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1997-1998 BMW 528i 540i Rear Left/Right Sensor
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$120.00
Sale price$99.99
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1997–1998 BMW 528i 540i Rear Left/Right Sensor
Direct-fit oxygen sensor pair for late-90s 5-Series, ready to bolt into factory locations. These sensors monitor exhaust gas composition to keep your engine management dialed in. OEM replacement spec for reliable emissions control and fuel efficiency.
✓ Direct-from-Warehouse✓ Factory Mounting Points✓ Left and Right Pair Included
Key Features
Direct factory fitment – Mounts to OEM sensor bungs with zero modification required
Left and right sensors included – Both rear locations covered in one purchase
Do these sensors come with the wiring harness or connectors?
They arrive with factory connectors ready to plug into your car's harness. No wiring work needed — just mate them to the existing plugs.
Can I install these without special tools?
You'll need an oxygen sensor socket (cheap, widely available) and a ratchet. The sensors unscrew from the exhaust manifold by hand once heated slightly — no fabrication or drilling involved.
Will these throw a check engine light if the old sensors are still in the car?
Yes. Remove the old sensors completely before installing these. Leaving old hardware in place triggers fault codes and defeats the purpose of the replacement.
* Rates from 0–36% APR. Payment options through Affirm are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license. For licenses and disclosures, see affirm.com/licenses. For example, a $800 purchase could be split into 12 monthly payments of $72.21 at 15% APR or 4 interest free payments of $200 every 2 weeks.
**Rates from 0%-36% APR. Payment options through Shop Pay Installments, are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers https://www.affirm.com/licenses.
