Name: 1-Pc Oxygen Sensor, Upstream, 4-Pin, A-Premium OS189
Brand: A-Premium
SKU: 1012R5NU
Availability: InStock
Rating: 4.7 (30 reviews)

Replace your 1991 BMW 325iX Oxygen Sensor with A-Premium parts. Same Day Shipping. 90 Days Free Return. Stress-Free Upgrade. Add to Cart!

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Oxygen Sensor

1988-1991 BMW 325is 1-Pc Oxygen Sensor Upstream 4-Pin A-Premium OS189

Upstream O2 Oxygen Sensor

1-Pc Oxygen Sensor, Upstream, 4-Pin, A-Premium OS189

1988-1991 BMW 325iX 1-Pc Oxygen Sensor Upstream 4-Pin A-Premium OS189

Shop high-quality aftermarket auto parts at A-Premium. We offer fast shipping, 90-day returns, and 24/7 support. Find the right fit for your car today.

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Came within the week, fit perfectly, car is running smoothly now

1-Pc Oxygen Sensor, Upstream, 4-Pin, A-Premium APOS0643

Replacing old one

Easy customer service access, very reliable and responsible price of their parts,

1-Pc Oxygen Sensor Downstream 4-Pin A-Premium APOS0544

Fast shipping 

1-Pc Oxygen Sensor, 4-Pin, A-Premium OS184

Ford fiesta Oxygen sensor

Replaced my 4 old HO2 sensors as I had codes for all 4 , after replacement I still had codes for heating system and low switching activity , was going to inquire with seller , but took a closer look at my under hood fuse box and noticed that there are 2 fuses for heating circuit of the sensors , so replaced 1 blown fuse and all works great now , my truck went from barely enough power to stay with flow of traffic to feeling like a new truck again . Shipping was also fast to Canada compared to other times from other sellers , very satisfied. 

4-Pc Oxygen Sensor, Upstream & Downstream, 4-Pin, A-Premium OS107

4 pack replacement 02 heated 02 sensors , Chevy 4.8 

Showed up timely and just what I ordered 

1-Pc Oxygen Sensor, 4-Pin, A-Premium OS129

Order on line

I purchased the A-Premium O2 Oxygen Sensor for my 2014 Hyundai Elantra GT GLS as a replacement for the factory sensor, and I’m thoroughly impressed with its performance. The installation was straightforward, and the sensor fit perfectly without any modifications.

After replacing the old sensor, I noticed immediate improvements in fuel efficiency and smoother engine performance. The sensor is clearly well-made, with durable materials that match OEM standards at a fraction of the cost. It also resolved the CEL (Check Engine Light) issue I was facing, confirming it was functioning correctly.

If you’re looking for an affordable yet reliable O2 sensor, the A-Premium is a fantastic choice. Highly recommend it for anyone maintaining or upgrading their Elantra GT!

1-Pc Oxygen Sensor, 4-Pin, A-Premium APOS0515

Reliable and High-Quality Replacement O2 Sensor

Great company, parts fit perfect, fast shipping. 

1-Pc Oxygen Sensor, Downstream Driver or Passenger, 4-Pin, A-Premium APOS0518

02 sensors

Quick shipping and excellent price for product!

1-Pc Oxygen Sensor, Downstream, 4-Pin, A-Premium APOS0353

02 sensors 

2-Pc Oxygen Sensor, Upstream & Downstream, 4-Pin, A-Premium OS134

Customer 

I purchased 4 oxygen sensors for my 2001 GMC Sierra they fit perfectly and i no longer have a code for the oxygen sensor in my pickup very pleased with my product 


1987 - 1991	BMW	325i
1988 - 1991	BMW	325iS
1988 - 1991	BMW	325ix
1994 - 1995	BMW	850CSI

1988-1991 BMW 325is 1-Pc Oxygen Sensor Upstream 4-Pin A-Premium OS189

Specifications

Part interchange

Compatibility

Highlights

Shipping and warranty

Fast shipping

Easy return

Warranty policy

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