43 B20 A engine features 16 valves, 5 bearings, and achieves a compression ratio of with a stroke of 90 mm and a bore of 84 mm.

It is a DOHC Petrol Engine Straight engine with Direct Injection, powered by a Chain.


The quickest way is to fill out the “request for quote” form. Please provide the engine code N43 B20 A and your VIN number so we can accurately identify the engine that is compatible with your vehicle. You will swiftly receive a detailed offer in PDF format via email. If everything matches, you can then proceed with the order.

It depends on the inventory. We sell N43 B20 A engines either complete or bare. The complete engines come with spare parts included.

The engine is compatible with the following make and models:
BMW | 1 Series E81, 1 Series E82, 1 Series E87, 1 Series E88, 3 Series E90, 3 Series E91, 3 Series E92, 3 Series E93, 5 Series E60, 5 Series E61

To be certain, you should provide us with your VIN number so we can verify the engine’s compatibility.

The contents of the delivery vary depending on the engine. For the complete engine, we deliver the engine block with the cylinder head, valve cover, oil pan, and the injection system, turbocharger, alternator, manifold, wiring harness, etc. For the bare engine without ancillary parts, we deliver the engine block with the cylinder head, valve cap, and oil pan.

  • The contents of the delivery may vary. Please check the exact contents of the delivery in the PDF offer.

The mileage depends on the condition of the engine. The overhauled engine has been reset to 0km. The mileage of the used engine can vary. Make a brief inquiry on our website, and you will receive a detailed offer with precise mileage information.

The following parts are replaced with NEW ones:

  • Valves
  • Valve stem seals
  • Piston rings
  • Connecting rod bearings and main bearings
  • Oil pump
  • Timing chain with tensioner

Additional revision steps:

  • The camshaft and crankshaft are measured, polished, checked for cracks, and ultrasonically cleaned.
  • The cylinder head is measured, leveled, and ultrasonically cleaned.
  • The block is planed, sanded, and measured.
  • Pistons are inspected, cleaned, and subjected to UV crack testing.
  • Leakdown tests

✅ We can, of course, also overhaul your faulty engine.


We handle everything in-house, from engine overhauling to marketing and web design. This cuts down on many costs.


Our processes are finely tuned, ensuring no downtime. Our machines and staff are fully utilized.


Each person works solely within their area of expertise. For instance, we have different specialists for various makes/types of engines. This saves a significant amount of time and enhances quality.

Yes, sometimes. The deposit varies depending on the engine.

The price of the engine varies depending on the engine’s condition:

Used engine: 2189 €
Complete engine: Please request the price by filling out the form.
Overhauled engine: 3079 €

Please note: Prices and availability are provided for guidance only!

Make an inquiry on the website to receive a detailed and final offer.

Engines for sale from other sellers on the internet

Engine code N43 B20 A compatible with Engine N43B20A BMW 5 Series E60 1 E87 3 E90 E61 E91 E92 E93 E81 E82 E88 520i 116i 118i 120i 318i 320i 170hp 163hp 122hp 143hp

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