Part two of the BMW Z4 E85 Water Pump Replacement DIY M54 Engine Belts & Pulleys video. In this video I finish the work started in part one. New parts and the correct belt tensioner arrive and I take the Z4 for a test drive. I'm replacing these components as preventative maintenance to avoid breakdowns and engine damage.
Also, some interesting results weighing expansion tanks from different manufacturers.

Watch part 1 here: https: https://youtu.be/JvvHZPW6Qn4
Watch full test drive here: https://youtu.be/Z_CBGIpE0Pg

This video was made by a real human. Hope you enjoy.
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This video is not sponsored. I am not a professional mechanic, as you can see. Working on my cars is my hobby.
Thank you for watching and a special thank you to all my subscribers!
This video is only for entertainment purposes. If you rely on the information shown in this video, you assume the responsibility for the results.

PARTS LIST:
BMW Accessory Belt Tensioner Assembly - INA 11281427252
BMW Radiator Drain Plug - Genuine BMW 17111437361
BMW Plastic Water Pump Pulley - Febi Bilstein 11511436590
BMW A/C Belt Tensioner - INA 11287512758
BMW Alternator Drive Belt - Continental 6PK1453
BMW A/C Belt - Continental 4PK863
BMW Drive Belt Idler Pulley - INA 11287841228
BMW Drive Belt Idler Pulley (Z4) - INA 11287509508
BMW Water Pump - Hepu P472
BMW Thermostat Assembly - Wahler 11537509227

Timestamps:
0:00 - Intro
0:27 - Cleaning and prepping radiator
1:51 - Cleaning condenser
2:12 - Installing accessory belt tensioner
3:50 - Installing lower drive belt idler pulley
4:44 - Installing upper drive belt idler pulley
5:14 - Installing water pump pulley
5:38 - Installing accessory belt
6:29 - Installing A/C belt
7:05 - Installing radiator
10:36 - Installing expansion tank
12:35 - Weighing and comparing expansion tanks
13:49 - Installing transmission cooler
14:17 - Filling cooling system
15:53 - Bleeding cooling system
18:37 - Test drive
22:23 - Final comments

#BMWDIY #BMWMaintenance #BMWZ4 #ClassicBMW #BMWRepair

Hochgeladen am 22.04.2026   Problem melden   Dieses Video bei YouTube   Classic BMWZ bei Youtube