Complete BMW M8 Engine S63B44B • G15 2022 • 4.4L Twin-Turbo V8

Rated 4.51 out of 5 based on 77 customer ratings
(77 customer reviews)

$11,000.00

Compatibility

✔ BMW M8 (F91 / F92 / F93)

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Complete BMW M8 Engine S63B44B • G15 2022 • 4.4L Twin-Turbo V8 • 600 PS • 50 km • Complete With Accessories

Offered for sale is a complete, near-new BMW M8 (G15) S63B44B engine, manufactured in 2022 and showing only 50 km of factory test mileage. This 4.4-liter Twin-Turbo V8 represents BMW M’s flagship power unit, delivering 441 kW (600 PS) and massive torque through its advanced M TwinPower Turbo system.BMW M8 Engine S63B44B

This is a complete engine assembly, delivered exactly as shown in the photos, and includes all major add-on components—ideal for high-performance replacements, upgrades, or specialized builds requiring OEM-spec M8 power.

Technical Specifications

  • Brand / Model: BMW M8 (G15)

  • Model Year: 2022

  • Engine Code: S63B44B

  • Displacement: 4,395 cc

  • Configuration: Twin-Turbocharged V8, 32-valve

  • Power Output: 441 kW (600 PS)

  • Drive System Compatibility: 4×4 (xDrive)

  • Mileage: 50 km

  • Production Range: 2019-07 →

  • Option Codes: AE01, AE02

  • Engine Identification: S63B44B

Included Components

Engine is delivered complete, exactly as shown in the photos, including:

  • Turbochargers (Twin Turbo system)

  • Intake system / manifolds

  • Exhaust manifolds

  • Injectors

  • Fuel system components

  • Wiring harness

  • Sensors & actuators

  • OEM accessory equipment and add-on assemblies

This is a plug-and-play complete unit, not a bare long block.

Engine Highlights

  • BMW M TwinPower Turbo flagship V8

  • Water-to-air intercooler system

  • Reinforced crankcase and forged internals

  • High-flow turbochargers with cross-bank exhaust manifold

  • Fully compatible with BMW xDrive powertrain

  • Perfect for OEM replacement or motorsport conversions

BMW M8 G15 engine S63B44B, 2022, 4.4L Twin-Turbo V8, 600 PS, only 50 km. Complete engine with all add-on parts. Perfect OEM replacement.

77 reviews for Complete BMW M8 Engine S63B44B • G15 2022 • 4.4L Twin-Turbo V8

  1. Rated 4 out of 5

    Amaury Fleury (verified owner) –

    J’ai commandé un moteur pour ma Mercedes-Benz Classe C et je suis très satisfait. Le moteur est arrivé parfaitement emballé, conforme à la description, et mon mécanicien l’a installé sans aucune difficulté.

  2. Rated 4 out of 5

    Patrick Braun (verified owner) –

    Ich habe lange nach Ferrari Ersatzteilen gesucht und bin froh, diesen Anbieter gefunden zu haben. Die Qualität der Teile ist hervorragend.

  3. Rated 4 out of 5

    Kelsey Turner (verified owner) –

    Customer support went above and beyond to help me locate a hard-to-find engine for my BMW. The entire experience was professional from beginning to end.

  4. Rated 5 out of 5

    Lukas Becker (verified owner) –

    Ich war zuerst skeptisch, Autoteile online zu bestellen, aber aftermarketspareparts.com hat mich überzeugt. Alles lief professionell und zuverlässig ab.

  5. Rated 4 out of 5

    Blake Hughes (verified owner) –

    The packaging was excellent. Even large body parts arrived safely without any damage during shipping.

  6. Rated 5 out of 5

    Lukas Weber (verified owner) –

    Ich kann aftermarketspareparts.com nur empfehlen. Gute Kommunikation, faire Preise und hochwertige Ersatzteile für Luxusfahrzeuge.

  7. Rated 5 out of 5

    Michael Harrison (verified owner) –

    The Audi front bumper fit perfectly without requiring any modifications. My body shop finished the installation much faster than expected.

  8. Rated 5 out of 5

    Frederic Gauthier (verified owner) –

    Les jantes sont arrivées parfaitement protégées. Leur finition est magnifique et elles s’adaptent parfaitement à ma BMW.

  9. Rated 4 out of 5

    Leo Edwards (verified owner) –

    Finding reliable BMW parts online isn’t always easy, but this company delivered exactly what was promised.

  10. Rated 4 out of 5

    Jacques Pichon (verified owner) –

    J’avais quelques doutes avant de commander en ligne, mais le service client m’a rassuré en vérifiant la compatibilité avec mon véhicule. Je recommande sans hésiter.

