BMW 3 G20 and G21 (2019-2023) – Fuse Box Diagrams

BMW 3 G20 and G21 (2019-2023) – fuse box diagram

Year of production: 2019, 2020, 2021, 2022, 2023.

Cigarette lighter fuses (power socket) on the BMW 3 G20 and G21 are fuses F46 and F273 in the instrument panel fuse box.

Fuse box legend

Fuse boxes in BMW 3G20 and G21 are located in the cargo area and in the passenger compartment. Fuse numbers related to the fuse meaning.

At the bottom of the post you will find a description of the symbols!

Diagram of the G20 / G21 fuse box 1

Number	Amperes [A]
200
201
202
203	7.5
204	5
205
206	5
207
208	5
209	5
210	5
211
212	15
213
214	5
215	5
216	5
217	40
218	twenty
219
220	thirty
221
222
223
224
225	thirty
226	40
227	thirty
228
229
230	thirty
231	thirty
232	40
233
234
235
236
237
238
239
240	twenty
241
242
243
244	5
245
246
247	10
248
249
250	5
251
252	5
253
254	5
255	5
256	7.5
257	5
258	5
259	15
260	5
261
262	5
263
264	10
265	thirty
266	twenty
267
268	40
269	thirty
270
271	thirty
272
273	twenty
274
275
276
277
278	5
279
280
281	twenty
282
283
284	twenty
285
286
287
288
289	twenty
290
291	thirty
292
293
294
295
296	twenty

Diagram of the G20 / G21 fuse box 2

Number	Amperes
101
102	7.5
103
104
105
106
107	10
108	15
109
110
111
112
113	5
114
115
116
117	thirty
118	5
119
120
121
122
123
124
125
126
127
128
129
130
131

Diagram of the G20 / G21 fuse box 3

Fuse number	Amperes
1	5
2	7.5
3	7.5
4	5
5	twenty
6	twenty

G20 / G21 fuse box diagram 4

Fuse number	Amperes
twenty	thirty
21	thirty
22	thirty
23	thirty
24	thirty
25	twenty
26	twenty
27
28	40
29	twenty
thirty	5
31	15
32	5
33	5
34	5
35	5
36	5
37	5
38	5
39	60
40	40
41	50
46	twenty
47
48	twenty
49	10
50	thirty
51	thirty
52	twenty
53	thirty
54	twenty
55	thirty
56	thirty
57	10
59	5
60	4
61	5
62	5
63	5
64	5
65	5
66	5
67	5
68	5
69	5
70	5
71	5
72	7.5
73	5
74	10
75	10
76	5