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Porsche BCM Replacement: Dealer vs Clone Service — What’s the Smart Choice?
If your Porsche’s Rear Body Control Module (BCM) has failed, you’re likely weighing two options:
- Go to the dealer and get a new unit programmed from scratch
- Use a clone service that copies your original data to a donor module
Which is the better choice? In this guide, we break down the pros and cons of each approach, and why thousands of Porsche owners now choose cloning instead.
🚗 What Happens When a BCM Fails?
Common symptoms include:
- Rear lights or windows not working
- Convertible top failure
- Rear spoiler stuck
- Trunk release issues
- Battery drain
- No communication with BCM on scan tool
The culprit is often a flooded or corroded BCM, especially on 997 and 987 series vehicles.
📄 Dealer Replacement: What You Get (and Pay)
At the dealership:
- You’ll pay $900–$1300 or more
- You must order a new BCM, often a 997.618.260.08
- They’ll require dealer-level tools to program it
- May need towing if your car won’t start
- You lose all original coding unless manually re-entered
Upside: You get a brand-new unit Downside: Pricey, time-consuming, and tied to dealership scheduling
🚀 BCM Cloning: A Plug-and-Play Alternative
With a clone service, your original BCM’s:
- VIN
- Immobilizer sync
- System coding
…are copied to a donor BCM with the same part number.
What You Get with Karman Auto’s Clone Service:
- Keep all original settings and functionality
- Just plug it in — no coding or tools needed
- Fast turnaround
- Costs only $300
Ship your original and donor BCM to Karman Auto, labeled “Original” and “Donor”
🔄 Side-by-Side Comparison
| Feature | Dealer Replacement | Clone Service at Karman Auto |
|---|---|---|
| Cost | $900–$1300+ | $300 |
| Turnaround time | 3–10 days | 24–48 hours |
| Requires towing | Yes (if no start) | No |
| Programming required | Yes | No (Plug-and-Play) |
| Keeps original vehicle settings | No | Yes |
| Requires matching part number | No (uses latest) | Yes (must match original) |
✅ Which Should You Choose?
If you want:
- To get back on the road quickly
- To avoid high dealer fees
- To retain your Porsche’s original settings
…then cloning is the smarter, faster, and more affordable option.
🔗 Order the Porsche Rear BCM Clone Service Now
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