Stage 1 E46 M3 turbo kit


5.00 out of 5

Maximum PSI has created the world’s first and only factory DME tuned E46 M3 bolt on, street legal, turbo kit on the market.



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Stage 1 is a bolt-on turbo system that turns your stock engine into a turbocharged powerhouse.  The kit runs 8-9 psi on 91-93 octane pump gas, and has the ability to run as much as 13 psi with 100 octane fuel.  Power output will vary from car to car and is also dependent on exhaust configuration.  Typical power numbers are 470-500whp SAE on pump gas, and 540-600whp on 100 octane fuel.  Stage 1 now includes a AEM wideband O2 sensor, Turbosmart eBoost 2, and a dual ear gauge pod.  Stage 1-4 turbo kits now use our production cast turbo manifold.  This package is no longer available in kit form, and requires the vehicle to be shipped to Maximum PSI for in-house install.  Please email for more info.

Stage 1 Includes:
-Stock DME Technique Tuning Turbo Software
-Maximum PSI cast turbo manifold
-Precision 6266 journal bearing turbo
-Maximum PSI/Driven Innovations intake manifold
-Tial MVR wastegate
-Synapse diverter valve
-Turbosmart eBoost2 electronic boost controller
-AEM Wideband O2 sensor
-Steering column mounted gauge pod
-Front mount intercooler and hardware
-MAF Sensor & wiring harness
-Air temp sensor
-Spark plugs
-Fuel injectors
-Fuel rail hardware and adapters
-Walbro 485 fuel pump assembly
-3.5″ Intake pipe/ Green air filter
-304SS Charge Piping
-Silicone couplers and clamps
-Check valve for evap system
-Turbo oil fittings and lines
-3″ 304SS catted or catless downpipe
-304SS wastegate tube w/ mounting hardware
-Turbo mounting hardware and gasket
-Header mounting hardware and gaskets
-Valve cover breather assembly
-Turbo motor mount, mounting arm, and hardware
-Intake manifold brace and hardware
-ICV hose, clamps, and fittings
-Washer bottle assembly w/ hardware
-SMG reservoir relocation kit (if applicable)
-Brake duct block off plate
-Vacuum hose and fittings
-Wiring supplies
-Zip ties
-Bumper weather stripping

Select Options

Six Speed Non Catted, Six Speed Catted, SMG Non Catted, SMG Catted

1 review for Stage 1 E46 M3 turbo kit

  1. 5 out of 5


    Awesome kit, cant wait to go e85 -Brad

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