Jonathan Yarden Jan 18, 2021 · 5 min. read
In this article you will find a description of fuses and relays BMW,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Power supply component location
| No | Location |
|---|---|
| 1 | Alternator |
| 2 | Positive battery terminal |
| 3 | Power distribution box in engine compartment |
| 4 | Electronics box in the engine compartment |
| 5 | Front fuse carrier behind the glove compartment |
| 6 | Rear fuse carrier on the right-hand side of the luggage compartment |
| 7 | Battery |
| 8 | Starter |
Fuse box in the glove compartment
| β | A |
|---|---|
| 1 | 10 |
| 2 | 5 |
| 3 | 5 |
| 4 | 5 |
| 5 | 10 |
| 7 | 30 |
| 8 | 30 |
| 9 | 30 |
| 10 | 10 |
| 11 | 7,5 |
| 12 | 5 |
| 13 | 5 |
| 14 | 15 |
| 15 | 15 |
| 16 | 40 |
| 17 | 30 |
| 18 | 30 |
| 19 | 20 |
| 20 | 20 |
| 21 | 30 |
| 22 | 30 |
| 23 | 5 |
| 24 | 10 |
| 25 | 5 |
| 26 | β |
| 27 | 5 |
| 28 | 15 |
| 29 | 7,5 |
| 31 | 5 |
| 32 | 7,5 |
| 33 | 5 |
| 34 | 5 |
| 35 | 15 |
| 36 | 30 |
| 37 | 30 |
| 38 | 40 |
| 39 | 40 |
| 40 | 30 |
| 41 | β |
| 42 | 30 |
| 43 | 5 |
| 44 | 5 |
| 46 | 5 |
| 47 | 20 |
| 48 | 5 |
| 50 | β |
| 51 | 30 |
| 52 | 30 |
| 53 | 30 |
| 54 | 20 |
| 55 | 20 |
| 56 | 5 |
| 57 | β |
| 58 | 5 |
| 59 | 10 |
| 60 | 5 |
| 61 | 20 |
| 62 | 15 |
| 63 | 10 |
| 64 | 7,5 |
| 65 | 15 |
| 66 | 7,5 |
| 67 | 10 |
Fuse box in the luggage compartment
| β | A |
|---|---|
| 100 | 20 |
| 101 | 40 |
| 103 | 20 |
| 105 | 30 |
| 107 | 5 |
| 108 | 5 |
| 109 | 10 |
| 110 | 10 |
| 111 | 20 |
| 112 | 5 |
| 113 | 5 |
| 114 | 5 |
| 115 | β |
| 116 | β |
| 117 | 5 |
| 118 | 7,5 |
| 119 | 15 |
| 120 | 5 |
| 121 | 5 |
| 122 | β |
| 123 | 5 |
| 124 | 5 |
| 125 | β |
| 126 | β |
| 127 | β |
| 128 | 10 |
| 129 | β |
| 130 | β |
| 131 | 5 |
| 132 | 5 |
| 133 | β |
| 134 | 5 |
| 135 | 5 |
| 136 | 5 |
| 137 | 5 |
| 138 | 5 |
| 139 | 5 |
| 140 | 7,5 |
| 141 | β |
| 142 | 20 |
| 143 | 10 |
| 144 | 10 |
| 145 | 20 |
| 146 | β |
| 147 | 15 |
| 148 | 20 |
| 149 | 10 |
| 150 | β |
| 151 | 10 |
| 152 | 5 |
| 153 | 5 |
| 154 | 5 |
| 155 | 15 |
| 156 | 5 |
| 167 | 5 |
| 168 | 5 |
| 169 | 5 |
| 170 | 5 |
| 171 | β |
| 172 | β |
| 173 | β |
| 174 | β |
| 175 | 10 |
| 176 | 15 |
| 177 | 20 |
| 178 | 30 |
| 179 | 30 |
| 180 | 30 |
| 181 | 30 |
| 182 | 40 |
| 183 | 40 |
| 184 | 20 |
| 158 | 30 |
| 186 | β |
| 187 | 30 |
| 188 | 30 |
| 189 | 40 |
| 190 | 30 |
| 191 | β |
| 192 | 30 |
| 191 | β |
| 194 | β |
| 195 | 30 |
| 196 | β |
| 197 | 30 |
| 198 | 30 |
| 199 | 30 |
| 200 | 40 |
| 201 | β |
| 202 | 30 |
| 203 | 30 |
| 204 | 30 |
Assignment of the fuses
| Symbol | Number |
 |
2, 35, 40, 43, 60, 180 |
 |
|
 |
1, 13, 24, 39, 43, 45, 134 |
 |
19, 100, 145, 148 |
 |
4, 8, 10, 13, 24, 25, 31, 44, 113, 118, 120, 121, 123, 124, 131, 140, 170, 200 |
 |
33, 38, 56, 103, 136, 190 |
 |
8, 32 |
 |
34, 37, 45, 107, 118 |
 |
63, 64, 38, 178 |
  |
8, 13, 16, 66, 101, 154 |
 |
10, 13, 154 |
 |
29 |
 |
58, 169 |
 |
8 |
 |
43, 46, 121, 128, 137 |
 |
8, 62 |
 |
2, 8, 14, 15, 32, 110, 114, 143, 144, 149 |
 |
7, 8, 9, 17, 18, 32 |
 |
187, 188 |
 |
27, 31, 32, 52, 53, 67, 112 |
 |
33, 198, 199 |
| OBD | 3 |
 |
121, 177, 181 |
 |
46 |
 |
8, 51, 55 |
 |
203, 204 |
 |
8 |
 |
44, 48, 142 |
 |
5, 13, 48, 58, 66 |
 |
34, 37, 45 |
 |
8, 12, 13 |
 |
8, 11, 31, 44, 156 |
 |
35, 132, 195, 202 |
 |
135, 139, 184 |
 |
20, 21, 22, 35, 42, 47, 59 |
 |
152, 182 |
 |
168 |
 |
4, 28, 105, 118, 120, 170, 189, 200 |
 |
139 |
 |
8, 36 |
 |
8, 36 |
 |
153, 155, 183 |
 |
58, 61 |
 |
23, 27, 117 |
 |
100, 109, 151 |
 |
58,61 |
 |
54, 65, 147, 176 |
Some relays are also installed here:
| β | Description |
|---|---|
| R1 | Relay 30B |
| R2 | Relay 30F |
| R3 | Relay 15N |
| R4 | Rear window heating relay |
Fuses on the battery
Located in the luggage compartment, under the lining.
Β
The distribution box on the battery is secured on the vehicle battery by means of a metal tab. The metal tabs must be pressed downward and outward in order to release the distribution box.
The distribution box on the battery is equipped with fuses for the following electric loads:
Front fuse carrier (250 A)
Rear fuse carrier (100 A)
Engine compartment distribution box (100 A)
β large electric fan (850 W or 1000 W)
Electric coolant pump (100 A)
Intelligent battery sensor IBS
WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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