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B58 Valve Cover Replacement cost

B58 Valve Cover Replacement on a BMW with the B58 engine typically costs $1,500–$3,500 at an independent shop or $3,900–$5,000 at a BMW dealer, based on 5 real owner-reported prices.

Last updated October 16, 2026 · Sources: 5 owner-reported prices from 4 cited threads

Leaking plastic valve cover / gasket on the B58 inline-six. Real prices reported by owners on Reddit and BMW forums, with a link to every one.

B58G20 G30 G01 G05 F30 G22 G42

Typical cost

BMW dealer

$3,900 – $5,000

Median $3,965 · 3 data points

Independent shop

$1,500 – $3,500

Median $2,500 · 2 data points

DIY (parts/tools)

No real price found yet

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
$1,500	Indy	Mechanic quote, 2020 M340i xDrive	[1]
$3,965	Dealer	Dealer quote, 2019 X3 M40i ($1,045 parts + 10 hrs; ~$3,370 after 15% off)	[2]
$5,000	Dealer	Paid at dealer, M40i, 12 hrs labor	[2]
$3,900	Dealer	Dealer quote, X5, 13.5 hrs labor	[3]
$3,500	Indy	Shop owner's price with OE valve cover and spark plugs, 2017 540i	[4]

Big spread comes from labor hours billed (roughly 6 to 13.5 hrs in these reports). Ask for the hours and labor rate in writing.
Some B58 cars may be covered by a BMW extended warranty or campaign; check with a dealer by VIN before paying.

How long it takes

Worldpac book time quoted for a 2017 540i xDrive is 9.8 hrs; one dealer billed 10 hrs (X3 M40i), another 13.5 hrs (X5). Injectors must be reinstalled with the correct seals and 8 Nm torque sequence.

Which cars are affected

M340i (G20), 540i (G30), X3 M40i (G01), X5 xDrive40i (G05), 340i (F30) and other B58 cars. The cover is normally replaced as an assembly; injectors come out, which adds labor.

Symptoms

Burning oil smell, smoke from the exhaust side
Oil seepage at the cover edge
Oil in spark plug wells / misfires

Parts list

B58 valve cover with gasket	ECS Tuning Pelican Parts Amazon
Injector seals / Teflon rings	ECS Tuning Pelican Parts Amazon
Spark plugs (do them while it is open)	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 Valve Cover Replacement cost?

B58 Valve Cover Replacement on a BMW with the B58 engine typically costs $1,500–$3,500 at an independent shop or $3,900–$5,000 at a BMW dealer, based on 5 real owner-reported prices.

How much does B58 Valve Cover Replacement cost at a BMW dealer?

Real dealer prices we found ranged $3,900 to $5,000 (3 data points, median $3,965).

How much does an independent shop charge for B58 Valve Cover Replacement?

Independent shop prices ranged $1,500 to $3,500 (2 data points, median $2,500).

Can I do B58 Valve Cover Replacement myself?

We have not found a DIY parts cost for this job yet.

How long does B58 Valve Cover Replacement take?

Worldpac book time quoted for a 2017 540i xDrive is 9.8 hrs; one dealer billed 10 hrs (X3 M40i), another 13.5 hrs (X5). Injectors must be reinstalled with the correct seals and 8 Nm torque sequence.

Which BMWs are affected?

M340i (G20), 540i (G30), X3 M40i (G01), X5 xDrive40i (G05), 340i (F30) and other B58 cars. The cover is normally replaced as an assembly; injectors come out, which adds labor.