2003-2005 BMW Z4 Axle Differential / Diff (3.46) Rear 33107514131

OEM Part #: 33-10-7-514-131 (33107514131)

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Upgrade your BMW's performance with this authentic OEM Axle Differential / Diff (3.46), meticulously sourced from salvage vehicles. Located at the rear, this differential is a critical component of the drivetrain, ensuring power distribution between the left and right wheels while enabling smooth cornering. Its functionality is vital for maintaining traction and stability, particularly in various driving conditions. Common issues requiring replacement include significant wear, damage from accidents, or failure to engage properly, resulting in decreased performance. Compatible with BMW Z4 models from 2003 to 2005, this part is identified by OEM part number 7514130 and is alternatively referenced as Diff or Rear Differential. This 3.46 ratio unit works seamlessly with both the 2.5L MT and 3.0L AT engines. Ensure your vehicle maintains its driving integrity with this genuine, factory-original part.

Specifications

Specifications for Axle Differential / Diff (3.46) 33107514131
Fits Vehicle ModelZ4
Fits Vehicle MakeBMW
OEM Part No33-10-7-514-131 (33107514131)
Compatible OEM Part No 7514130
SideRear
CategoryDifferential

Compatible Vehicles

Fits 6 vehicle configurations across 1 make, 2003-2005.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

BMW

  • Z4 2003-2005 · 6 variants
View all 6 vehicle configurations
Full vehicle fitment list for Axle Differential / Diff (3.46) 33107514131
Year Make Model Trim Engine Note
2003 BMW Z4 Convertible 2.5L l6
2003 BMW Z4 Convertible 3.0L l6
2004 BMW Z4 Convertible 2.5L l6
2004 BMW Z4 Convertible 3.0L l6
2005 BMW Z4 Convertible 2.5L l6
2005 BMW Z4 Convertible 3.0L l6

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Asking about: Axle Differential / Diff (3.46) 33107514131 · OEM #7514131