2013-2018 BMW M5 M6 4.4L V8 Engine Long Block S63B44B UNKNOWN

Fitment & Part Number

Vehicle Fitment
Handwritten-tag identification: S63B44B, BMW 4.4L twin-turbo V8 family. Application examples include 2013-2016 M5 F10 and 2013-2018 M6 F06/F12/F13 with the matching engine revision. Verify production date, Bosch/Delphi ignition version, oil system and original engine configuration. No direct-fit claim is made for F90 M5 or X5M/X6M variants. Turbos and other accessories are included only if pictured.

Why Shop With Us?

Review the item-specific description, condition notes, part numbers and photos before ordering. Contact us if any detail needs clarification.

Item details

• Product photos: Review the photos together with the item-specific description and included components.
• Manufacturer details: Review the manufacturer and part numbers stated for this item. An OE reference number alone does not establish who manufactured the product.
• Delivery: Review the shipping policy. Available service and delivery estimates depend on the item and destination; Freight shipping costs $350 at checkout for eligible U.S. destinations.

Before You Purchase (Buyer's Checklist):

1. Part number check: Compare the listed part numbers and specifications with your original part. Request fitment help before ordering if anything is unclear.
2. Condition: Review the condition and photos for this specific item. Ask about any wear, damage or missing components before purchase.
3. Fitment help: Send the product link, part number, vehicle details and VIN when available through our contact page before purchasing.

Returns & support

• Returns: Review our return and refund policy before purchase. Contact us to clarify any item-specific warranty terms.
• Customer Support: Have a question? Our team is ready to help you get back on the road.