BMW S85 engine: specs and known issues
The BMW S85 is a naturally aspirated V10 petrol engine with a 5.0-liter displacement, produced 2005–2010, per Wikipedia. We do not have repair prices for it yet.
Specs and history from Wikipedia (revisions listed below)
S85 at a glance
| Production | 2005–2010 | [1] |
|---|---|---|
| Configuration | 90° V10 | [1] |
| Displacement | 4999 cc (305.1 cu in) | [1] |
| Fuel type | Petrol | [1] |
| Valvetrain | DOHC w/ VVT | [1] |
| Block | Aluminium | [1] |
| Cylinder head | Aluminium | [1] |
| Bore × stroke | 92 mm (3.62 in) × 75.2 mm (2.96 in) | [1] |
Cars with the S85
Cars and chassis codes named in Wikipedia's article on this engine. It can include related or successor models, so treat it as a lead and check your exact car. Open a linked model to see its repair costs.
Model pages for the S85
Chassis pages whose cars, per Wikipedia, used this engine.
Known issues
From the engine's Wikipedia article, section named in each item. Links are the references attached to those sentences (archived copies where the original page is gone); where none is shown, the Wikipedia section is the source.
A well-known problem with the S85 is premature rod bearing wear, which can occur around 80,000 km or roughly 50,000 miles. The root cause is attributed to the engine’s high-revving nature, tight tolerances and a lack of clearance between the rod bearings and the rod journals.
Source: Wikipedia: BMW S85 (section "Reliability")
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Common questions
When was the BMW S85 engine produced?
2005–2010, per Wikipedia.
Sources
- Wikipedia: BMW S85 (revision 1366874281, read 2026-10-23)
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