Audi A4 engine computer price snapshot
- Low
- $35
- Average
- $184
- High
- $644
Vehicle-specific price guide
How much is a used Audi A4 engine computer?
Asking prices from 328 salvage yards in 42 states, broken down by model year, condition grade, and fitment variant.
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 13, 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 Audi A4 engine computer
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 Audi A4 engine computer costs $35 to $644, with a median asking price of $175. Based on 1,049 priced salvage yard listings across the US, compatible across 2013–2024 (12 model years), updated Oct 13, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$175
Grade B (good)$197
USD
Condition comparison
Price by part grade
Grade AClean / low wear$35–$644875 listings
Grade BStandard used$65–$372124 listings
Grade XUngraded$40–$57850 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $35–$644 | 875 | |
| Grade BStandard used | $65–$372 | 124 | |
| Grade XUngraded | $40–$578 | 50 |
Median by grade
Grade price comparison
Grade A$175
Grade B$197
Ungraded$100
Median asking price by seller-reported condition grade · $35–$644 overall range
Regional supply
Where the Audi A4 engine computer is listed
We found priced Audi A4 engine computer listings at 328 salvage yards across 42 states. Florida supplies the most, with 169 listings (16% of the total) from 34 yards. Location matters: yards in California ask a median $101, while Michigan yards ask $235, 133% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.
| State | Listings | Yards | Median ask |
|---|---|---|---|
| Florida | 169 | 34 | $121-31% |
| California | 136 | 30 | $101-42% |
| Georgia | 107 | 18 | $175 |
| Texas | 78 | 22 | $140-20% |
| Michigan | 64 | 20 | $235+34% |
| North Carolina | 49 | 14 | $228+30% |
| Indiana | 43 | 14 | $130-26% |
| Illinois | 41 | 19 | $210+20% |
States with at least 10 priced listings. % is versus the $175 national median.
Replacement cost
What is the Audi A4 engine computer replacement cost?
- Used part
- $175
- Audi A4 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $270–$625
- 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
Sources
- Labor time estimates: Part Price Guide labor database
Electronic Control Module, ID 8W0907115AS8W0
2 listingsInterchange 2020–2024$49$42 – $49Model-year comparison
What does a Audi A4 engine computer cost by year?
202420 listingsFits 3 years$175$42 – $415202358 listingsFits 2 years$325$150 – $6442022103 listingsFits 3 years$271$139 – $5782021150 listingsFits 4 years$217$42 – $400202093 listingsFits 2 years$228$42 – $4132019198 listingsFits 4 years$118$35 – $4102018100 listingsFits 3 years$179$42 – $3252017100 listingsFits 3 years$101$40 – $4102016200 listingsFits 5 years$134$40 – $4002015200 listingsFits 4 years$113$50 – $315
Market analysis
How much does a used Audi A4 engine computer cost?
Asking prices for a used Audi A4 engine computer are unusually spread out: the top listing asks more than ten times what the cheapest does, so which unit you pick matters more than the median.
Fitment variant moves the price more than most buyers expect. The most affordable variant we track, Electronic Control Module, ID 8W0907115AS8W0, lists at a $49 median, while Electronic Control Module, ID 8W0907115AM8W0 commands $197, a 302% gap inside the same part category. Confirm which variant your VIN requires before comparing quotes.
Model year matters too: 2017 units carry the lowest median at $101, while 2023 tops the table at $325. Parts from 2017–2019 are interchangeable, so if the 2017 fits your vehicle, it offers the best value across 3 compatible years.
Against comparable vehicles, the Audi A4 sits 56% above the Honda Accord ($112), 58% above the Honda Civic ($111), and 39% above the Hyundai Elantra ($126) for the same part. The “similar vehicles” cards below open each comparison guide.
Buying a used engine computer: what to check
- Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
- Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
- Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
- Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
- Check aluminum casing seals: Inspect housing screws and perimeter rubber gaskets for white oxidation or breaks that indicate past water intrusion.
Keep browsing this vehicle
What other Audi A4 parts are priced?
01wide ±253%
Transmission Control Module
$123median
$22$644
02wide ±208%
Air Bag
$159median
$40$700
03wide ±257%
Transmission
$598median
$120$3,193
04wide ±178%
Side Mirror
$343median
$55$1,275
05wide ±220%
Car Radio
$151median
$35$700
06wide ±180%
Steering Wheel
$204median
$65$799
07wide ±121%
Front Seat
$196median
$75$550
08wide ±164%
Wheels
$220median
$54$774
09wide ±196%
Strut
$95median
$40$412
10wide ±172%
Headlight Assembly
$1,151median
$182$4,144
11wide ±179%
Control Arm
$85median
$35$339
12wide ±177%
Tail Light
$200median
$35$743
Price comparisons
Compare Audi A4 engine computer prices
Engine Computercompare
HondaAccordvsAudiA4
Accord$112
A4$175
$63 diff9,254 listings
Engine ComputercompareHondaCivicvsAudiA4
Civic$111
A4$175
$64 diff9,089 listings
Engine ComputercompareHyundaiElantravsAudiA4
Elantra$126
A4$175
$49 diff8,645 listings
Engine ComputercompareHondaPilotvsAudiA4
Pilot$125
A4$175
$50 diff6,162 listings
Engine ComputercompareHyundaiTucsonvsAudiA4
Tucson$156
A4$175
$19 diff5,855 listings
Engine ComputercompareToyotaRAV4vsAudiA4
RAV4$161
A4$175
$14 diff5,205 listings
Compare fitments
What do similar vehicles charge for this part?
Acurawide ±167%
Acura ILX
$138median
$40$500
Acurawide ±153%
Acura Integra
$155median
$50$525
Acurawide ±219%
Acura MDX
$135median
$35$625
Acurawide ±162%
Acura RDX
$155median
$42$543
Acurawide ±208%
Acura TLX
$125median
$33$553
Audiwide ±122%
Audi A6
$184median
$50$500
Audiwide ±188%
Audi Q3
$200median
$50$800
Audiwide ±211%
Audi Q5
$192median
$39$850
Audiwide ±141%
Audi Q7
$249median
$48$748
BMWwide ±126%
BMW 330i
$220median
$63$617
BMWwide ±120%
BMW 530i
$221median
$65$595
BMWwide ±122%
BMW M3
$440median
$212$1,289
Common questions
Audi A4 engine computer FAQ
How much is a used engine computer for a Audi A4?
The median asking price is $175 across 1,049 priced listings from 328 yards. Grade-A units, the cleanest stock, have a median of $175. 2017 is the cheapest model year we track, with a median of $101.
How much does it cost to replace a Audi A4 engine computer?
Using a used part, a Audi A4 engine computer replacement typically runs $270–$625 all-in: the median used engine computer for this model lists at $175, 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.
Which Audi A4 model years does this price guide cover?
This guide currently has year-level pricing for 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. Other model years contribute to the overall range where sellers listed them without a year breakdown.
Which Audi A4 engine computer years are interchangeable?
Salvage-yard interchange data links Audi A4 engine computer fitments across 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024. Searching all 12 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.