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Body Control Module
This photo shows the same type of part you'll receive. Since each used part has its own wear and scratches, yours may look slightly different. Check the product notes for details about the condition of this specific part.

2009 - 2016 BMW Z4 Smart Key Control Module (OEM)

Only 2 left in stock
$59.95

ℹ️ Product Notes

This is a used part. This module controls the Car Access System (CAS) and keyless ignition (Comfort Access System). It is also the Theft ECU. It fits models built starting in September 2005. IMPORTANT: This module must be reprogrammed at a BMW service center.

Must be programmed by a BMW specialist. Controls keyless entry and ignition. Only fits models with the Comfort Access option. Match your part number exactly.

Original Part #(s): 61356943766, 61356943771, 61356943775, 61356943786, 6135694379, 61356943791, 61356943797, 61356964051, 61356981416
Condition: Excellent (A)
Like new, minimal to no wear
23,764 miles
Odometer reading when part was removed
SKU #
795673-17535-195

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

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Vehicle Fitment Guide

This part fits the following vehicles:

BMW
Z4 2009-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
2.5si Convertible 2009 - 2010 L6 2.5L RWD | Automatic & Manual
3.0si Convertible 2009 - 2010 L6 3.0L RWD | Automatic & Manual
M Coupe Coupe 2009 L6 3.2L RWD | Manual
M Roadster Convertible 2009 L6 3.2L RWD | Manual
sDrive30i Convertible 2009 - 2011 L6 3.0L RWD | Automatic & Manual
sDrive35i Convertible 2009 - 2016 L6 3.0L Turbo RWD | Manual & Automatic Dual Clutch
sDrive23i Convertible 2011 L6 2.5L RWD | Automatic & Manual
sDrive35i Convertible 2011 - 2013 L6 3.0L RWD | Automatic & Manual
sDrive35i Convertible 2011 - 2013 L6 3.0L Turbo RWD | Automatic
sDrive35is Convertible 2011 - 2016 L6 3.0L Turbo RWD | Automatic Dual Clutch
sDrive20i Convertible 2012 - 2013 L4 2.0L Turbo RWD | Automatic & Manual
sDrive28i Convertible 2012 - 2016 L4 2.0L Turbo RWD | Automatic & Manual
Design Pure Traction Convertible 2014 - 2016 L4 2.0L Turbo RWD | Automatic
Design Pure Traction Convertible 2014 L4 2.0L Turbo RWD | Manual
M Sport Convertible 2014 - 2016 L4 2.0L Turbo RWD | Automatic & Manual
M Sport Convertible 2014 - 2016 L6 3.0L RWD | Automatic & Manual
sDrive18i Convertible 2014, 2016 L4 2.0L Turbo RWD | Automatic
sDrive18i Convertible 2014 L4 2.0L Turbo RWD | Manual
sDrive35i Pure Traction Convertible 2014 L6 3.0L Turbo RWD | Automatic Dual Clutch
sDrive18iA Convertible 2015 L4 2.0L Turbo RWD | Automatic

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs the Smart Key Control Module is Failing

  • Your key fob might not unlock or lock the doors.
  • The car might not start, even with a good battery.
  • The alarm system might act strangely or not work at all.
  • You might see warning lights on the dashboard related to security or key recognition.
  • The car might randomly lock or unlock itself.

How to Test if This Part is the Problem

  1. Check the battery: Make sure the car battery and the key fob battery are both good.
  2. Inspect the wiring: Look for any damaged or corroded wires connected to the module.
  3. Use a diagnostic scanner: A mechanic can use a scanner to read error codes related to the smart key system. These codes can help pinpoint the problem.
  4. Try a spare key: If you have a spare key, see if it works. If the spare key works, the problem might be with the original key, not the module.

Common Failure Causes for This Part

  • Water damage: Leaks in the car can damage the module.
  • Electrical surges: Power surges can fry the module's internal components.
  • Vibration: Over time, constant vibration can cause the module to fail.
  • Age: Like any electronic component, this module can simply wear out over time.
  • Corrosion: Corrosion on the connectors can prevent the module from working properly.

Buyer's Checklist

What to Look For When Buying This Part

  • Correct part: Make sure the part is designed for your car's year and model.
  • Warranty: Check if the part comes with a warranty.
  • Seller reputation: Buy from a reputable seller.
  • Condition: Understand the condition of the part (used or new).

Quality Indicators for the Available Options

| Feature | Used OEM the following is a summary of the key points:

  • OEM Smart Key Control Module for 2004-2007 BMW is the product.
  • Symptoms of failure include key fob issues, starting problems, alarm malfunctions, and random locking/unlocking.
  • Diagnosis involves checking batteries, wiring, using a diagnostic scanner, and trying a spare key.
  • Common causes of failure are water damage, electrical surges, vibration, age, and corrosion.
  • Buyer's checklist emphasizes correct part selection, warranty, seller reputation, and condition.
  • Buying options are Used OEM (tested, genuine, value) and New Aftermarket (brand new, third-party, OE specs).
  • Related parts should be checked/replaced to prevent repeat failures.
  • Typical lifespan varies based on factors like environment and usage.
  • Price ranges vary from budget to premium.
  • Vehicle-specific notes highlight known issues and TSBs.
  • Verification after install involves confirming proper operation.
  • FAQ addresses common buyer questions.

Installation Overview

Difficulty Level and Estimated Time

Replacing the smart key control module is generally considered a medium-difficulty job. It might require some technical knowledge and familiarity with car electronics. Estimated time: 1-3 hours.

Special Tools Needed (If Any)

  • Basic hand tools (sockets, wrenches, screwdrivers)
  • Diagnostic scanner (for clearing codes and potentially programming)
  • Multimeter (for testing electrical connections)

Critical Steps and Tips

  1. Disconnect the battery: Always disconnect the negative terminal of the car battery before working on electrical components.
  2. Locate the module: Find the smart key control module's location (usually under the dash or in the trunk). Consult a repair manual or online resources for the exact location.
  3. Disconnect the connectors: Carefully disconnect the electrical connectors from the module.
  4. Remove the module: Unbolt or unclip the module from its mounting bracket.
  5. Install the new module: Install the new module in the reverse order.
  6. Reconnect the battery: Reconnect the negative terminal of the car battery.
  7. Program the key: You might need to program the key to the new module using a diagnostic scanner.

Whether DIY is Recommended or Professional Installation is Better

If you have experience working on car electronics and are comfortable using a diagnostic scanner, you might be able to do this job yourself. However, if you're not comfortable with electrical work or programming, it's best to have a professional mechanic install the module. Programming the key often requires specialized equipment.

Buying Options

| Feature | Used OEM | New Aftermarket

Part Specifications

OEM Part Numbers:

  • BMW: 61356943766, 61356943771, 61356943775, 61356943786, 6135694379, 61356943791, 61356943797, 61356964051, 61356981416

Fits Years: 2009 2010 2011 2012 2013 2014 2015 2016

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