2018 BMW X3 engine computer price snapshot
- Low
- $85
- Average
- $273
- High
- $650
Year-specific price guide
Used 2018 BMW X3 Engine Computer prices
Year-specific used engine computer pricing for the 2018 BMW X3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedAug 31, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2018 BMW X3 engine computer
A used 2018 BMW X3 engine computer costs between $85 and $650, with a median of $250 from 173 salvage yard listings.
What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →
Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary
A used 2018 BMW X3 engine computer costs $85 to $650, with a median asking price of $250. Based on 173 priced salvage yard listings across the US, compatible across 2016–2019 (4 model years), updated Aug 31, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$250
Grade B (good)$225
Grade C (fair)$450
USD
Condition comparison
Price by part grade
Grade AClean / low wear$103–$584115 listings
Grade BStandard used$85–$43140 listings
Grade CVisible wear$450–$4501 listings
Grade XUngraded$150–$65017 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $103–$584 | 115 | |
| Grade BStandard used | $85–$431 | 40 | |
| Grade CVisible wear | $450–$450 | 1 | |
| Grade XUngraded | $150–$650 | 17 |
Median by grade
Grade price comparison
Grade A$250
Grade B$225
Grade C$450
Ungraded$385
Median asking price by seller-reported condition grade · $85–$650 overall range
Replacement cost
What is the 2018 BMW X3 engine computer replacement cost?
- Used part
- $250
- 2018 BMW X3 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $345–$700
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Fitment matters
Price by trim & variant
Electronic Control Module, 3.0L (M40i), from 03/01/1845 listingsInterchange 2018–2019$345$105 – $650
Electronic Control Module, 2.0L (30iX), thru 02/28/1844 listingsInterchange 2017–2018$241$117 – $525
Electronic Control Module, 3.0L (M40i), thru 02/28/1841 listingsInterchange 2016–2018$290$138 – $650
Year-specific context
How does the 2018 BMW X3 compare?
The 2018 guide is based on 193 observed listings, including 173 with posted prices. Its $250 median is 11% above the BMW X3 guide's $225 median.
Among the 11 model years with current price data, 2018 ranks #9 from lowest to highest median.
Interchange data shows this part is also listed under model years 2016, 2017, 2019. Shopping across all 4 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a BMW X3 engine computer cost in other years?
202521 listings$682$135 – $9752024100 listings$291$116 – $8482023100 listings$241$63 – $9002022159 listings$230$50 – $7332021127 listings$231$70 – $7122020140 listings$238$80 – $6952019100 listingsCompatible$235$75 – $5462017152 listingsCompatible$150$49 – $7002016250 listingsCompatible$150$51 – $5902015250 listings$221$60 – $590
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Price data updating
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Common questions
2018 BMW X3 engine computer FAQ
How much is a used 2018 BMW X3 engine computer?
Based on 173 priced salvage-yard listings, a used 2018 BMW X3 engine computer lists between $85 and $650, with a median asking price of $250.
How much does it cost to replace a 2018 BMW X3 engine computer?
Using a used part, a 2018 BMW X3 engine computer replacement typically runs $345–$700 all-in: the median used engine computer for this year lists at $250, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 BMW X3 engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2018 BMW X3 engine computer also appear under model years 2016, 2017, 2019, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2018 BMW X3 ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2018 BMW X3 engine computer — median $250, from 173 listings.