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E-Chassis N55 AWD Turbo Upgrade

Choose your desired power level from 4 stages. Perfect for replacing a worn stock turbo with a more capable unit, or making gobs of boosted German horsepower.
ES#:
4039702
Mfg#:
BBN55EAWD
Select Your Vehicle

E-Chassis N55 AWD Turbo Upgrade

Qty
Starting at: $0.00 4111.00
Availability: Direct Ship, Ship ETA Oct 1, 2020
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Select Options

all options
Complete, Stage 2
5959 turbo - capable of 520 whp
4039765 BBNEAWDC2
Direct Ship, Ship ETA Oct 1, 2020
4111.00
Complete, Stage 3
6159 turbo - capable of 620 whp
4039766 BBNEAWDC3
Direct Ship, Ship ETA Oct 1, 2020
4111.00
Complete, Stage 4
6564 turbo - Capable of 800 whp
4039767 BBN55EAWDC4
Direct Ship, Ship ETA Oct 1, 2020
4111.00
I would like the Simple Kit
Simple - Stage 1
5459 turbo - capable of 470 whp
4039696 BBN55EAWDS1
Direct Ship, Ship ETA Oct 1, 2020
3388.00
Simple - Stage 2
5959 turbo - capable of 520 whp
4039768 BBN55EAWDS2
Direct Ship, Ship ETA Oct 1, 2020
3388.00
Simple - Stage 3
6159 turbo - capable of 620 whp
4039769 BBN55EAWDS3
Direct Ship, Ship ETA Oct 1, 2020
3388.00
Simple - Stage 4
6564 turbo - Capable of 800 whp
4039770 BBN55EAWDS4
Direct Ship, Ship ETA Oct 1, 2020
3388.00

Product Details

This turbo upgrade kit from Big Boost is designed to be a direct factory upgrade, meaning it can be made to work with stock engine management, intercooler, and intake setups. For those looking for massive power, Complete kits that support up to 800whp are available. 

Choose Stage 1 for a solid replacement for your worn stock turbo. Not only will this work well with factory accessories, but it will give you some room to play, should you decide to increase boost pressure. This 5459 turbo supports up to 470whp.

Stage 2 is perfect for those looking for upgraded boost levels, while still maintaining a satisfactory level of ease and driveability. Additional fueling may be needed as well as a proper tune.  This 5959 turbo will support up to 520whp

Stage 3 is for the person looking for serious performance from their daily driver or weekend car. An external BOV and upgraded fueling are a must at this power level as well as precise management and tuning. This 6159 turbo will support up to 620whp.

Stage 4 is not for the faint of heart, but those looking to add obscene amounts of horsepower to their N55. This 6564 turbo will support upwards of 800hp with proper fueling and tuning.

The Simple Kit Includes: 

  • Cast manifold
  • Master Power turbocharger with Billet aluminum compressor wheel
  • Wastegate mount
  • Turbo to intercooler charge pipe
  • BOV mount
  • Turbo inlet pipe
  • Big Boost down-pipe 
  • Custom coolant pipe
  • Engine block coolant adapter
  • Intercooler inlet adapter
  • Oil lines
  • Custom Engine Mount

The Complete Kit includes everything from the Simple Kit but adds:

  • Laser iridium NGK pre-gapped spark plugs
  • VTA DV Kit
  • External Wastegate Setup

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW E90 335xi N55 3.0L
BMW E92 335xi N55 3.0L
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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