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Home›Adapters & Cables›iCarsoft BMW 20-Pin Adapter
iCarsoft BMW 20-Pin to 16-Pin OBD1 Diagnostic Adapter
OBD1 DIAGNOSTIC ADAPTER
iCARSOFT · CLASSIC BMW DIAGNOSTIC BRIDGE
BMW 20-Pin
20-PIN ROUND · 16-PIN OBD2 · PRE-2001
Add product photo · white background · 3/4 angle
iCARSOFT · E-CHASSIS HERITAGE LINE
18 SCANNERS SUPPORTED

iCarsoft BMW 20-Pin to 16-Pin OBD1 Diagnostic Adapter

Your E30 has stories. Now your scanner can hear them.
★★★★★ 4.9 · trusted by classic BMW restorers, collectors & indie shops

The round socket under the hood of a classic Bimmer speaks a language modern scanners forgot. This adapter translates — plug it into the 20-pin port, connect your iCarsoft tool, and decades-old electronics report in like it's new.

Pre-2001 E-Chassis Ready
Round 20-Pin → 16-Pin OBD2
Works with 18 iCarsoft Tools
Garage-Proof Construction
Pricing on Request
MOQ flexible
Thirty years of BMW, one small cable away.
The missing link between the round engine-bay socket and every modern iCarsoft handheld in your drawer.
Not sure your chassis qualifies? Check the E-code list below or ask us directly. See chassis coverage →
Request Wholesale / Dealer Pricing
Front
Angle
20-Pin End
01Product Overview

Old socket, new tricks — the bridge your Bimmer deserves.

This premium 20-pin diagnostic adapter is specifically engineered for classic BMW vehicles equipped with an OBD1 20-pin circular diagnostic socket under the hood. It acts as a high-fidelity data bridge, allowing you to connect your vintage BMW to modern 16-pin OBD2 handheld scanners.

Illustration Positions · From Round Port to Readout
Scene Photo
Round 20-Pin Socket in the Engine Bay
The Classic Port
Detail Photo
Adapter Bridging 20-Pin to 16-Pin OBD2
The Translation
Screen Photo
iCarsoft Scanner Talking to a Classic BMW
The Conversation
02Which car diagnostic scanners is this adapter compatible with?

If it says iCarsoft on the front, odds are it plugs right in.

Optimized for perfect compatibility, it works flawlessly with iCarsoft BMM V1.0, BMM V2.0, BMM V3.0, BMM V4.0, DE V4.0, EU Pro, EU MAX, CR V2.0, CR V3.0, CR Plus, CR Elite, CR Pro, CR Pro+, CR Pro S, CR Elite P, CR MAX, CR MAX BT, and CR Max P vehicle diagnostic tools.

03Key Features

Built like the cars it serves — over-engineered on purpose.

Classic BMW Restoration Ready

Specially designed to communicate with legendary OBD1 BMW models from the Pre-2001.

Full-System Access

Enables deep diagnostic module scanning (Engine, ABS, Airbags/SRS, Instrument Cluster, Transmission) when paired with capable iCarsoft multi-system tools.

Seamless Bridging

Converts the vehicle-side round 20-pin socket into a standard 16-pin OBD2 female port.

Heavy-Duty Build

100% brand new with rugged insulation and reinforced connectors to resist garage grease and wear.

04Vehicle & Chassis Coverage

E-codes only true fans recognize — all on the guest list.

Specifically engineered for Pre-2001 BMW models equipped with the round 20-pin diagnostic port located in the engine bay:

3 Series

E30, E36, Early E46

5 Series

E28, E34, Early E39

6 Series

E24

7 Series

E23, E32, E38

8 Series

E31

Z Series

E36 Z3, E52 (Z8)

X Series

Early E53 (X5)

05Packing list:

One cable, thirty years unlocked.

1pc BMW 20-Pin to 16-Pin OBD1 Diagnostic Adapter Cable
IN THE BOX · 01/01
Where to Buy

Available through authorized sellers.

The BMW 20-Pin Adapter is sold through authorized iCarsoft sellers worldwide. Contact our team to confirm your chassis and scanner pairing, check stock, or find your nearest authorized distributor.

Request Wholesale / Dealer Pricing Find a Distributor
Authorized dealers only · Pairs with BMM · DE · EU · CR series scanners
Get a Quote

Interested in the BMW 20-Pin Adapter?

This page is for product information. Tell us what you need and our team will get back to you shortly — to confirm your chassis and scanner pairing, request a quote, or find your nearest authorized dealer.

  • Confirm chassis & scanner pairingCheck your E-code and iCarsoft tool model
  • Get pricing & availabilityQuotes, stock, wholesale & retail inquiries
  • Find a local authorized dealerWe connect you with your nearest channel
Pre-2001 E-Chassis 20-Pin Round Port 18 Scanners FCC · CE · ROHS

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