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Free
online component directory ....
1. High-Voltage (HV) System
Since this is the "heart" of the car and where your current issue likely resides, it should be the primary section.
- The Battery Pack: Cells (60/94/120 Ah), internal wiring, and the SME (Storage Management
Electronics).
- Thermal Management: The AC-based liquid cooling lines and the internal heater.
- Charging System: The KLE (Convenience Charging Electronics), the charge port, and the locking pin actuator.
- Inverter/EME: The Electric Motor Electronics that convert DC to AC for the motor.
2. Low-Voltage (12V) & Control Electronics
Crucial because a fault here often mimics an HV battery failure.
- 12V Battery & Charging: The DC/DC converter (which replaces the alternator) and the 12V auxiliary battery.
- Control Modules: The BDC (Body Domain Controller) and the various "brains" that manage the car’s handshake with chargers.
- Connectivity: Telematics, the eSIM, and the My BMW app integration modules.
3. The Drive Module (Powertrain)
The mechanical components that propel the car.
- Electric Motor: The 125kW synchronous motor.
- Transmission: The single-speed fixed-gear reduction box and differential.
- Drive Shafts & CV Joints: Specific to the rear-wheel-drive setup.
- Range Extender (REx): If applicable, the W20 engine, fuel tank, and exhaust system.
4. Chassis & Running Gear
Standard mechanical items, though many are specialized for weight or aerodynamics.
- Steering: The electronic power steering (EPS) rack and column.
- Brakes: The regenerative braking integration, ABS/DSC modules, and specialized thin rotors.
- Suspension: Front struts, rear multi-link setup, and the unique aluminum subframes.
- Wheels & Tires: The "Tall and Thin" tire specifications (155/19, 175/19, etc.).
5. The Life Module (Body & Interior)
Focuses on the carbon fiber structure and sustainable materials.
- Carbon Fiber (CFRP) Shell: Repair points and structural bonding zones.
- Exterior Panels: The thermoplastic "skin" (bumpers, doors, and the glass tailgate).
- Interior Materials: Eucalyptus wood dash, Kenaf fiber door cards, and seat assemblies.
- HVAC: The heat pump (if equipped) and the specialized high-voltage AC compressor.
MISREPRESENTATION?
We
bought a BMW i3 not knowing the vehicle had so many faults, and the
company's system could lock up your car, and seize the transmission,
so that you are left stranded in the middle of nowhere, on the side of
the road, or in traffic, with a £15k brick. We wondered if that was
safe? Or, legal? But then found, allegedly, it was company policy, not to tell
people what the problem with their car is. And, with the dealer
approach of replace everything, also appearing not to know what is
wrong with the car, it could soon become a service
problem
nightmare.
Why
did they lock up the wheels? It makes no sense. If there is (or was) a
genuine safety issue, why not just immobilize the vehicle via
contactors, without
locking the transmission and braking the rear wheels. So that it could
be safely pushed off the road, or otherwise located safely?
The core argument in one sentence: "An EV that becomes unusable due to inaccessible software is not a sustainable product — it is a form of digital obsolescence that increases waste, undermines climate goals, and violates the principles of the
UN Sustainable Development
Goals."
BMW AG – Sustainability and Environmental Protection
BMW Group Sustainability
Petuelring 130
80788 München
Germany
BMW AG – Customer Relations (International)
BMW Group Customer Relations
80788 München
Germany
BMW Headquarters (Germany) — Official Address
BMW AG – Bayerische Motoren Werke Aktiengesellschaft
Petuelring 130
80788 München (Munich)
Germany
Telephone: +49 89 382‑0
Website: www.bmwgroup.com
SEAVAX
- How can a BMW i3 help the SeaVax
crew to clean plastic waste from our oceans? By reducing their fuel
bills and providing operational data when operating this
practical EV.
But
what of the Right to Repair? Did you know that BMW can lock you out of
your vehicle? We didn't, not until it happened. Is that fair or legal?
And what about consumer rights? What about their dealers charging for
what is essentially a manufactured service charge? And what about
Consumer Protections?
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