Ignitions and Electrical› Charging Systems

BMW Genuine Parts

Alternator

$223.44

SKU: 51483451622

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The BMW Genuine Parts 51483451622 is a sound insulating engine hood designed as a direct replacement part. It is manufactured by BMW and is also known as insulation.

This part replaces part number 51-48-3-400-049 and is guaranteed by BMW's factory warranty.
Show original supplier description
The BMW Genuine Parts 51483451622 is a sound insulating engine hood, specifically designed to fit as a direct replacement for the original component. Manufactured by BMW, this part also goes by the name "Insulation" and serves to reduce noise and heat within the engine bay. This component is a direct fit for 2004-2010 BMW X3 models, including the 2.5i (E83), 3.0i (E83), and 3.0si (E83) submodels. It replaces the older part number 51-48-3-400-049, ensuring compatibility and ease of installation for owners looking to restore or maintain their vehicle's original sound deadening properties. The product is constructed with reliable materials engineered by BMW to withstand years of use and provide long-lasting performance. As a genuine BMW part, it comes with the assurance of the manufacturer's factory warranty, guaranteeing its quality and fitment.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBMW Genuine Parts
Part Number51483451622
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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