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BMW N55 Water Pump & Thermostat Replacement cost

Water Pump & Thermostat Replacement on a BMW with the N55 engine typically costs $940–$1,800 at an independent shop, based on 2 real owner-reported prices.

Last updated October 20, 2026 · 2 reported prices from 2 cited sources

The electric pump that strands BMW owners without warning. These are only the prices reported for the N55. See the general Electric Water Pump + Thermostat page for every BMW model.

All N55 repair costs

Limited data: 2 reported prices from 2 sources, and no dealer or DIY price found yet. Use the general repair page for more context.

An E70 X5 and a 335i, both paid at independent shops.

Typical cost

BMW dealer

No real price found yet

Independent shop

$940 – $1,800

Median $1,370 · 2 data points

DIY (parts/tools)

No real price found yet

Ranges are the lowest and highest real prices in the table below. Estimates are shown but left out of the ranges. Shop prices include parts and labor unless noted.

Every N55 price we found

Price	Where	Details	Source
$1,800	Indy	Paid at indy: pump, t-stat and a few hoses, E70 N55	[1]
$940	Indy	Paid at indy, N55 335i, parts + 2 hrs labor (GA)	[2]

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)

Labor times, parts, notes and every price for Electric Water Pump + Thermostat on all BMWs →

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Common questions

How much does BMW N55 Water Pump & Thermostat Replacement cost?

Water Pump & Thermostat Replacement on a BMW with the N55 engine typically costs $940–$1,800 at an independent shop, based on 2 real owner-reported prices.

How much does an independent shop charge for BMW N55 Water Pump & Thermostat Replacement?

Independent shop prices for the N55 ranged $940 to $1,800 (2 data points).

Electric Water Pump + Thermostat on other engines and models

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