2021 BMW 330i engine computer price snapshot
- Low
- $70
- Average
- $231
- High
- $495
Year-specific price guide
Used 2021 BMW 330i Engine Computer prices
Year-specific used engine computer pricing for the 2021 BMW 330i, 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 updatedOct 12, 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 2021 BMW 330i engine computer
A used 2021 BMW 330i engine computer costs between $70 and $495, with a median of $241 from 156 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 2021 BMW 330i engine computer costs $70 to $495, with a median asking price of $241. Based on 156 priced salvage yard listings across the US, compatible across 2019–2024 (6 model years), updated Oct 12, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$245
Grade B (good)$236
USD
Condition comparison
Price by part grade
Grade AClean / low wear$70–$495108 listings
Grade BStandard used$70–$33636 listings
Grade XUngraded$120–$40012 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $70–$495 | 108 | |
| Grade BStandard used | $70–$336 | 36 | |
| Grade XUngraded | $120–$400 | 12 |
Median by grade
Grade price comparison
Grade A$245
Grade B$236
Ungraded$200
Median asking price by seller-reported condition grade · $70–$495 overall range
Replacement cost
What is the 2021 BMW 330i engine computer replacement cost?
- Used part
- $241
- 2021 BMW 330i median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $335–$690
- 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
Year-specific context
How does the 2021 BMW 330i compare?
The 2021 guide is based on 186 observed listings, including 156 with posted prices. Its $241 median is 10% above the BMW 330i guide's $220 median.
Among the 9 model years with current price data, 2021 ranks #7 from lowest to highest median.
Interchange data shows this part is also listed under model years 2019, 2020, 2022, 2023, 2024. Shopping across all 6 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 330i engine computer cost in other years?
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Price data updating
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Common questions
2021 BMW 330i engine computer FAQ
How much is a used 2021 BMW 330i engine computer?
Based on 156 priced salvage-yard listings, a used 2021 BMW 330i engine computer lists between $70 and $495, with a median asking price of $241.
How much does it cost to replace a 2021 BMW 330i engine computer?
Using a used part, a 2021 BMW 330i engine computer replacement typically runs $335–$690 all-in: the median used engine computer for this year lists at $241, 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 2021 BMW 330i engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2021 BMW 330i engine computer also appear under model years 2019, 2020, 2022, 2023, 2024, 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 2021 BMW 330i ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2021 BMW 330i engine computer — median $241, from 156 listings.