E21
E327255
E21 is the internal designation for the first generation of the BMW 3 Series compact executive car, produced in the 1970s and early 1980s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| E21 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3102721 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E21 Context triple: [BMW 3 Series, generation, E21]
-
A.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
B.
E1
E1 is a central London postcode district covering parts of areas such as Whitechapel, Stepney, and Spitalfields in the East End.
-
C.
Do 217E
The Do 217E was a major bomber variant of the German Dornier Do 217, used extensively by the Luftwaffe during World War II for medium- and long-range bombing missions.
-
D.
EZE
EZE is the IATA airport code for Ministro Pistarini International Airport, the main international gateway serving Buenos Aires, Argentina.
-
E.
EINE
EINE is an early Emacs-like text editor developed at MIT that helped pioneer features of modern extensible, customizable editors.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: E21 Target entity description: E21 is the internal designation for the first generation of the BMW 3 Series compact executive car, produced in the 1970s and early 1980s.
-
A.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
B.
E1
E1 is a central London postcode district covering parts of areas such as Whitechapel, Stepney, and Spitalfields in the East End.
-
C.
Do 217E
The Do 217E was a major bomber variant of the German Dornier Do 217, used extensively by the Luftwaffe during World War II for medium- and long-range bombing missions.
-
D.
EZE
EZE is the IATA airport code for Ministro Pistarini International Airport, the main international gateway serving Buenos Aires, Argentina.
-
E.
EINE
EINE is an early Emacs-like text editor developed at MIT that helped pioneer features of modern extensible, customizable editors.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
BMW 3 Series generation
ⓘ
BMW automobile platform ⓘ compact executive car ⓘ |
| assemblyLocation |
Munich, Germany
ⓘ
linked to:
Munich
Regensburg, Germany ⓘ
linked to:
Regensburg
|
| bodyStyle | 2-door sedan ⓘ |
| brand | BMW ⓘ |
| chassisCode | E21 ⓘ |
| class | compact executive car ⓘ |
| countryOfOrigin | Germany ⓘ |
| designer | Paul Bracq ⓘ |
| doorCount | 2 ⓘ |
| drivetrain | rear-wheel drive ⓘ |
| engineConfiguration |
inline-four petrol engine
ⓘ
inline-six petrol engine ⓘ |
| fuelType | petrol ⓘ |
| generationNumber | first generation ⓘ |
| introducedAt | 1975 Munich Motor Show ⓘ |
| layout | front-engine, rear-wheel-drive ⓘ |
| manufacturer | BMW ⓘ |
| marketPosition | replacement for BMW 2002 in BMW lineup ⓘ |
| marketSegment | entry-level luxury car ⓘ |
| notableFeature |
MacPherson strut front suspension
ⓘ
driver-oriented dashboard center console angled toward driver ⓘ semi-trailing arm rear suspension ⓘ |
| notableModel |
BMW 320i (E21)
ⓘ
linked to:
BMW E21 platform
BMW 323i (E21) ⓘ
linked to:
BMW E21 platform
|
| platform | BMW E21 platform ⓘ |
| predecessor | BMW 02 Series ⓘ |
| primaryMarkets |
Europe
ⓘ
North America ⓘ |
| productionEnd | 1983 ⓘ |
| productionStart | 1975 ⓘ |
| productionYears |
1970s
ⓘ
1980s ⓘ |
| safetyFeature |
front disc brakes
ⓘ
optional anti-lock braking system (ABS) ⓘ |
| series | BMW 3 Series ⓘ |
| successor | BMW E30 ⓘ |
| successorClass |
BMW 3 Series E30 compact executive car
ⓘ
linked to:
BMW 3 Series
|
| transmissionOption |
3-speed automatic
ⓘ
4-speed manual ⓘ 5-speed manual ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: E21 Description of subject: E21 is the internal designation for the first generation of the BMW 3 Series compact executive car, produced in the 1970s and early 1980s.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
BMW E21 platform