How to remove and install the ignition switch on the BMW 330i?

The covered models use a coded fob instead of a traditional metal key. Inserting the fob into the switch allows the use of the engine start/stop switch, which actually starts the engine. Carefully pry off the switch trim, remove the mounting bolts and pull the switch from the instrument panel. Disconnect the electrical connector as the switch is withdrawn. Installation is the reverse of removal. For E-series chassis models, using a blunt, fiat-bladed tool, carefully pry the decorative trim strip/air vents from the instrument panel. Disconnect any electrical connectors as the trim is removed. Squeeze together the clips and push the engine start/stop switch from the trim. Installation is the reverse of removal. For F-series chassis models, using a trim tool, pry out the switch from the instrument panel, then disconnect the electrical connector. Installation is the reverse of removal.

Genuine BMW 330i Ignition Switch

Starter Ignition Switch

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6 Ignition Switches found

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BMW 330i Ignition Lock Switch
Part Number: 66129172371
$109.98 MSRP: $135.00
You Save: $25.02 (19%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Ignition Lock Of Remote Control; Ignition Lock, Ignition Lock Cylinder
- Replaces: 66-12-6-937-494, 66-12-6-954-719
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Ignition Starter Switches
Part Number: 61326901961
$96.21 MSRP: $114.73
You Save: $18.52 (17%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Ignition Switch
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 330i | Sedan(E46)
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BMW 330i Start Stop Switch
Part Number: 61319154945
$103.03 MSRP: $130.30
You Save: $27.27 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Starter/Stop Switch; Button, Power Switch, Start Button
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Ignition Switch
Part Number: 61316949913
$103.03 MSRP: $130.30
You Save: $27.27 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Starter/Stop Switch
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Ignition Switch
Part Number: 61317973477
$171.43 MSRP: $202.13
You Save: $30.70 (16%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Starter/Stop Switch; Button
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Control Panel Center Console
Part Number: 61315A1CA55
$301.95 MSRP: $391.70
You Save: $89.75 (23%)
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Product Specifications
- Other Name: Power Switch
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2023 BMW 330i | 4 Cyl 2.0 L GAS

BMW 330i Ignition Switch

The BMW 330i Ignition Switch lets the driver route battery power to start and operate the car's engine and electronics. Early BMW 330i models relied on a steering column key and lock cylinder design, allowing turns to OFF, ACC, ON, and START positions, with a mechanical interlock that also locked the steering wheel and kept the shifter in park when removed. This keyed Ignition Switch sent current to the starter, fuel injection, and components only when the correct coded key was inserted, blocking hot-wiring attempts. Wear in the lock wafers or internal contacts could cause hard turning, erratic loss, or sudden engine shutoff, signaling a failing Ignition Switch. Later BMW 330i generations adopted a fob based push button system that keeps the key in a pocket, still demanding an approved transponder signal before permitting the button press to energize the starter. This version of the Ignition Switch removes many moving parts, reducing jam risk and production cost while still providing component only operation with a single tap. Overall, BMW ensures every 330i uses an Ignition Switch engineered for smooth power delivery and solid theft deterrence.

If you are looking for OEM BMW 330i Ignition Switch, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 330i Ignition Switch that come backed by the manufacturer's warranty.

BMW 330i Ignition Switch Parts Questions & Experts Answers

Ignition Lock Switch
66129172371
Q:
How to remove and install the ignition switch on the BMW 330i?
Posted by Ashok R.
A:
The covered models use a coded fob instead of a traditional metal key. Inserting the fob into the switch allows the use of the engine start/stop switch, which actually starts the engine. Carefully pry off the switch trim, remove the mounting bolts and pull the switch from the instrument panel. Disconnect the electrical connector as the switch is withdrawn. Installation is the reverse of removal. For E-series chassis models, using a blunt, fiat-bladed tool, carefully pry the decorative trim strip/air vents from the instrument panel. Disconnect any electrical connectors as the trim is removed. Squeeze together the clips and push the engine start/stop switch from the trim. Installation is the reverse of removal. For F-series chassis models, using a trim tool, pry out the switch from the instrument panel, then disconnect the electrical connector. Installation is the reverse of removal.
Answered by BMW Parts Specialist Blaine / Nov 02, 2025