Turbos for BMW X5 M S63 4.4L

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If more boost and reliability are your goals choose from one of our BMW turbo upgrades. Our turbo upgrades range from stock turbos rebuilt with stronger internals to all-new, ground-up turbo upgrades. BMW turbos such as the N54 are capable of really impressive power numbers on stock engine internals but the factory turbos lack the precise tolerances and reliability that an upgraded unit will deliver. In other words, the stock turbos can only do so much and if big power (>400whp) is your goal a turbo upgrade must be in your plans. Our partners are leading experts in turbo technology and upgrades. Each Stage has been professionally developed and tested. Additional upgrades and tuning may be, or is, required. Contact us for more details on tuning options.

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Turbocharger Oil Line - Cylinders 5-8 (Return)
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:17704696
Part#: 11427844987
In Stock
$ 57.99 USD
Free Shipping on orders $49 and up
OE quality with an affordable cost
Rein Turbocharger Oil Line - Cylinders 1-4 (Return)
Also use: (Qty.) (1) 11 42 7 578 079 O-ring, (1) 11 42 8 624 158 Gasket. ¦ Right
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:17738385
Part#: 11427844986
In Stock
$ 70.99

This product was last offered at the strikethrough price on
04-28-2026

$ 60.99 USD
Free Shipping on orders $49 and up
$ 60.99 USD
Free Shipping on orders $49 and up
Replacing both feed and return pipes together ensures optimal performance and safety levels.
Pneumatic Boost Solenoid - N20 N55 N63 S63 Engines
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:6166479
Part#: 11747626351
Ships in 1 Business Day
$ 99.99

This product was last offered at the strikethrough price on
06-30-2026

$ 89.99 USD
Free Shipping
$ 89.99 USD
Free Shipping

Optimize the performance of your BMW's N20, N55, N63, or S63 engine with the Pneumatic Boost Solenoid. This essential actuator plays a crucial role in regulating vacuum, influencing the overall performance of your vehicle. Ensure your BMW operates at its best by addressing faulty boost solenoids promptly.

  • Engine Performance Optimization: The boost solenoid enhances the overall performance of N20, N55, N63, and S63 engines.
  • Vacuum Regulation: Precisely regulates vacuum levels, contributing to efficient engine operation.
  • Compatibility: Designed for BMW vehicles with N20, N55, N63, and S63 engines for a perfect fit.
  • Fault Resolution: Promptly addressing faulty boost solenoids ensures consistent and reliable vehicle performance.

Upgrade your BMW's engine performance with the Pneumatic Boost Solenoid, designed to deliver optimal functionality for N20, N55, N63, and S63 engines.

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Weistec BMW S63TU W.4 Turbo Upgrade System
This kit includes Garrett Gen 2 GTX3071R Turbos
Weistec - Corporate Logo
T#:22690721
Part#: 01-563-01810-5
Ships in 1 Business Day
$ 12,999.00 USD
Free Shipping on orders $49 and up
Astonishing gains of +453 Horsepower, and + 398lb-ft of torque! Makes 1000 Horsepower, and 900lb-ft of Torque! 100% Bolt-on installation!

Weistec BMW S63TU W.3 Turbo Upgrade
You are required to ship Weistec your OE turbochargers as a core.
Weistec - Corporate Logo
T#:22690720
Part#: 01-563-01834-1
Ships in 1 Business Day
$ 5,713.99 USD
Free Shipping on orders $49 and up
Astonishing gains up to +343 Horsepower & 348 Torque! 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core.
Turbocharger Cut-Off Valve
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:25109077
Part#: 11657601058
Ships on Oct 13, 2026
$ 96.99 USD
Free Shipping on orders $49 and up

If your vehicle is producing boost-related engine fault codes, it may be time to replace your diverter valve. This valve, found on the compressor housing, is designed to vent pressurized air when the throttle plate is closed, preventing compressor surge in the process.

This factory replacement unit is a "plumb-back" style, meaning the pressurized air is recirculated into the inlet for silent operation.

Compressor surge and boost-related fault codes can hurt your vehicle's powertrain. Thankfully, URO Parts offers this replacement unit designed to fix these issues.

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Rein - Corporate Logo
T#:17704691
Part#: 11657620507
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up
Febi - Corporate Logo
T#:56507868
Part#: 11747626351
Special Order: No Guaranteed ETA
New Item
$ 57.99 USD
Free Shipping on orders $49 and up
This Febi Bilstein replacement solenoid valve provides exact fitment and dependable performance needed to maintain optimal boost control.