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How to change water pump on BMW Z3 Roadster (E36) – replacement guide
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Recommended replacement interval for the part category Water Pump + Timing Belt Kit : 70000 km
Important!
This replacement procedure can be used for:
BMW Z3 Roadster (E36) 2.8i … View more
The steps may slightly vary depending on the car design.
BMW Z3 Roadster (E36) 2.8i … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Water Pump + Timing Belt Kit for Z3 Roadster (E36) and other BMW models
Alternative products

Wire brush
All-purpose cleaning spray
Sealant
Torque wrench
Drive socket # 7
Drive socket # 10
Drive socket # 13
Drive socket # 16
Ratchet wrench
Clip removal tool
Seal scraper
Flat screwdriver
Funnel
Fluid container
Fender cover
Replacement: water pump – BMW Z3 (E36). Tip from AUTODOC:
- Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
- Check the coolant condition and replace it if necessary.
- Inspect the thermostat and the thermostat housing. Replace if necessary.
- Please note: all work on the car – BMW Z3 (E36) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Remove the fasteners of the air duct housing. Use a clip removal tool.Step 4
Remove the air distribution housing assembly. - Step 5
Unscrew the coolant reservoir cap. - Step 6
Prepare a container for fluids. - Step 7
Open the coolant drain tap. - Step 8
Drain the coolant from the engine.Replacement: water pump – BMW Z3 (E36). Tip from AUTODOC:Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.Please note: all work on the car – BMW Z3 (E36) – should be done with the engine switched off.Wait until the coolant has completely flowed out of the drain hole. - Step 9
Close the coolant drain tap. - Step 10
Loosen the clamps of the coolant hoses. Use a drive socket #7. Use a ratchet wrench. - Step 11
Detach the coolant hose. - Step 12
Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench. - Step 13
Detach the coolant hose. - Step 14
Detach the coolant pipe bracket. Use a drive socket #13. Use a ratchet wrench. - Step 15
Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench. - Step 16
Clean the thermostat housing fasteners. Use all-purpose cleaning spray. - Step 17
Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench. - Step 18
Remove the thermostat housing.AUTODOC recommends:Replacement: water pump – BMW Z3 (E36). To avoid damaging the part when removing it, do not use excessive force.Caution! Coolant may leak out of the coolant lines and thermostat housing. - Step 19
Unscrew the water pump pulley fastener. Use a drive socket #10. Use a ratchet wrench. - Step 20
Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench. - Step 21
Remove the V-ribbed belt.Replacement: water pump – BMW Z3 (E36). AUTODOC experts recommend:Check the condition of the tensioner pulley and idler pulley. Replace them if necessary. - Step 22Return the tensioner pulley to its initial position.Step 23
Remove the water pump pulley. - Step 24
Clean the water pump mounting seat. Use a wire brush. Use all-purpose cleaning spray. - Step 25
Unscrew the water pump fasteners. Use a drive socket #10. Use a ratchet wrench. - Step 26
Remove the water pump.Replacement: water pump – BMW Z3 (E36). Tip:Caution! Coolant may come out from the water pump channels and body. - Step 27
Clean the water pump mounting seat. Use a seal scraper. Use all-purpose cleaning spray. - Step 28
Treat the water pump mounting seat. Use a sealant. - Step 29
Install the new water pump. - Step 30
Tighten the water pump fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 9 nm torque. - Step 31
Install the water pump pulley. - Step 32
Screw in the fasteners of the water pump pulley. Use a drive socket #10. Use a ratchet wrench. - Step 33
Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench. - Step 34
Install the V-ribbed belt.Replacement: water pump – BMW Z3 (E36). AUTODOC recommends:Make sure that the V-ribbed belt fits all pulleys snugly.
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