ABS Wheel Speed Sensor Rear R/L FOR: BMW 128i, 135i, 328i 2007-2011 OEM Quality ABS Wheel Speed Sensor. Placement: rear right or left side. Indicated price is for one (1) sensor! Please make sure you are ordering correct part! In order to determine compatibility please cross-reference OEM part numbers or contact your mechanic. PLEASE READ CROSS-CHECK OE REFERENCE PART NUMBERS PRIOR TO ORDERING! THIS IS THE ONLY RIGHT WAY TO ORDER CORRECT PART! OEM Reference Codes: BMW STANDARD MOTOR: 34526760425 34526785021 ALS449 AIRTEX/WELLS: BECK/ARNLEY: 5S10517 SU11970 0844145 *It is solely buyer's responsibility to check compatibility prior to ordering auto parts. You may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. List of compatible vehicles: * Models presented for reference purpose only. In order to correctly determine compatibility please cross-check indicated OEM ref. codes. Year: Sub-model: Model: Make: Engine: 2007 Base Sedan 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Sedan 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Wagon 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Sedan 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Coupe 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Coupe 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2007 Base Convertible 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Coupe 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Convertible 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2007 Base Wagon 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Convertible 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Wagon 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Wagon 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2007 Base Coupe 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Convertible 2-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Sedan 4-Door 328i BMW 3.0L 2996CC l6 GAS DOHC 2006 Base Sedan 4-Door 325i BMW 3.0L 2996CC l6 GAS DOHC 2006 Base Sedan 4-Door 330i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Coupe 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Coupe 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Convertible 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC 2009 Base Convertible 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC 2008 Base Coupe 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC 2010 Base Convertible 2-Door 128i BMW 3.0L 2996CC l6 GAS DOHC *May fit other makes-models not listed. Note: The ABS speed sensors are located at the wheel hub/rotor on four-wheel disc systems. Alternatively, on rear-drum applications, you'll usually find them mounted on the differential housing. ABS sensors provide information to ECU (electronic control unit). This is the way how anti-lock braking system obtains information when a wheel is about to lock up. One of the most common omissions in maintaining a modern Anti-lock Brake System (ABS) is checking out the speed sensors. ABS speed sensor supply information regarding wheel speed to the ABS computer. Under breaking, if wheel speeds are not equal, indicating wheel lockup, the computer modulates the anti-lock feature until the speeds are equal again. Important: Please check compatibility prior to purchasing. Cross-check OE reference numbers presented in this description against those found on your current unit. If you are not able to locate part numbers, please call local dealership (auto parts department), provide your vehicle information and obtain correct part number(s). Feel free to contact us if you have any questions. Thank you for visiting my sale! Payment: We prefer PayPal as a payment method; If you don't have a PayPal account you can use your credit/debit card to complete the transaction; The item ships upon complete payment. Shipping: Each item ships within 48 hours upon cleared payment; Shipping is by USPS Priority Mail - delivery time within continental US 2-3 business days; Confirmation email along with the tracking number automatically sends to buyer's email address associated with the transaction; If you didn't receive confirmation email from us it means that your email box provider (Yahoo, AOL, Hotmail etc.) filtered this message to Junk or Spam folder - check it out! We try our best in order to contact buyers in regards of the transaction and answer all messages in time! 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