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BMW

W.3 Turbo Upgrade BMW N63
Purchase W.3 Turbo Upgrade BMW N63
  • SKU: 01-563-01920-7

    W.3 Turbo Upgrade BMW N63

  • $5,499.99

  • Prop 65 warning
    Warning

    This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Turbo Type W.3 (Factory Upgrade)
Manufacturer Weistec
Street legal in all the US States No
Engine Family N63
year make model trim engine
2017 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2016 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2015 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2014 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2017 BMW X5 xDrive50i 8AT (F15) Twin Turbo 4.4L V8 (N63)
2016 BMW X5 xDrive50i 8AT (F15) Twin Turbo 4.4L V8 (N63)
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BMW M550i / M750i / M850i

The Weistec W.3 Turbo Upgrade for the BMW 4.4L twin turbo N63B44O2 Engine found in the M550i, M750i and M850i vehicles provides vastly improved top end performance through out the power band.  Thanks to the high flow intake pipes and enlarged compressor cover inlet, response of the turbos is near stock while capable of flowing substantially more air than the factory turbos!

The factory turbocharges are disassembled and fully inspected.  The compressor cover and center cartridge are then machined to accept our 5-axis CNC machined impeller wheel which despite being substantially larger, weighs the same as the factory cast impeller wheel.  Externally the compressor cover is modified to compensate for a much larger impeller wheel.  The new impeller wheel supports greater power levels than the factory unit with little to no sacrifice in spool and response thanks to the high flow intake pipes and large compressor cover inlet.  The turbochargers are then reassembled with new seals and bearings, then fully balanced for smooth operation and OEM service life.  All the OEM oil and coolant lines bolt right up making for a simple install.

For maximum results, proper supporting upgrades and ECU tuning are required

*Power gains vary based on model and modifications.

*Product may not be emissions compliant.  Check local laws prior to installation.

Key Features:


  • 53+ lb/min Billet CNC Compressor Wheels

  • 5 Axis CNC Machined

  • High RPM Balanced for perfect operation

  • Substantial power throughout the RPM range

  • Stock like response

  • Stock Appearance when installed

  • High flow intake pipes included

  • 100% Bolt on installation

  • All necessary hardware and gaskets are included

  • Core exchange/charge required