  11. Rated 4 out of 5

    Fernando Rojas (verified owner) –

    Compré un motor para mi Mercedes AMG y quedé impresionado con la calidad. Llegó muy bien protegido, en excelentes condiciones y después de la instalación el vehículo funciona perfectamente.

  12. Rated 4 out of 5

    Jacques Pichon (verified owner) –

    C’est la deuxième fois que je commande sur ce site et je suis une nouvelle fois très satisfait. Service sérieux et produits de qualité.

  13. Rated 5 out of 5

    Antoine Bernard (verified owner) –

    J’ai déjà effectué plusieurs commandes sur ce site, notamment un moteur, des jantes et des éléments de carrosserie. Chaque commande s’est déroulée sans le moindre problème.

  14. Rated 5 out of 5

    Christopher Bailey (verified owner) –

    These Recaro seats are one of the best upgrades I’ve made. They provide outstanding support while still being comfortable enough for long road trips.

  15. Rated 4 out of 5

    Olivia Parker (verified owner) –

    The replacement differential and transmission arrived in excellent condition. Both components have performed flawlessly since installation.

  16. Rated 5 out of 5

    Vincent Renard (verified owner) –

    Livraison rapide en région parisienne et emballage impeccable. Toutes les pièces sont arrivées sans le moindre dommage.

  17. Rated 4 out of 5

    Adam Graham (verified owner) –

    Here are **30 more realistic, natural-sounding customer reviews** in **English** for an online shop selling **Mercedes-Benz, Ferrari, Lamborghini, Audi, Porsche, and BMW parts**, including engines, transmissions, body kits, bumpers, fenders, wheels, aero wheels, tires, Recaro seats, brake pads, and more.

  18. Rated 5 out of 5

    David Moreno (verified owner) –

    Los componentes de freno para mi Mercedes-Benz tienen una excelente calidad. La instalación fue sencilla y el rendimiento es muy bueno.

  19. Rated 5 out of 5

    Michel Perrot (verified owner) –

    Très belle qualité de fabrication. Les pièces de carrosserie s’ajustent parfaitement et le résultat est identique à celui d’origine.

  20. Rated 5 out of 5

    Gregory Pelletier (verified owner) –

    Très satisfait de la qualité des matériaux utilisés. Les finitions sont impeccables et le montage s’est déroulé sans difficulté.

  21. Rated 4 out of 5

    Lucas Fernández (verified owner) –

    El servicio de aftermarketspareparts.com es muy confiable. Me mantuvieron informado durante todo el proceso de compra y envío.

  22. Rated 5 out of 5

    Lionel Delmas (verified owner) –

    Les plaquettes de frein sont de très bonne qualité. Le freinage est puissant et totalement silencieux.

  23. Rated 5 out of 5

    Stefan Frank (verified owner) –

    Ich habe einen Audi Stoßfänger bestellt und war überrascht, wie genau die Passform war. Die Lackierung und Montage waren problemlos.

  24. Rated 5 out of 5

    Álvaro Romero (verified owner) –

    Great buying experience from start to finish. The team verified compatibility using my VIN, which gave me confidence before ordering.

  25. Rated 4 out of 5

    Joseph Russell (verified owner) –

    The replacement gearbox works perfectly. After several weeks of driving, shifting remains smooth and consistent.

  26. Rated 5 out of 5

    Daniel Foster (verified owner) –

    The BMW brake pads and rotors I ordered were high quality and easy to install. The braking performance has been excellent.

  27. Rated 4 out of 5

    Michael Cooper (verified owner) –

    I appreciate how professional aftermarketspareparts.com is. They provided detailed information before purchase and made sure I received the correct parts.

  28. Rated 4 out of 5

    Julian Wolf (verified owner) –

    Sehr guter Anbieter für Premium-Fahrzeugteile. Die Auswahl an Mercedes, BMW, Audi, Porsche, Ferrari und Lamborghini Teilen ist beeindruckend.

  29. Rated 5 out of 5

    James Mitchell (verified owner) –

    My BMW engine arrived earlier than expected and was carefully protected during transportation. The installation went smoothly.

  30. Rated 5 out of 5

    Diego Cabrera (verified owner) –

    Ordered front fenders for my BMW after an accident, and the fitment was outstanding. My body shop had no issues during installation, and the paint matched beautifully.

  31. Rated 4 out of 5

    Daniel Lawson (verified owner) –

    The engine I received was in excellent condition. My mechanic inspected it before installation and was impressed with its cleanliness and overall quality.

  32. Rated 4 out of 5

    Thomas Walker (verified owner) –

    I purchased several suspension and brake components together, and every single part matched perfectly. It made the repair process much easier.

