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Radiator Replacement (E9x) cost

Radiator Replacement (E9x) on a BMW with the N51/N52/N54 engine typically costs $230–$1,000 at an independent shop or $250–$615 in parts DIY, based on 6 real owner-reported prices.

Last updated October 16, 2026 · Sources: 6 owner-reported prices from 3 cited threads

Leaking radiator end tanks on E9x 3 Series. Real prices reported by owners on Reddit and BMW forums, with a link to every one.

N51N52N54E90 E92 E93

Limited data: Limited data: 6 prices, no dealer price yet.

Typical cost

BMW dealer

No real price found yet

Independent shop

$230 – $1,000

Median $700 · 4 data points

DIY (parts/tools)

$250 – $615

Median $433 · 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
$1,000	Indy	Local shop quote "$1000+", E93 N51	[1]
$600	Indy	Paid "around $600" at an indy	[1]
$250	DIY	Radiator, upper/lower hoses, tank hose and coolant, "right over 250"	[1]
$615	DIY	N51 SULEV radiator alone at FCP Euro	[1]
$230	Indy	Shop labor-only quote, 2009 328i (owner buying ~$153 aftermarket radiator)	[2]
$800	Indy	Shop quote, radiator + coolant hoses	[3]

N51 (SULEV) radiators can be covered by the emissions warranty. The owner in this thread got it replaced free at a dealer.

Which cars are affected

E90/E92/E93 328i and 335i. N51 (SULEV) cars need a special, pricier radiator.

Symptoms

Coolant leak at the radiator side tanks
Low coolant warning
Overheating

Parts list

E90 radiator	ECS Tuning Pelican Parts Amazon
Upper & lower radiator hoses	ECS Tuning Pelican Parts Amazon
BMW coolant (blue)	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 Radiator Replacement (E9x) cost?

Radiator Replacement (E9x) on a BMW with the N51/N52/N54 engine typically costs $230–$1,000 at an independent shop or $250–$615 in parts DIY, based on 6 real owner-reported prices.

How much does Radiator Replacement (E9x) 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 Radiator Replacement (E9x)?

Independent shop prices ranged $230 to $1,000 (4 data points, median $700).

Can I do Radiator Replacement (E9x) myself?

Owners who did it themselves reported $250 to $615 in parts and tools.

Which BMWs are affected?

E90/E92/E93 328i and 335i. N51 (SULEV) cars need a special, pricier radiator.