BMW iX xDrive40 charging curve & performance
MY2022, MY2023, MY2024
Last modified: Jul 18, 2026
Below is the charging curve for BMW iX 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
148 kW
Battery Capacity
76.6 kWh
Architecture
330 V
76.6 kWh — 76.6 kWh
Charging Performance
Average charging speed 0 - 100%
69.4 kW
Average charging speed 10-100%
66.2 kW
Average charging speed 10-80%
86.7 kW
Advanced Metrics
Max C-Rate
1.95 C
Average C-Rate
1.20 C
Optimum charging area
1% – 42%
Time Analysis
Range Analysis
Key Insights
Optimum charging speed included 5 minutes loss
93.3 kW
Optimum charge stop time
18m 43s
Charging time 10-80%
34 m 22 s
Charging Speed Analysis
| SOC Range | Charger output (kW) | Total Time | Energy Added |
|---|---|---|---|
| 0-100% | 69.4 kW | 1 h 1 m 25 s | 71.0 kWh |
| 10-100% | 66.2 kW | 57 m 56 s | 63.9 kWh |
| 10-80% | 86.7 kW | 34 m 22 s | 49.7 kWh |
Range Added Per Minute by Driving Cycle
| SOC Range | EPA | WLTP | 70 mph | 120 km/h |
|---|---|---|---|---|
| 0-100% | ? | 6.9 km (4.3 mi) | 5.9 km (3.7 mi) | 5.1 km (3.2 mi) |
| 10-100% | ? | 6.6 km (4.1 mi) | 5.7 km (3.5 mi) | 4.9 km (3.0 mi) |
| 10-80% | ? | 8.7 km (5.4 mi) | 7.4 km (4.6 mi) | 6.4 km (4.0 mi) |
Charging Curve Data (0–100% SOC)
| SOC | Charger output | Total time from 0% | Energy into battery |
|---|---|---|---|
|
0 |
50 kW | 00:00:00 | 0 kWh |
|
1 |
100 kW | 00:00:35 | 0.7 kWh |
|
2 |
140 kW | 00:00:58 | 1.4 kWh |
|
3 |
142 kW | 00:01:17 | 2.1 kWh |
|
4 |
142 kW | 00:01:36 | 2.8 kWh |
|
5 |
143 kW | 00:01:55 | 3.6 kWh |
|
6 |
143 kW | 00:02:14 | 4.3 kWh |
|
7 |
143 kW | 00:02:32 | 5.0 kWh |
|
8 |
143 kW | 00:02:51 | 5.7 kWh |
|
9 |
144 kW | 00:03:10 | 6.4 kWh |
|
10 |
144 kW | 00:03:29 | 7.1 kWh |
|
11 |
145 kW | 00:03:47 | 7.8 kWh |
|
12 |
145 kW | 00:04:06 | 8.5 kWh |
|
13 |
145 kW | 00:04:24 | 9.2 kWh |
|
14 |
145 kW | 00:04:43 | 9.9 kWh |
|
15 |
149 kW | 00:05:01 | 10.6 kWh |
|
16 |
148 kW | 00:05:19 | 11.4 kWh |
|
17 |
148 kW | 00:05:37 | 12.1 kWh |
|
18 |
149 kW | 00:05:56 | 12.8 kWh |
|
19 |
148 kW | 00:06:14 | 13.5 kWh |
|
20 |
138 kW | 00:06:33 | 14.2 kWh |
|
21 |
139 kW | 00:06:52 | 14.9 kWh |
|
22 |
138 kW | 00:07:11 | 15.6 kWh |
|
23 |
139 kW | 00:07:31 | 16.3 kWh |
|
24 |
140 kW | 00:07:50 | 17.0 kWh |
|
25 |
139 kW | 00:08:09 | 17.8 kWh |
|
26 |
140 kW | 00:08:29 | 18.5 kWh |
|
27 |
140 kW | 00:08:48 | 19.2 kWh |
|
28 |
140 kW | 00:09:07 | 19.9 kWh |
|
29 |
140 kW | 00:09:26 | 20.6 kWh |
|
30 |
119 kW | 00:09:47 | 21.3 kWh |
|
31 |
119 kW | 00:10:10 | 22.0 kWh |
|
32 |
119 kW | 00:10:32 | 22.7 kWh |
|
33 |
120 kW | 00:10:55 | 23.4 kWh |
|
34 |
120 kW | 00:11:17 | 24.1 kWh |
|
35 |
120 kW | 00:11:40 | 24.8 kWh |
|
36 |
120 kW | 00:12:02 | 25.6 kWh |
|
37 |
121 kW | 00:12:24 | 26.3 kWh |
|
38 |
121 kW | 00:12:47 | 27.0 kWh |
|
39 |