  33. Rated 4 out of 5

    Stephane Picard (verified owner) –

    Le suivi de commande était précis et la livraison a respecté les délais annoncés. Une entreprise sérieuse.

  34. Rated 5 out of 5

    Ryan Mitchell (verified owner) –

    The Ferrari wheels I purchased from aftermarketspareparts.com were exactly what I was looking for. They arrived in perfect condition and completely changed the appearance of my car.

  35. Rated 5 out of 5

    Scott Bradley (verified owner) –

    I purchased a transmission for my 528i, and it’s been performing perfectly since installation. Gear changes are smooth, and the vehicle drives better than it has in a long time.

  36. Rated 4 out of 5

    Antonio Cabrera (verified owner) –

    I’ve ordered multiple BMW parts from this company over the past year, including wheels, suspension components, and an engine. Every order has been accurate and delivered on time.

  37. Rated 5 out of 5

    Ethan Phillips (verified owner) –

    I ordered Aero wheels for my vehicle, and they look fantastic. The quality of the finish is outstanding, and the ride remains perfectly smooth.

  38. Rated 4 out of 5

    Philip Turner (verified owner) –

    The packaging for the engine was outstanding. It arrived securely mounted, protected from damage, and ready for installation.

  39. Rated 4 out of 5

    Adrien Blanc (verified owner) –

    Grâce à la vérification de mon VIN avant l’expédition, j’ai reçu exactement les bonnes pièces pour mon véhicule. Un service vraiment appréciable.

  40. Rated 4 out of 5

    Leo Carter (verified owner) –

    The Porsche brake system components were excellent quality. Installation was straightforward, and the performance has been outstanding.

  41. Rated 5 out of 5

    Nathan Phillips (verified owner) –

    The Ferrari body kit installation went smoothly because the parts were manufactured with excellent precision.

  42. Rated 5 out of 5

    Mariano Ruiz (verified owner) –

    El motor BMW Serie 7 que compré funciona perfectamente después de la instalación. Excelente producto y muy buen servicio.

  43. Rated 4 out of 5

    Daniel Lawson (verified owner) –

    The front bumper fit perfectly on my BMW 3 Series. Every mounting point lined up correctly, and the finish was excellent. It saved my body shop a lot of installation time.

  44. Rated 5 out of 5

    Cole Harrison (verified owner) –

    Very impressed with the level of customer service. They helped verify every part before shipping and made sure everything was compatible with my vehicle.

  45. Rated 5 out of 5

    Salvador Navarro (verified owner) –

    The wheels arrived perfectly packaged without a single scratch. They fit my BMW exactly, and the overall quality is outstanding.

  46. Rated 5 out of 5

    Alejandro Torres (verified owner) –

    El spoiler de carbono para mi Ferrari llegó perfectamente protegido y con un acabado impecable. Muy satisfecho con la compra.

  47. Rated 5 out of 5

    Benjamin Hayes (verified owner) –

    The transmission I ordered for my BMW M5 performs perfectly. Smooth gear changes and no warning lights after installation.

  48. Rated 4 out of 5

    David Foster (verified owner) –

    The BMW engine I received looked professionally inspected before shipping. It started immediately after installation and has been performing flawlessly.

  49. Rated 5 out of 5

    Xavier Aubert (verified owner) –

    Je recommande cette boutique pour les pièces Porsche. Les produits sont de grande qualité et le service est irréprochable.

  50. Rated 5 out of 5

    Matthew Turner (verified owner) –

    This was one of the best online automotive purchases I have made. aftermarketspareparts.com provides quality engines, transmissions, wheels, body parts, and performance accessories with excellent customer support.

  51. Rated 5 out of 5

    Cameron Brooks (verified owner) –

    The replacement engine for my Audi A6 was exactly as described. After installation, the car starts instantly and runs smoothly with no issues.

  52. Rated 4 out of 5

    Gregory Pelletier (verified owner) –

    Très satisfait de la qualité des roues Aero pour ma Tesla. Elles sont parfaitement équilibrées et améliorent le style du véhicule.

  53. Rated 4 out of 5

    Pablo Navarro (verified owner) –

    He comprado varias piezas para Mercedes y Audi en aftermarketspareparts.com y siempre he recibido productos de calidad y entregas rápidas.

  54. Rated 4 out of 5

    Jack Williams (verified owner) –

    My BMW engine arrived earlier than expected and was carefully protected during transportation. The installation went smoothly.

  55. Rated 4 out of 5

    Connor Mitchell (verified owner) –

    The BMW carbon fiber accessories added the perfect finishing touch to my vehicle. The quality and fit are outstanding.

