Turbo Parts

Turbo Boost Solenoid - M57

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T#:15445581

Part#: 11658509323

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$ 68.95 USD

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$ 68.95 USD

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This solenoid attaches inline with the vacuum tanks to provide constant boost pressure numbers. Some symptoms of failure include not holding boost and abnormal noise from the solenoid.

URO Vacuum Canister - BMW N54 3.0L

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T#:39768337

Part#: 11652247620

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$ 33.99 USD

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$ 33.99 USD

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Used in the turbo system to help hold vacuum.

N54 Turbo Boost Leak Tester - BMW 3-Series E9X N54 3.0L

T#:641167

Part#: BMW-N54-CAP

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$ 49.00 USD

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$ 49.00 USD

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This Boost Leak Tester kit mounts inside both of the flexible intake hoses that lead to your turbo's compressor inlet flanges. You will need to remove the air box (or your aftermarket air filters) to expose the 2 intake pipes. Install the testers in each pipe and pressurize the system using the tire schrader with your tire inflation tool. The kit comes with the necessary caps to block the diverter valve return flanges on the intake pipes, also a cap to block the breather line at the bakc of the valve cover. Once the kit is installed, use compressed air to charge the system and you will see that both gauges read the compressor pressure you are filling with. You'll be able to test the turbo to the motor checking all leak points in between, including intercooler, clamped connections, intake manifold, divertor valves and the many random potential leak points. Note: Testing at the intake pipe, you may hear noise coming from the o-ring (at ~12 psi test pressure) that seals the intake pipe to the turbo inlet from debris. This is not a boost leak, these are not meant to see boost and not intended to be perfectly sealed, however hearing this hissing may be mis-diagnosed as a leak. In this case reduce the pressure. If no obvious leaks are heard in any other location, the test is complete and there are no significant leaks The gauge on the boost leak tester allows the user to: apply a safe amount of pressure to prevent injury or damage to the charge pipes or engine read how fast the system holds and bleeds air after removing the air source give a good comparison of compressor outlet air Vs. boost test air while pressurizing. The smaller the difference the lesser the air loss in the system Design Features: Plastic End Caps with 1/8" NPT threaded gauge port & fitting port Boost Gauges with 30 PSI / 1Bar Boost Gauge Universal Tire Schrader Valve (can be removed and tapped for 1/4" NPT thread fitting if desired) (2) Stainless Steel T-Bolt Clamps with Teflon lock-nut (3) Vinyl Caps for diverter valve return and valve cover breather

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Wastegate Repair Kit - N54

T#:41863724

Part#: 116575857456TKT

Ships on Sep 1, 2026

$ 164.99 USD

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$ 164.99 USD

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Get rid of that annoying N54 Wastegate Rattle for good!

Pressure Converter

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T#:14783537

Part#: 11657599547

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$ 59.99 USD

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$ 59.99 USD

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VTT B58TU GC-MID Turbocharger Upgrade - 6-Port Manifold B58 3.0L Engi...

T#:25971905

Part#: B58TUGCMID6P

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$ 2,404.99 USD

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$ 2,404.99 USD

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Upgrade your BMW B58 engine with the VTT GC-MID Stock-650WHP (TU ONLY) turbocharger for unparalleled performance gains. VTT's turbocharger offers easy installation, eliminating core charges and long lead times associated with traditional upgrades. With enhanced design elements and OE-quality castings, this turbocharger supports over 600WHP while maintaining factory spool and connections.

All-new castings with factory restrictions removed
Full 3' turbocharger inlet size with included silicone inlet elbow
9-blade turbine and compressor wheels for increased flow and spool
Direct connection to all factory lines
Redesigned internal components for improved performance
No core charges and no long lead times
Full 12-month unlimited mileage warranty

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Basic Boost Solenoid Kit - BMW E90 E70 M57 3.0L

T#:51883669

Part#: T11658509323BKT

In Stock

Sale - Save 3% $ 176.99

This product was last offered at the strikethrough price on
05-03-2026

$ 171.26 USD

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Sale - Save 3%

$ 176.99

This product was last offered at the strikethrough price on
05-03-2026

$ 171.26 USD

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The factory boost solenoids, also known as pressure converters, are a common issue on the M57 engine. The vacuum hose also hardens over time due to heat, and can crack or split, leading to vacuum leaks. These failures result in a loss of power, limp mode, lazy throttle response, and check engine lights. This basic kit includes two replacement boost solenoids to restore engine power and performance, plus new silicon vacuum hose that will last much longer than the OE rubber vacuum hose.

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Vargas Charge Pipe Weld MAP Sensor Bung Flange - BMW B48, B58, S58 ...

T#:52094555

Part#: VTT-FAB-015

Ships in 10 Business Days

$ 21.99 USD

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$ 21.99 USD

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The VTT-FAB Billet MAP Sensor Bung is the definitive choice for tuners and fabricators seeking a reliable mounting solution for B48, B58, and S58 platforms.

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Turbo Boost Solenoid - M57

URO Vacuum Canister - BMW N54 3.0L

N54 Turbo Boost Leak Tester - BMW 3-Series E9X N54 3.0L

Wastegate Repair Kit - N54

Pressure Converter

VTT B58TU GC-MID Turbocharger Upgrade - 6-Port Manifold B58 3.0L Engi...

Basic Boost Solenoid Kit - BMW E90 E70 M57 3.0L

Vargas Charge Pipe Weld MAP Sensor Bung Flange - BMW B48, B58, S58 ...

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