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B58 Water Pump (Coolant Pump) cost

B58 Water Pump (Coolant Pump) on a BMW with the B58 engine typically costs $1,200–$2,300 at an independent shop or $178–$224 in parts DIY, based on 4 real owner-reported prices.

Last updated October 16, 2026 · Sources: 4 owner-reported prices from 3 cited threads

Mechanical coolant pump and support on the 3.0L B58 six. Real prices reported by owners on Reddit and BMW forums, with a link to every one.

B58F30 F32 G20 G30 G01 G05 G22 G42

Limited data: Two real figures from one thread plus a RepairPal estimate. Scope (pump only vs pump + support) drives the price.

Typical cost

BMW dealer

No real price found yet

Independent shop

$1,200 – $2,300

Median $1,750 · 2 data points

DIY (parts/tools)

$178 – $224

Median $201 · 2 data points

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
$1,200	Indy	Shop's initial quote, pump only, 2016 340i	[1]
$2,300	Indy	Revised quote after shop found early B58 needs pump + support	[1]
$224	DIY	Genuine coolant pump with support, discounted online price ($223.83)	[2]
$178	DIY	Genuine coolant pump only, discounted online price ($178.36)	[2]
$1,106–$1,369	Indy	Estimate RepairPal estimate, M340i	[3]

Ask up front whether your build date needs the pump support too; that is what turned a $1,200 quote into $2,300 in the source thread.

How long it takes

A dealer tech in the source thread cites BMW customer-pay time of 2.5 hrs for the pump only and 4.9 hrs for pump with support.

Which cars are affected

340i/440i (F3x), M340i (G20), 540i (G30), X3 M40i (G01), X5 xDrive40i (G05), M240i (G42) and other B58 cars. Early-production B58s may need the pump support/housing replaced with the pump due to a design change.

Symptoms

Coolant leak / low coolant warning
Coolant smell or crust near the front of the engine
Overheating warning

Parts list

B58 coolant pump with support	ECS Tuning Pelican Parts Amazon
Coolant pump gaskets / O-rings	ECS Tuning Pelican Parts Amazon
BMW coolant	ECS Tuning Pelican Parts Amazon

Check fitment for your exact car (VIN) before ordering. Links may become affiliate links in the future.

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Common questions

How much does B58 Water Pump (Coolant Pump) cost?

B58 Water Pump (Coolant Pump) on a BMW with the B58 engine typically costs $1,200–$2,300 at an independent shop or $178–$224 in parts DIY, based on 4 real owner-reported prices.

How much does B58 Water Pump (Coolant Pump) cost at a BMW dealer?

We have not found a real dealer price for this job yet.

How much does an independent shop charge for B58 Water Pump (Coolant Pump)?

Independent shop prices ranged $1,200 to $2,300 (2 data points, median $1,750).

Can I do B58 Water Pump (Coolant Pump) myself?

Owners who did it themselves reported $178 to $224 in parts and tools.

How long does B58 Water Pump (Coolant Pump) take?

A dealer tech in the source thread cites BMW customer-pay time of 2.5 hrs for the pump only and 4.9 hrs for pump with support.

Which BMWs are affected?