The older early style BMW X3 series E83 suffers badly with rear diff noise problems. Rebuilding it using the parts in our rear differential service kit should solve your whining noises with just a few hours work.
1 x Pinion head bearing 1 x Pinion tail bearing
1 x Preload spacer 2 x Differential carrier side bearings 2 x Driveshaft oil seals 1 x Pinion oil seal.
IMPORTANT: Please send your VIN number or bearing numbers as this kit will not fit all types of rear BMW X3 diff. We will not ship your parts until we have this information.
Currently we can offer kits for the following BMW X3 cars:
BMW X3 2.5i E83 with M54 engine and automatic gearbox
BMW X3 2.5si E83N with N52N engine and automatic gearbox
BMW X3 3.0i E83N with N52N engine and automatic gearbox