Is a fault here a safety issue?

Not directly, but it reduces safety if the driver ends up holding the phone instead of using hands-free calling.

Can this unit’s software be updated?

On some models, yes, which can improve compatibility with newer devices.

What does this unit consist of?

An electronic module with a Bluetooth transceiver.

How do I check whether Bluetooth control unit VW PASSAT CC 2009 fits my vehicle?

Compare OEM reference 5N0035730B, the listed vehicle (VW PASSAT CC 2008-2012), connectors, mounting points and the photographs for this exact item.

What is the condition of Bluetooth control unit VW PASSAT CC 2009?

Listed condition: Used. Current availability: 1 in stock - ready to ship. Review the item photographs and any stated defects as well.

How is Bluetooth control unit VW PASSAT CC 2009 delivered and returned?

Available delivery methods, timing and price for your country are shown in the cart. Review the applicable 14-day return terms before ordering.

Bluetooth control unit VW PASSAT CC 2009

Name: Bluetooth control unit VW PASSAT CC 2009
Brand: VW
SKU: 5N0035730B
Price: 67.50 EUR
Availability: InStock

OEM: 5N0035730B

Disassembled car photo

Engine running

Tested before shipping
Guaranteed quality
Fast delivery 3–7 days
14-day returns

Details for this exact part

Code: 5N0035730B
OEM: 5N0035730B
Condition: Used
Availability: 1 in stock - ready to ship
Make, model: VW PASSAT CC 2008-2012
Year: 2009
Engine: Diesel 2.0TDI 125KW CBBB
VIN: WVWZZZ3CZAE507090

What is this part and why does it matter?

This Bluetooth control unit provides wireless connectivity for devices to the vehicle’s multimedia system for audio and data.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

Devices can’t find the car’s Bluetooth
Connection keeps dropping
Audio plays with interference or cuts out

Installation information

Mounts in a hidden location in the cabin, needs connecting to the vehicle’s electrics and main multimedia system.

Frequently asked questions

Often a fault in the antenna or the module itself, less often interference from other electronic devices in the cabin.

Donor vehicle description

VIN: WVWZZZ3CZAE507090
Make, model: VW PASSAT CC
Year: 2009
Engine: Diesel 2.0TDI 125KW CBBB
Transmission: Automatic - LQT
Drive: Front
Equipment: LHD
Colour: 7S / C8Y

283 parts from this car

What our customers say

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Price: excellent.
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Didier V.
August 2026
Super good! They came through with the part I needed, quickly and at a fair price! Thanks, and I definitely recommend!
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Ilmars K.
August 2026
I ordered a Heater Blower Motor Resistor for a Toyota Avensis. Delivery took eight days from Latvia to Ireland. I installed it, and everything works perfectly. I wish this company success.
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Aleksandr L.
Toyota Avensis
August 2026
No complaints about Evro Trans itself, everything's fine. But the delivery..... It felt like the order was being carried by turtles. 4 days from Riga to Daugavpils. Judging by the tracking, the parcel just sat somewhere behind a shed for 3 days, then they found it and delivered it the next day. I think that's why I won't be ordering there again.
P
Paul F.
June 2026
Super fast delivery of the part, and good quality of the used part. Thanks for the service.
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Natālija I.
May 2026
I ordered antifreeze heaters and an auxiliary pump. Everything arrived quickly, the very next day, and matched the description. I'm satisfied.
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Juris J.
February 2026
Excellent service, timely delivery, and complete transparency at every step. I highly recommend EvroTrans to anyone looking for a reliable partner!
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Egor S.
November 2025
Bought a front fender for my car. I liked it! After payment they sent more than 20 photos of the problem areas, and it was packed very securely - took a while to unwrap.
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Igors K.
Front fender
October 2025