121 kW | 00:13:09 | 27.7 kWh |
|
40 |
121 kW | 00:13:31 | 28.4 kWh |
|
41 |
121 kW | 00:13:53 | 29.1 kWh |
|
42 |
93 kW | 00:14:19 | 29.8 kWh |
|
43 |
93 kW | 00:14:47 | 30.5 kWh |
|
44 |
93 kW | 00:15:16 | 31.2 kWh |
|
45 |
93 kW | 00:15:45 | 32.0 kWh |
|
46 |
93 kW | 00:16:14 | 32.7 kWh |
|
47 |
94 kW | 00:16:43 | 33.4 kWh |
|
48 |
94 kW | 00:17:12 | 34.1 kWh |
|
49 |
94 kW | 00:17:40 | 34.8 kWh |
|
50 |
94 kW | 00:18:09 | 35.5 kWh |
|
51 |
94 kW | 00:18:37 | 36.2 kWh |
|
52 |
73 kW | 00:19:10 | 36.9 kWh |
|
53 |
71 kW | 00:19:47 | 37.6 kWh |
|
54 |
72 kW | 00:20:25 | 38.3 kWh |
|
55 |
72 kW | 00:21:02 | 39.0 kWh |
|
56 |
72 kW | 00:21:39 | 39.8 kWh |
|
57 |
72 kW | 00:22:17 | 40.5 kWh |
|
58 |
72 kW | 00:22:54 | 41.2 kWh |
|
59 |
72 kW | 00:23:32 | 41.9 kWh |
|
60 |
73 kW | 00:24:09 | 42.6 kWh |
|
61 |
73 kW | 00:24:46 | 43.3 kWh |
|
62 |
73 kW | 00:25:22 | 44.0 kWh |
|
63 |
73 kW | 00:25:59 | 44.7 kWh |
|
64 |
73 kW | 00:26:36 | 45.4 kWh |
|
65 |
73 kW | 00:27:13 | 46.2 kWh |
|
66 |
73 kW | 00:27:50 | 46.9 kWh |
|
67 |
73 kW | 00:28:27 | 47.6 kWh |
|
68 |
74 kW | 00:29:03 | 48.3 kWh |
|
69 |
74 kW | 00:29:40 | 49.0 kWh |
|
70 |
74 kW | 00:30:16 | 49.7 kWh |
|
71 |
74 kW | 00:30:52 | 50.4 kWh |
|
72 |
74 kW | 00:31:29 | 51.1 kWh |
|
73 |
76 kW | 00:32:05 | 51.8 kWh |
|
74 |
76 kW | 00:32:40 | 52.5 kWh |
|
75 |
76 kW | 00:33:15 | 53.2 kWh |
|
76 |
58 kW | 00:33:56 | 54.0 kWh |
|
77 |
45 kW | 00:34:48 | 54.7 kWh |
|
78 |
45 kW | 00:35:48 | 55.4 kWh |
|
79 |
43 kW | 00:36:49 | 56.1 kWh |
|
80 |
43 kW | 00:37:51 | 56.8 kWh |
|
81 |
43 kW | 00:38:54 | 57.5 kWh |
|
82 |
44 kW | 00:39:56 | 58.2 kWh |
|
83 |
43 kW | 00:40:58 | 58.9 kWh |
|
84 |
43 kW | 00:42:00 | 59.6 kWh |
|
85 |
44 kW | 00:43:02 | 60.4 kWh |
|
86 |
44 kW | 00:44:03 | 61.1 kWh |
|
87 |
44 kW | 00:45:04 | 61.8 kWh |
|
88 |
44 kW | 00:46:05 | 62.5 kWh |
|
89 |
44 kW | 00:47:07 | 63.2 kWh |
|
90 |
44 kW | 00:48:08 | 63.9 kWh |
|
91 |
44 kW | 00:49:09 | 64.6 kWh |
|
92 |
44 kW | 00:50:10 | 65.3 kWh |
|
93 |
44 kW | 00:51:11 | 66.0 kWh |
|
94 |
44 kW | 00:52:12 | 66.7 kWh |
|
95 |
44 kW | 00:53:13 | 67.4 kWh |
|
96 |
38 kW | 00:54:19 | 68.2 kWh |
|
97 |
31 kW | 00:55:37 | 68.9 kWh |
|
98 |
25 kW | 00:57:13 | 69.6 kWh |
|
99 |
22 kW | 00:59:09 | 70.3 kWh |
|
100 |
18 kW | 01:01:25 | 71.0 kWh |
Charger output is the power the charging station delivers. Energy into battery is what actually arrives: around 5% is lost to heat and conversion along the way, and charging times are calculated from that reduced figure. Dividing energy by time therefore gives a value roughly 5% below the charger output column. The 5% is an estimate — real loss varies with temperature, state of charge and the charger used. Read more about charging loss
More information
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