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

Engine S63B44A BMW WIESMANN X5 E70 X6 E71 E72 GT MF5 M 4.4 555hp

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 S63 B44 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 (S63 B44 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 S63 B44 A

Kindly complete the “request for quote” form. We will confirm whether the engine S63 B44 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 S63 B44 A:

S63 B44 A Engine Technical Specifications & Compatibility.

Additional information

Engine Code

S63 B44 A, S63B44A




GT MF5, MF5, X5 E70, X6 E71 E72


4.4, M

Power (hp)


Power (kW)




Number of Cylinders


Torque (Nm)




Bore (mm)


Stroke (mm)


Number of Bearings


Number of Valves


Engine Charging

Exhaust Turbocharger, Turbo/Intercooler


Petrol Engine

Fuel Mixture

Direct Injection

Engine Type


Cylinder Type


Engine Management


Price Used Engine (€)


Deposit for the Old Engine (€)


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Robust and durable S63 B44 A engine for BMW, WIESMANN

Thoroughly tested BMW, WIESMANN S63 B44 A engine

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Information about the BMW, WIESMANN replacement engine S63 B44 A:

The S63 B44 A, S63B44A engine is used by the manufacturer BMW, WIESMANN in the following models: GT MF5, MF5, X5 E70, X6 E71 E72.

Engine type and performance:

Depending on the engine control unit, the Petrol engine S63 B44 A has an output of 555hp, which is equivalent to 408kW.

The 8-cylinder Exhaust Turbocharger engine is Water-cooled and produces a torque of 680Nm with a displacement of ccm.

The 4.4, M S63 B44 A engine features 32 valves, 5 bearings, and achieves a compression ratio of 9.3 with a stroke of 88.3 mm and a bore of 89 mm.

It is a DOHC Petrol Engine V 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 S63 B44 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 S63 B44 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, WIESMANN | GT MF5, MF5, X5 E70, X6 E71 E72

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: 8079 €
Complete engine: Please request the price by filling out the form.
Overhauled engine: €

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

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

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Engine code S63 B44 A compatible with Engine S63B44A BMW WIESMANN X5 E70 X6 E71 E72 GT MF5 M 4.4 555hp

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