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B58 / B48 Oil Filter Housing (Coolant Leak) cost
Cracked plastic oil filter housing leaking coolant or oil. 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 |
|---|---|---|---|
| $4,360 | Dealer | Dealer quote, 2016 740i | [1] |
| $4,100 | Dealer | Dealer quote, OFH + heat management module (Atlanta) | [3] |
| $2,300 | Dealer | Out the door at a BMW dealer, Michigan, B58 | [3] |
| $3,900 | Dealer | Dealer quote, OEM parts, 2-yr warranty | [4] |
| $3,600 | Dealer | Paid at dealer incl. tax, 2018 330xi B48, ~12.5 hrs | [4] |
| $3,017 | Indy | Indie quote incl. heat management module, 11.2 hrs labor ($3,016.61) | [1] |
| $1,800 | Indy | Several indy quotes, 2016 340i | [2] |
| $1,500 | Indy | Lowest indy quote, same car | [2] |
| $2,300 | Indy | Paid: OFH + aux pump + hoses | [2] |
| $3,300 | Indy | Indy quote (Atlanta), OFH + thermostat | [3] |
| $3,800 | Indy | Indy quote (Atlanta) | [3] |
| $2,387 | Indy | Indy quote (Atlanta) | [3] |
| $3,700 | Indy | Indy quote (Atlanta) | [3] |
| $2,700 | Indy | Independent BMW shop quote with aluminum housing | [4] |
| $460 | DIY | OEM oil filter housing ($459.53) | [3] |
- Book time cited in these threads is about 5 hrs, but some shops billed 10–12.5 hrs.
- Many quotes add the heat management module, hoses or water pump; compare like for like.
Which cars are affected
340i, 440i, 540i, 740i, X5 40i, M240i (B58) and 330i (B48).
Symptoms
- Coolant puddle under the car
- Low coolant warning
- Coolant smell, leak at rear right of engine
- Housing cracks when removing the oil filter cap
Parts list
| B58 oil filter housing | ECS TuningPelican PartsAmazon |
| Heat management module / thermostat (B58) | ECS TuningPelican PartsAmazon |
| Intake manifold gaskets (manifold comes off) | ECS TuningPelican PartsAmazon |
| Coolant hose connector | ECS TuningPelican PartsAmazon |
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 / B48 Oil Filter Housing (Coolant Leak) cost at a BMW dealer?
Real dealer prices we found ranged $2,300 to $4,360 (5 data points, median $3,900).
How much does an independent shop charge for B58 / B48 Oil Filter Housing (Coolant Leak)?
Independent shop prices ranged $1,500 to $3,800 (9 data points, median $2,700).
Can I do B58 / B48 Oil Filter Housing (Coolant Leak) myself?
Owners who did it themselves reported $460 in parts and tools.
Which BMWs are affected?
340i, 440i, 540i, 740i, X5 40i, M240i (B58) and 330i (B48).
Related repairs
Sources
- B58 Oil Filter Housing and Heat Management Module Cost (Reddit r/BmwTech)
- 2016 340i b58 oil filter housing crisis. (Reddit r/BmwTech)
- Quoted $3,000 to replace Oil Filter Housing (Reddit r/BmwTech)
- BMW quoted $3,900 for oil filter housing coolant leak — warranty denied. Indie shop instead? (Reddit r/BmwTech)
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