03-06 BMW 325CI/330CI & 03-05 325I/330I/Z4 & 04-06 X3 Front Sensor
Front Engine Sensor — BMW 325/330 & Z4 & X3
Direct replacement oxygen sensor for early-2000s BMW inline-six and Z4 models. OEM-equivalent construction engineered to restore proper air-fuel ratio monitoring and emissions performance. Critical for maintaining fuel economy and clean combustion after sensor degradation.
Key Features
- OEM-equivalent design - Matches factory sensor calibration and electrical output for plug-and-play function
- Restores fuel trim accuracy - Eliminates rich or lean condition faults that trigger check engine lights
- Direct replacement fitment - No adapter or modification required; connects to existing harness and boss
Specs
- Type: Heated oxygen sensor
- Condition: New
- Quantity: Single unit
Whats Included
- Oxygen sensor
Frequently Asked Questions
Do I need to clear the check engine code after installing this?
After installation, the fault should clear itself within a few drive cycles as the sensor reads normal values. If the code persists, a diagnostic scanner can clear it manually, but the sensor itself will resolve the underlying condition.
Can I install this myself without special tools?
The sensor unscrews with a standard wrench or oxygen sensor socket — no special BMW diagnostic equipment needed. Unplug the electrical connector, remove the old sensor, thread in the new one hand-tight, then snug it with your wrench. Reconnect the harness and you're done.
What if the sensor is stuck in the exhaust manifold?
Let the engine cool completely before removal. If it won't budge, spray penetrating oil around the threads and let it soak for 20–30 minutes. A sensor socket with a breaker bar gives you better leverage than a regular wrench on a seized unit.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
03-06 BMW 325CI/330CI & 03-05 325I/330I/Z4 & 04-06 X3 Front Sensor
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.