BMW F20 Automatic Transmission Gear Selector Switch 9390214 - Used Original Parts
RM 650
Condition: Used (Original)Description
Product Title
BMW F20 Automatic Transmission Gear Selector Switch 9390214 - Used Original Parts
Diagnosis and Common Symptoms
From a workshop perspective, a failing Gear Selector Switch (GWS) on the F-series platform presents a distinct set of electronic and mechanical symptoms. Diagnosis with diagnostic tools like ISTA/D will typically reveal fault codes pointing to signal implausibility or communication loss over the LIN bus. Key fault codes to look for include 420106 (GWS: Plausibility Error) and CF2F01 (Signal, gear selector lever position, invalid).
On the dashboard, the driver will often experience a "Drivetrain Malfunction" or "Transmission Fault" warning. Other common symptoms include the inability to shift the vehicle out of Park (P), a flashing gear position indicator (P, R, N, D) in the instrument cluster, or the complete failure of the selector lever's indicator lights. In some cases, the selector may feel physically normal but sends no signal to the transmission control unit (EGS), effectively locking the vehicle in its current state.
Introduction
This is a Genuine BMW Automatic Transmission Gear Selector Switch, a critical component responsible for interpreting driver commands and communicating them to the transmission control unit. Sourced directly from a donor vehicle, this part offers a reliable and cost-effective solution compared to a new dealer unit. Each selector switch undergoes a comprehensive bench test to verify correct electronic signalling and mechanical operation. It is a fully functional, ready-to-install component that restores the precise feel and function you expect from your BMW.
Product Details
- Brand: BMW
- Model Compatibility: F20, F21, F22, F23, F30, F31, F32, F33, F34 GT, F36
- Part Name: Automatic Transmission Gear Selector Switch (GWS)
- Part Number: 9 390 214
- Condition: Genuine Used (Tested Working)
- Notes: This unit has been electronically tested for correct LIN bus communication and switch position signals. A physical inspection confirmed no damage to the connector pins or housing. Please verify the part number against your original unit before purchase.
Frequently Asked Questions
Q: What symptoms indicate failure? A: Common indicators include a "Transmission Malfunction" error on the dashboard, the vehicle being stuck in Park, flashing gear indicators, and specific diagnostic fault codes like 420106 related to signal plausibility.
Q: Does this require coding? A: In most F-series applications, this gear selector is a direct-fit component and does not require coding. However, we always recommend professional installation to ensure perfect integration and to verify functionality with diagnostic software post-installation.
Q: Is this original? A: Yes, this is a Genuine BMW part, carefully removed from a donor vehicle. We do not sell aftermarket or replica components.
Why Choose Us?
- Verified functionality
- Actual photos/videos provided
- 30-day exchange warranty
- Guaranteed to communicate correctly with the EGS (Transmission Control Unit)
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
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