ESS Tuning BMW M54B30 G1 Supercharger System

Featuring the patented, highly efficient, extremely durable and light weight ESS G1 supercharger unit. This unit delivers quick boost, a very strong mid range and considerably less mechanical noise than competing centrifugal supercharger systems on top of a ~12lbs savings in total system weight. 

The M54B30 G1 supercharger system comes with an integrated bypass valve designed not only for optimum flow, but for minimal weight to not disrupt the iconic chassis balance of th6cyl BMW M54 models. The M54B30 G1 is a complete system with everything you need for correct installation.

The supercharger system includes the ESS E-Flash OBD2 cable and specific ESS engine software that is perfectly calibrated for the M54B30 G1 supercharged engine providing optimum ignition timing under all conditions, re-calibrated throttle control for quicker throttle response, re-calibrated VANOS control, and perfectly optimized fuel delivery under all conditions. The top speed governor is also removed in markets where allowed. E-Flash allows the end user to upload the supercharger ECU software from any PC running Windows 7 or newer, and includes full diagnostic and code clearing capability. Any future ESS software updates can be received by email and loaded directly to the car. The stock ECU software will be saved and can easily be restored in the future.

Power delivery is 100% smooth and of OEM standard. The car behaves just like stock until you demand power, then the car completely transform providing fantastic acceleration.

The ESS M54 G1 systems includes a significantly improved main bracket design with 60% stronger structural rigidity, an improved 3 roller beltdrive system with improved belt traction in severe racing conditions and also newly developed one piece silicone discharge hoses for SC to TB connections.

The system maintains all OBD-II functions and it is backed by a comprehensive 2 year, unlimited mileage warranty program. This complete system is 100% bolt on and includes everything you need. Installation takes 4-6 hours using normal hand tools and no irreversible modifications to the car are necessary.

System components:
-ESS G1 internally lubricated high-efficiency supercharger unit.
-6PK (6rib) belt drive system with M54B30 specific SC drive ratio.
-Bypass-valve system.
-One belt driven w/auto tension system.
-CNC machined, hard anodized brackets.
-Long life 6PK serpentine drive belt.
-5 layer super strength silicone hose throughout system.
-High capacity, direct replacement Siemens 355cc fuel injectors.
-K&N cold air intake.
-ESS E-Flash reprogramming and diagnostic interface
-Perfectly optimized, dyno tweaked MS43/45 ECU software with removed top speed governor where applicable.
-Detailed and illustrated installation manual.
-2yr./unlimited mileage warranty.
-100% maintenance free operation.

Installation time: 4-6 hours
The M54B30 G1 requires the use of 91AKI/95RON and above fuel quality. 93AKI/98RON or higher is required to achieve rated power gain.

M54B30 G1 specs :
Boost pressure: 7 PSI
Horsepower: 330SAE (46% gain over stock)
Torque: 300 ft/lbs

Application intended for: E46 330i, 330i ZHP, E39 530i, Z4 3.0i (E85).

*Does not fit with E46 bi xenon OEM headlights