---
product_id: 216914389
title: "20 Pin to 16 Pin OBD2 Adapter Cable for BMW, Round Diagnostic Scanner Connector Cord Compatible with 1992-2001 E36 E38 E39 E46 E53 X5 Z3, ABS Auto Code Reader Wire (15.7 Inches)"
brand: "btbcoin"
price: "€ 28.39"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.hr/products/216914389-20-pin-to-16-pin-obd2-adapter-cable-for-bmw
store_origin: HR
region: Croatia
---

# 15.7-inch cable length for easy reach 20-pin to 16-pin precision adapter Factory-spec K-Line & L-Line wiring 20 Pin to 16 Pin OBD2 Adapter Cable for BMW, Round Diagnostic Scanner Connector Cord Compatible with 1992-2001 E36 E38 E39 E46 E53 X5 Z3, ABS Auto Code Reader Wire (15.7 Inches)

**Brand:** btbcoin
**Price:** € 28.39
**Availability:** ✅ In Stock

## Summary

> 🔧 Bridge the gap to your classic BMW’s hidden diagnostics!

## Quick Answers

- **What is this?** 20 Pin to 16 Pin OBD2 Adapter Cable for BMW, Round Diagnostic Scanner Connector Cord Compatible with 1992-2001 E36 E38 E39 E46 E53 X5 Z3, ABS Auto Code Reader Wire (15.7 Inches) by btbcoin
- **How much does it cost?** € 28.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/216914389-20-pin-to-16-pin-obd2-adapter-cable-for-bmw)

## Best For

- btbcoin enthusiasts

## Why This Product

- Trusted btbcoin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Durability:** Robust ABS build with anti-misfit notch for secure, damage-free connection
- • **Tailored for Classic BMWs:** Compatible with 1992-2001 E36, E38, E39, E46, E53 X5 & Z3 models
- • **Unlock Full BMW Diagnostics:** Access ABS, SRS & Transmission codes beyond basic OBD2 limits
- • **Precision Wiring for Stability:** Factory-standard pinout ensures flawless communication with all modules
- • **Essential Tool for BMW Enthusiasts:** Must-have adapter to pair with BMW-specific scanners for deep diagnostics

## Overview

The BTBcoin 20 Pin to 16 Pin OBD2 Adapter Cable is a 15.7-inch, ABS-built diagnostic bridge designed specifically for BMW models from 1992 to 2001. It enables full-system access—including ABS, SRS, and transmission modules—by connecting the under-hood 20-pin port to standard 16-pin OBD2 scanners programmed for BMW protocols. Engineered with factory-standard wiring and a secure fit, this adapter is essential for professional-grade diagnostics on classic BMWs.

## Description

Revive Your Classic Bimmer with the BTBcoin 20-Pin Diagnostic Adapter If you own a pre-2001 BMW, you know the struggle: the standard OBD2 port under the dash only gives you basic data. To truly diagnose ABS lights, airbag faults, or transmission issues, you need access to the round 20-pin diagnostic port under the hood. The BTBcoin 20 Pin to 16 Pin OBD2 Adapter Cable is your essential bridge to full-system diagnostics. Frequently Asked Questions: Q: Will this work with a standard OBD2 scanner? A: No. PLEASE NOTE: the 20pin cable is just an adapter, NOT a scanner. Older BMWs use specific communication protocols. You MUST use a scanner that is programmed to read BMW-specific software. Generic scanners will show a connection error. Q: Which cars does it fit? A: It works on all BMW with 20 PIN diagnostic connector , including: 1992 - 2001 E36 & E46 3-Series, 1996 - 2001 E39 5-Series, 1995 - 2001 E38 7-Series, 2000 - 2001 E53 X5, and 1996 - 2001 Z Series. Specifications: Material: ABS Color: Black Pin: 20 Pin to 16 Pin Length: 40cm/15.7" Package Included: 1 x Adapter Cable

Review: Muy bueno me has solucionado el problema de compatibilidad - Excelente
Review: Good choice for BMW 323i. - Works with the 1999 BMW 323i. Build quality is good.

## Features

- DESIGNED FOR CLASSIC BIMMERS: Specifically engineered for older models equipped with the under-hood 20-pin diagnostic port. Will work on the following OBDI & OBDII BMW models: 1992 - 2001 E36 & E46 3-Series, 1996 - 2001 E39 5-Series, 1995 - 2001 E38 7-Series, 2000 - 2001 E53 X5, and 1996 - 2001 Z Series.
- UNLOCK FULL SYSTEM DIAGNOSIS: The standard 16-pin port under your steering wheel often limits you to basic engine codes. By bridging your scanner to the under-hood 20-pin port with this adapter cable, you can access deep chassis modules like ABS, SRS, and Transmission for comprehensive car inspection.
- CRITICAL USAGE WARNING: Please note that the 20pin cable is just an adapter, not a scanner. To read codes, it must be paired with a BMW-specific diagnostic tool. Using cheap, generic OBD2 readers will result in a linking error because they do not support older proprietary protocols.
- FULLY WIRED FOR K-LINE AND L-LINE: Our cable is fully pinned out according to factory specifications: 4,5 to 19 (Ground), 7 to 17,20 (K Line), 15 to 15 (L Line), and 16 to 14 (Power). This ensures stable communication with all available vehicle modules without missing data.
- SNUG FIT AND DURABLE BUILD: Built with high-quality ABS material in black, featuring a precise alignment notch to prevent blind-insertion damage. Length is 40cm/15.7". It is only one piece of BMW 20PIN connector adapter cable in the package.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086Q1CYK7 |
| Best Sellers Rank | #904,634 in Automotive ( See Top 100 in Automotive ) #2,495 in Code Readers & Scan Tools |
| Brand | BTBcoin |
| Built-In Media | cable |
| Color | black |
| Compatible Devices | Scanner |
| Connector Type | BMW 20-pin |
| Customer Reviews | 4.2 4.2 out of 5 stars (36) |
| Finish | Abs |
| Item Dimensions | 6 x 5 x 1.97 inches |
| Item Type Name | adapter cable |
| Item Weight | 3.5 Ounces |
| Manufacturer | Winthon |
| Model Number | 20 pin to 16 pin obd2 adapter |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| UPC | 796826281623 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year warranty |

## Product Details

- **Brand:** BTBcoin
- **Color:** black
- **Compatible Devices:** Scanner
- **Connector Type:** BMW 20-pin
- **Item dimensions L x W x H:** 6 x 5 x 1.97 inches

## Images

![20 Pin to 16 Pin OBD2 Adapter Cable for BMW, Round Diagnostic Scanner Connector Cord Compatible with 1992-2001 E36 E38 E39 E46 E53 X5 Z3, ABS Auto Code Reader Wire (15.7 Inches) - Image 1](https://m.media-amazon.com/images/I/517V6HLKfKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy bueno me has solucionado el problema de compatibilidad
*by J***Z on February 6, 2026*

Excelente

### ⭐⭐⭐⭐⭐ Good choice for BMW 323i.
*by K***R on February 12, 2025*

Works with the 1999 BMW 323i. Build quality is good.

### ⭐ Review
*by D***O on July 27, 2023*

No funciono, tenia errores en la conexion

## Frequently Bought Together

- BTBcoin 20 Pin to 16 Pin OBD2 Adapter 20 Pin Connector Cable for BMW E36 E38 E39 E46 E53 X 5 Z3
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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-16*