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Electric Water Pump + Thermostat cost
The electric pump that strands BMW owners without warning. Real prices reported by owners on Reddit and BMW forums, with a link to every one.
Typical cost
Ranges are the lowest and highest prices in the table below. They are not estimates. Shop prices include parts and labor unless noted.
Every price we found
| Price | Where | Details | Source |
|---|---|---|---|
| $3,199 | Dealer | BMW dealer quote, 2008 E90 | [2] |
| $4,400 | Dealer | Dealer quote, 2014 X3 (engine not stated), 8.5 hrs at $265/hr | [3] |
| $1,200 | Indy | Mechanic quote with genuine BMW parts, 3 hrs at $125/hr | [1] |
| $1,800 | Indy | Paid at indy: pump, t-stat and a few hoses, E70 N55 | [1] |
| $2,035 | Indy | Shop quote incl. hoses and bolts, 2007 E93 | [2] |
| $940 | Indy | Paid at indy, N55 335i, parts + 2 hrs labor (GA) | [2] |
| $1,000 | Indy | N52: ~$500 FCP kit + hoses, $500 indy install (SoCal, 2020) | [2] |
| $600–$800 | DIY | Parts, E90 325xi (N52); owner calls it "a huge PITA" | [1] |
- Commenters advise replacing the thermostat at the same time since it is the same drain and access.
- Ask whether the quote double-counts labor for pump and thermostat; one commenter suspects that inflates some quotes.
Which cars are affected
328i/335i/535i, X3/X5 (N52/N54/N55). Pump and thermostat are usually replaced together.
Symptoms
- Engine overheating warning / reduced power
- Electric fan running at full speed
- Coolant temperature climbing in traffic
- Pump fault codes (e.g. 2E81-2E85 on N5x)
Parts list
| Electric water pump (Pierburg / Continental) | ECS TuningPelican PartsAmazon |
| Thermostat (Mahle / Behr) | ECS TuningPelican PartsAmazon |
| Water pump bolts (aluminum, single-use) | ECS TuningPelican PartsAmazon |
| BMW coolant (blue) | ECS TuningPelican PartsAmazon |
Check fitment for your exact car (VIN) before ordering. Links may become affiliate links in the future.
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Your price helps the next owner judge a quote. We check every submission before adding it.
Common questions
How much does Electric Water Pump + Thermostat cost at a BMW dealer?
Real dealer prices we found ranged $3,199 to $4,400 (2 data points, median $3,800).
How much does an independent shop charge for Electric Water Pump + Thermostat?
Independent shop prices ranged $940 to $2,035 (5 data points, median $1,200).
Can I do Electric Water Pump + Thermostat myself?
Owners who did it themselves reported $600 to $800 in parts and tools.
Which BMWs are affected?
328i/335i/535i, X3/X5 (N52/N54/N55). Pump and thermostat are usually replaced together.
Related repairs
Sources
- Mechanic quoted me $1200 for waterpump and thermostat change. Is this reasonable? (Reddit r/BmwTech)
- $2,035 for a waterpump/thermostat replacement?? (Reddit r/E90)
- $4400 for a water pump? (Reddit r/BmwTech)
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