2020 BMW X3 engine computer — Electronic Control Module, (LH engine compartment), 2.5L, ID 391202SMN5 price snapshot
- Low
- $75
- Average
- $196
- High
- $980

Year & trim-specific price guide
A used 2020 BMW X3 engine computer (Electronic Control Module, (LH engine compartment), 2.5L, ID 391202SMN5) costs $75 to $980, with a median asking price of $185. Based on 46 priced salvage yard listings across the US, updated Aug 28, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$980 | 34 | |
| Grade BStandard used | $100–$325 | 12 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $75–$980 overall range
Trim-specific context
This pricing covers the Electronic Control Module, (LH engine compartment), 2.5L, ID 391202SMN5 variant of the 2020 BMW X3 engine computer, based on 46 priced listings. Its $185 median is 3% below the 2020 BMW X3 engine computer overall median of $190.
There are 11 other engine computer variants available for the 2020 BMW X3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 46 priced salvage-yard listings, a used 2020 BMW X3 engine computer in the Electronic Control Module, (LH engine compartment), 2.5L, ID 391202SMN5 variant lists between $75 and $980, with a median asking price of $185.
In our current dataset, the Electronic Control Module, (LH engine compartment), 2.5L, ID 391202SMN5 variant appears only for the 2020 model year.