2018 BMW M3 transmission control module — Differential Lock, (trunk mounted) price snapshot
- Low
- $63
- Average
- $154
- High
- $186
Year & trim-specific price guide
Used 2018 BMW M3 Transmission Control Module — Differential Lock, (trunk mounted) prices
Trim-specific pricing for the Differential Lock, (trunk mounted) variant of the 2018 BMW M3 transmission control module, built from 31 real salvage yard listings with condition grade 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 7, 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.
Price summary
A used 2018 BMW M3 transmission control module (Differential Lock, (trunk mounted)) costs $63 to $186, with a median asking price of $176. Based on 31 priced salvage yard listings across the US, updated Oct 7, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$176
USD
Condition comparison
Price by part grade
Grade AClean / low wear$63–$18631 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $63–$186 | 31 |
Trim-specific context
How does the Differential Lock, (trunk mounted) compare?
This pricing covers the Differential Lock, (trunk mounted) variant of the 2018 BMW M3 transmission control module, based on 31 priced listings. Its $176 median is 115% above the 2018 BMW M3 transmission control module overall median of $82.
There are 18 other transmission control module variants available for the 2018 BMW M3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Differential Lock, (trunk mounted) in other model years
Same year, other trims
What other 2018 BMW M3 transmission control module variants are available?
Air Bag, (center console), (main control)
31 listings$88$84 – $89Suspension, (electronic damping control)
31 listings$96$38 – $500Body Control (BCM), front electronic module, surround view
30 listings$80$80 – $95Communication, (telematics control unit, phone)
30 listings$70$70 – $70Seat, front
30 listings$106$76 – $106Seat, rear
30 listings$61$61 – $104Driver Assist, rear view camera control
29 listings$45$45 – $80Driver Assist, lane departure warning module
28 listings$60$55 – $250Theft-Locking, remote control, 434 MHZ
25 listings$79$40 – $171Fuel Pump, (RH quarter panel)
14 listings$106$96 – $177Body Control (BCM), rear electronic control module
10 listings$76$76 – $89Driver Assist, surround view camera control
10 listings$60$60 – $60Theft-Locking, smart opener control
10 listings$90$90 – $90Driver Assist, automatic park control
9 listings$131$76 – $310Lamps, (adaptive headlamps), (LED light control), turn signal module, RH
9 listings$75$40 – $125Body Control (BCM), front electronic module, rear view camera
8 listings$109$105 – $180Lamps, (adaptive headlamps), (LED light control), turn signal module, LH
7 listings$65$40 – $156Lamps, (adaptive headlamps), (LED light control), main module
2 listings$250$181 – $250Back to full guide
2018 BMW M3 transmission control module — all trims
Common questions
2018 BMW M3 transmission control module (Differential Lock, (trunk mounted)) FAQ
How much is a used 2018 BMW M3 transmission control module (Differential Lock, (trunk mounted))?
Based on 31 priced salvage-yard listings, a used 2018 BMW M3 transmission control module in the Differential Lock, (trunk mounted) variant lists between $63 and $186, with a median asking price of $176.
Which years use the Differential Lock, (trunk mounted) transmission control module?
The Differential Lock, (trunk mounted) variant appears in model years 2015, 2016, 2017, 2018. Prices and availability may differ by year.