10 Electrical parts are listed for the 2019 BMW I3S, in 4 part types, covering the 647cc L2 ELECTRIC engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The electrical system on the 2019 BMW I3S covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Parking Aid Sensor (6 parts), Battery (2 parts) and Battery Cable (1 part). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 647cc L2 ELECTRIC — the only engine offered in the 2019 BMW I3S.
The most listed brands for 2019 BMW I3S electrical parts are MARELLI (4 parts), DEKA (2 parts) and HELLA (2 parts), plus 2 more brands.
1 part on this 2019 BMW I3S page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — DORMAN 684134 (Parking Aid Sensor). Click any part number to see every vehicle that part fits.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 9A153R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA | AUX18L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
2 Battery parts for the 2019 BMW I3S come from DEKA.
Listed part numbers: DEKA 9A153R and DEKA AUX18L.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 004471 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Battery Fuse Block Cable | View on Amazon |
This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.
One part is listed for the 2019 BMW I3S — ELRING 004471.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 684134 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| HELLA | 358141781 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorPlugged | View on Amazon |
| MARELLI | SDP056 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| MARELLI | SDP107 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearFrom 09/2017 | View on Amazon |
| MARELLI | SDP108 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Right | View on Amazon |
| MARELLI | SDP125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Right | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
6 Parking Aid Sensor parts are listed for the 2019 BMW I3S, from MARELLI, DORMAN and HELLA. DORMAN 684134 carries the "Popular" badge.
Listed part numbers: DORMAN 684134, HELLA 358141781 and MARELLI SDP056, plus the other parts above.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 011808841 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorClipped | View on Amazon |
This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
One part is listed for the 2019 BMW I3S — HELLA 011808841.
Buying Electrical Parts for a 2019 BMW I3S
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Confirm you have the 647cc L2 ELECTRIC engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Parking Aid Sensor and Battery .
Frequently Asked Questions
How many electrical parts fit the 2019 BMW I3S?
Our catalog currently lists 10 electrical parts for the 2019 BMW I3S across 4 subcategories and 5 brands, covering the 647cc L2 ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2019 BMW I3S?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 BMW I3S was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 BMW I3S?
Every part on this page is matched to the 647cc L2 ELECTRIC engine. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 BMW I3S
Electrical Parts for Other BMW I3S Years
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