BMW i4 xDrive40 charging curve & performance

2024, 2025, 2026

Last modified: Jun 23, 2026

Below is the charging curve for BMW i4 xDrive40, illustrating the charging speed at various battery levels. Additionally, graphs for range and time provide comprehensive details on charging performance.

Charging Highlights

Peak DC Speed

205 kW

Battery Capacity

83.9 kWh

Architecture

399 V

83.9 kWh — 83.9 kWh

Estimated Data

The charging curve for this model is derived from manufacturer data and insights into the charging performance of similar battery packs.

Charging curve chart for BMW i4 xDrive40 battery configuration 0

Download charging curve as svg

Charging Performance

Average charging speed 0 - 100% 72.0 kW

Average charging speed 10-100% 68.0 kW

Average charging speed 10-80% 113.7 kW

Advanced Metrics

Max C-Rate 2.48C

Average C-Rate 1.44C

Optimum charging area 1% – 50%

Time Analysis

Download

Range Analysis

Download

Key Insights

Optimum charging speed included 5 minutes loss

116.6 kW

Optimum charge stop time

20m 21s

Charging time 10-80%

29 m 48 s

Charging Speed Analysis

SOC Range	Speed (kW)	Total Time	Energy Added
0-100%	72.0 kW	1 h 7 m 16 s	80.7 kWh
10-100%	68.0 kW	1 h 4 m 7 s	72.6 kWh
10-80%	113.7 kW	29 m 48 s	56.5 kWh

Range Added Per Minute by Driving Cycle

SOC Range	EPA	WLTP	70 mph	120 km/h
0-100%	11.8 km (7.3 mi)	6.6 km (4.1 mi)	?	?
10-100%	11.1 km (6.9 mi)	6.2 km (3.9 mi)	?	?
10-80%	18.6 km (11.6 mi)	10.4 km (6.5 mi)	?	?

Charging Curve Data (0–100% SOC)

SOC	Speed	Time	Energy charged
0%	100 kW	00:00:00	0 kWh
1%	119 kW	00:00:28	0.8 kWh
2%	138 kW	00:00:52	1.6 kWh
3%	157 kW	00:01:14	2.4 kWh
4%	176 kW	00:01:32	3.2 kWh
5%	195 kW	00:01:49	4.0 kWh
6%	197 kW	00:02:05	4.8 kWh
7%	197 kW	00:02:21	5.6 kWh
8%	198 kW	00:02:37	6.5 kWh
9%	199 kW	00:02:52	7.3 kWh
10%	200 kW	00:03:08	8.1 kWh
11%	201 kW	00:03:24	8.9 kWh
12%	201 kW	00:03:39	9.7 kWh
13%	202 kW	00:03:55	10.5 kWh
14%	203 kW	00:04:10	11.3 kWh
15%	205 kW	00:04:25	12.1 kWh
16%	205 kW	00:04:41	12.9 kWh
17%	206 kW	00:04:56	13.7 kWh
18%	208 kW	00:05:11	14.5 kWh
19%	197 kW	00:05:26	15.3 kWh
20%	197 kW	00:05:42	16.1 kWh
21%	181 kW	00:05:59	16.9 kWh
22%	181 kW	00:06:16	17.8 kWh
23%	182 kW	00:06:33	18.6 kWh
24%	182 kW	00:06:50	19.4 kWh
25%	183 kW	00:07:08	20.2 kWh
26%	174 kW	00:07:25	21.0 kWh
27%	175 kW	00:07:43	21.8 kWh
28%	175 kW	00:08:01	22.6 kWh
29%	168 kW	00:08:19	23.4 kWh
30%	168 kW	00:08:38	24.2 kWh
31%	168 kW	00:08:56	25.0 kWh
32%	158 kW	00:09:15	25.8 kWh
33%	162 kW	00:09:35	26.6 kWh
34%	162 kW	00:09:54	27.4 kWh
35%	163 kW	00:10:13	28.2 kWh
36%	158 kW	00:10:33	29.1 kWh
37%	158 kW	00:10:53	29.9 kWh
38%	158 kW	00:11:12	30.7 kWh
39%	144 kW	00:11:33	31.5 kWh
40%	144 kW	00:11:55	32.3 kWh
41%	144 kW	00:12:17	33.1 kWh
42%	144 kW	00:12:38	33.9 kWh
43%	144 kW	00:13:00	34.7 kWh
44%	144 kW	00:13:22	35.5 kWh
45%	125 kW	00:13:45	36.3 kWh
46%	125 kW	00:14:10	37.1 kWh
47%	126 kW	00:14:35	37.9 kWh
48%	126 kW	00:15:00	38.7 kWh
49%	126 kW	00:15:24	39.5 kWh
50%	126 kW	00:15:49	40.4 kWh
51%	115 kW	00:16:15	41.2 kWh
52%	115 kW	00:16:42	42.0 kWh
53%	115 kW	00:17:09	42.8 kWh
54%	116 kW	00:17:36	43.6 kWh
55%	105 kW	00:18:05	44.4 kWh
56%	105 kW	00:18:34	45.2 kWh
57%	105 kW	00:19:04	46.0 kWh
58%	100 kW	00:19:35	46.8 kWh
59%	102 kW	00:20:06	47.6 kWh
60%	102 kW	00:20:36	48.4 kWh
61%	96 kW	00:21:08	49.2 kWh
62%	97 kW	00:21:40	50.0 kWh
63%	94 kW	00:22:13	50.8 kWh
64%	93 kW	00:22:46	51.6 kWh
65%	91 kW	00:23:20	52.5 kWh
66%	92 kW	00:23:54	53.3 kWh
67%	89 kW	00:24:29	54.1 kWh
68%	90 kW	00:25:04	54.9 kWh
69%	88 kW	00:25:39	55.7 kWh
70%	87 kW	00:26:15	56.5 kWh
71%	87 kW	00:26:50	57.3 kWh
72%	84 kW	00:27:27	58.1 kWh
73%	84 kW	00:28:04	58.9 kWh
74%	84 kW	00:28:41	59.7 kWh
75%	79 kW	00:29:20	60.5 kWh
76%	77 kW	00:30:00	61.3 kWh
77%	70 kW	00:30:42	62.1 kWh
78%	70 kW	00:31:27	62.9 kWh
79%	71 kW	00:32:11	63.8 kWh
80%	67 kW	00:32:56	64.6 kWh
81%	59 kW	00:33:46	65.4 kWh
82%	59 kW	00:34:39	66.2 kWh
83%	59 kW	00:35:32	67.0 kWh
84%	59 kW	00:36:25	67.8 kWh
85%	59 kW	00:37:18	68.6 kWh
86%	59 kW	00:38:11	69.4 kWh
87%	59 kW	00:39:04	70.2 kWh
88%	52 kW	00:40:00	71.0 kWh
89%	52 kW	00:41:00	71.8 kWh
90%	52 kW	00:42:00	72.6 kWh
91%	50 kW	00:43:01	73.4 kWh
92%	48 kW	00:44:05	74.2 kWh
93%	45 kW	00:45:12	75.1 kWh
94%	44 kW	00:46:23	75.9 kWh
95%	43 kW	00:47:34	76.7 kWh
96%	32 kW	00:48:57	77.5 kWh
97%	22 kW	00:50:52	78.3 kWh
98%	12 kW	00:53:58	79.1 kWh
99%	1 kW	01:02:18	79.9 kWh
100%	20 kW	01:07:16	80.7 kWh

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