BMW E46 Transformation

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2004 BMW 330Ci convertible (E46 series) transformed to electric”

Details:

  • Build undertaken in 2019-2020.

  • Motor: HPEVS AC-51
    (draw up to 500 amps producing up to 88 HP and 108 ft-lbs of torque)

  • Controller: Curtis 1239e

  • Battery Pack: Tesla Model S Lithium Ion modules located in engine compartment and trunk
    (each: ~23V, 5.3kWh; total: ~144V, 32kWh)

  • Retained stock 6-spd manual transmission; high-performance, light-weight clutch; custom adapter

  • Battery Management System (BMS): Ewert Energy Systems Orion BMS 2

  • Charger: Stealth EV 3.3kW (with combo DC-to-DC converter), J1772 receptacle in former gas filler door

  • Range: ~100 miles

  • Finished weight: ~3600 lbs (about 200 lbs heavier than with ICE {internal combustion engine})


 

Rough fitting HPEVS AC-51 electric motor

 

Old 3.0L ICE

 

2 Tesla battery modules in trunk

Battery fluid system

The old engine bay

4 Tesla battery modules in engine compartment

The new engine bay

Charging!

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