Sale

BMW Turbo

Catalytic Converter Gasket

$29.85 $6.71 Save $23.14

SKU: 18307553601

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The BMW Catalytic Converter Gasket, part number 18307553601, is a Genuine BMW component manufactured in Germany to meet stringent quality standards. This essential gasket serves to seal the connection between the turbocharger and the downpipe, which leads to the catalytic converter. Its primary function is to prevent exhaust gases from leaking at this critical junction, ensuring that all exhaust gases pass through the catalytic converter for effective emissions control. Symptoms of a failed gasket can include audible exhaust leaks, such as hissing or popping sounds, particularly under acceleration, and a noticeable exhaust odor due to escaping pollutants. This gasket is compatible with a wide range of BMW models, including various iterations of the 135i, 335i, 335xi, 535i, and more, typically those equipped with N54, N55, N63, or S63 engines. It is crucial to verify fitment for specific year, engine, and drivetrain configurations.

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 Turbo
Part Number18307553601
CategoryExhaust
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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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