Detailed DIY guide on diagnosing a coolant leak and replacing the radiator on my 2001 E46 316ti BMW with N42 engine and an automatic transmission. Filling and venting the the cooling system included. Mix BMW approved coolant concentrate with distillated water only!
0:00 Intro
0:25 Missing coolant and symptoms
1:02 Removing intake cowling, engine cover and airbox
3:02 Finding and inspecting the coolant leak
4:26 Draining the coolant
4:50 Removing the fan cowling
7:50 Disconnecting the hoses and coolant level sensor
10:00 Removing the expansion tank
10:41 Removing automatic transmission fluid cooler
11:11 Removing the radiator
11:53 Relocating mounting plate to the new radiator
13:28 Automatic transmission thermostat replacement
15:40 Installing new radiator
17:55 Installing expansion tank
19:19 Installing automatic transmission fluid cooler
19:53 Installing fan cowling
21:02 Installing airbox
21:25 Filling the system with coolant
23:33 Venting air from the cooling system
24:45 Installing engine cover and intake cowling
26:22 Outro
PARTS:
- Radiator: 17119071517 (manual or automatic transmission)
- Expansion tank: 17117573781
- Thermostat: 17111437362 (automatic transmission only)
DISCLAIMER:
BimmerZen assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. BimmerZen recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of BimmerZen , no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not BimmerZen.