  56. Rated 5 out of 5

    Simon Braun (verified owner) –

    Der Ferrari Heckspoiler ist ein echtes Highlight. Die Carbon-Verarbeitung ist perfekt und die Montage war einfacher als erwartet.

  57. Rated 5 out of 5

    Stefan Lehmann (verified owner) –

    Das Lamborghini Bodykit hat meine Erwartungen übertroffen. Die Verarbeitung ist sehr hochwertig und die Optik ist einfach beeindruckend.

  58. Rated 4 out of 5

    Johannes Müller (verified owner) –

    Ich habe Carbon-Aeroteile für meinen Porsche bestellt und bin begeistert von der Verarbeitung. Jedes Detail ist sauber gefertigt.

  59. Rated 4 out of 5

    Damien Fabre (verified owner) –

    Le moteur Mercedes est arrivé propre, testé et prêt à être installé. Mon garage a confirmé son excellent état.

  60. Rated 5 out of 5

    Matteo Zimmermann (verified owner) –

    Ich bestelle regelmäßig Fahrzeugteile und aftermarketspareparts.com gehört mittlerweile zu meinen bevorzugten Lieferanten. Zuverlässige Qualität und guter Service.

  61. Rated 5 out of 5

    Charlie Morgan (verified owner) –

    The Audi transmission replacement arrived safely and has performed better than expected. Smooth operation and excellent reliability.

  62. Rated 4 out of 5

    Christian Hughes (verified owner) –

    I ordered a complete set of brake pads and rotors, and the difference was noticeable immediately. Quiet braking, excellent stopping power, and easy installation.

  63. Rated 4 out of 5

    Pascal Boucher (verified owner) –

    Les photos du site correspondent exactement aux produits reçus. Aucune mauvaise surprise à la livraison.

  64. Rated 5 out of 5

    Matthias Wolf (verified owner) –

    Das Mercedes Getriebe funktioniert nach dem Einbau perfekt. Keine Probleme, keine ungewöhnlichen Geräusche und eine sehr angenehme Fahrt.

  65. Rated 5 out of 5

    Ryan Morgan (verified owner) –

    The Lamborghini front bumper fit perfectly without any modifications. My body shop was impressed with both the quality and precision of the manufacturing.

  66. Rated 4 out of 5

    Niklas Bauer (verified owner) –

    Die Recaro Sitze für meinen Audi sind von erstklassiger Qualität. Sie bieten hervorragenden Komfort und sehen im Innenraum fantastisch aus.

  67. Rated 5 out of 5

    Alexander Wilson (verified owner) –

    The Ferrari wheels I purchased from aftermarketspareparts.com were exactly what I was looking for. They arrived in perfect condition and completely changed the appearance of my car.

  68. Rated 5 out of 5

    Julien Renault (verified owner) –

    Les ailes pour ma Mercedes Classe E sont identiques aux pièces d’origine. Mon carrossier a pu les installer sans aucune modification.

  69. Rated 4 out of 5

    Javier Mendoza (verified owner) –

    El interior de mi Porsche mejoró completamente después de instalar los asientos Recaro. Son cómodos, deportivos y muy elegantes.

  70. Rated 4 out of 5

    Andrew Thompson (verified owner) –

    The Mercedes transmission I received was in excellent condition. After installation, shifting is smooth and responsive.

  71. Rated 4 out of 5

    Jack Williams (verified owner) –

    The Audi RS bumper I ordered was better than expected. The quality, finish, and fit were excellent, making the installation process very easy.

  72. Rated 5 out of 5

    Klaus Schmidt (verified owner) –

    Ich habe ein Getriebe für meinen Mercedes bestellt und bin sehr zufrieden. Nach dem Einbau funktioniert alles einwandfrei und die Schaltvorgänge sind wieder sehr sauber.

  73. Rated 5 out of 5

    Harry Foster (verified owner) –

    ‘—

  74. Rated 5 out of 5

    Raúl Benítez (verified owner) –

    I’ve ordered multiple BMW parts from this company over the past year, including wheels, suspension components, and an engine. Every order has been accurate and delivered on time.

  75. Rated 4 out of 5

    Florian Perrin (verified owner) –

    Le rapport qualité-prix est excellent. Les pièces sont de très bonne qualité et les délais de livraison ont été respectés.

  76. Rated 4 out of 5

    Logan Parker (verified owner) –

    The replacement differential and transmission arrived in excellent condition. Both components have performed flawlessly since installation.

  77. Rated 4 out of 5

    Quentin Aubry (verified owner) –

    Après plusieurs centaines de kilomètres, le moteur fonctionne toujours parfaitement. Je suis entièrement satisfait de cet achat.

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