BMW X5M E70 / X6M E71 Rear Differential / Final Drive 3.91 Ratio – OEM 33107597990

Rare genuine BMW rear differential / final drive removed from a BMW X5M (E70) with S63 4.4 V8 Twin Turbo engine.
Used OEM part, fully working. Exterior shows age-related corrosion (see photos). This is the specific high-performance unit fitted only to M models.

Photos:

Clear shots of all sides, input/output flanges, and the label showing 33107597990 / 3.91, plus any notable marks or wear.

Brand / Part Details:

• Brand: BMW M (Genuine OEM)
• OEM Part Number: 33107597990
• Supersession / Interchange: 33107586024 / 33107582390
• Type: Rear Differential / Final Drive
• Placement on Vehicle: Rear
• Gear Ratio: 3.91
• Fits: BMW X5M E70 (2009–2013), BMW X6M E71 (2009–2014) – S63 4.4 V8 Twin Turbo, xDrive
• Condition: Used – fully operational

Item Description:

Rare BMW M rear differential, ratio 3.91, OEM number 33107597990. Supersedes part numbers 33107586024 / 33107582390. Removed from a running donor vehicle and visually inspected. Turns smoothly, no cracks or broken mounts. Specific to S63-powered M models.

Supplied as pictured:

No sensors, mounts or fluids included unless shown. We recommend replacing seals and refilling with fresh oil when fitting. Professional installation advised.

Fitment note:

This unit is specific to the BMW X5M E70 / X6M E71 with S63 4.4 V8 Twin Turbo. It will not fit standard diesel or non-M petrol versions. Buyer must confirm VIN and part number before ordering.

Condition:

Used part in working order prior to removal. The casing shows typical surface rust and service wear. Please review all photos for exact condition.

Shipping & Collection:

• UK mainland courier shipping (tracked & insured). Pallet shipping required due to weight (~50 kg).
• International shipping available – message with your postcode/ZIP for a quote.
• Local collection welcomed (Norwich, Norfolk, UK).

Returns & Terms:

• Sold as pictured.
• Returns accepted if the item is not as described.
• Buyer is responsible for compatibility checks before purchase.
• Fluids, seals and labour costs are not covered.

Questions?

Send us your VIN or original part number and we’ll help confirm compatibility. More photos available on request.

Price:

£749.99 Buy It Now – Best Offer Accepted