EVC Research & Development

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Category: FIAT

We need this BMS to save customer €14,000!

By Strom Trooper

Did you know that if the BMS fails on a Fiat 500e, you have to discard 500 kg of perfectly healthy lithium and buy a whole new battery pack for €14,000? That’s because the OEM doesn’t sell the BMS separately — a practical example of how manufacturers make EVs unsustainable, almost deliberately. Part numbers we…

Fiat 500e, 2020 model – electric motor failure due to coolant intrusion.

By Strom Trooper

First reaction: “Is that even possible?”, second: “Let’s open it up.” PMSM motor with a stator design in the housing cover sleeve that somewhat resembles the BMW i3. The stator uses a hairpin winding design. The disassembly was carried out for root cause analysis, documentation, and the development of a repair manual and the EVC…

Fiat 500e battery defect- Potential warranty abuse

By Strom Trooper

EV Ownership and Challenges in Europe: A Call for Consumer Advocacy Electric vehicles (EVs) have been touted as the future of transportation, offering low operating costs, minimal maintenance, and environmental benefits. Many EV owners proudly share their experiences with friends and family. However, some challenges arise when owners encounter warranty disputes or service issues, exposing…

Fiat 500e USA – Onboard charger Failure 05185004AH

By Strom Trooper

Failure of the OBC integrated module responsible for charging the battery in an EV. There are no used ones available, and even new ones are unavailable. If a used one were available, it used to cost around €3500-5000 (according to Google), and a new one likely costs even more. This situation puts the responsibility of…

Fiat 500e – Automotive EV precedent

By Strom Trooper

Fiat 500e 2014 USA Import Nevjerovatno ali moguće, da Fiat bolje napravi EV od prdilice, nadmaši premium svabske rivale i da još ni fleke ulja nema ispod nje. Kad Bosch zasuče rukave i u najranijoj fazi razvoja električnih vozila davne 2012 implementiraju najbolja moguća riješenja u baterijski pogonski sustav. Impresionirani smo. Riješenja kojih se i…

Fiat e500 2022 42kWh battery

By Strom Trooper

Deep dive into tech of NEW Fiat e500 2022 Samsung SDI LFP salvage battery, fully funtcional, with tricore based BMS as usual for Stellantis platform. Interesting method of cooling the pack thru bottom part of battery casing (no coolant inside pack), something similar seen on Mercedes and Renault EVs. Same contactors and HV connections used…