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$50 OFF ORDERS OF $450 OR MORE -- CODE: 50OFF450
$50 OFF ORDERS OF $450 OR MORE -- CODE: 50OFF450
N55INT-G
The BMW N55 Turbo Inlet Gasket is the O-ring seal that sits between the intake tract and the turbo inlet on the stock N55 turbocharger. BMW OEM part number 13717599291 is the correct gasket for the E9X 335i, E82 135i, and E84 X1 35i. This gasket is also used on N20 and N26 applications that reference the same part number.
The ARM N55 Turbo Inlet Gasket creates an airtight seal between the intake boot and the turbo inlet so that all air entering the turbocharger is metered by the MAF sensor. When this gasket cracks, hardens, or is left out during service, unmetered air enters the intake tract before the turbo. The engine runs lean, boost becomes inconsistent, and throttle response suffers.
Skipping this gasket during a turbo inlet install is one of the most common causes of post-installation boost leaks on the N55 platform. It costs little to replace and can save hours of diagnostic work.
Also compatible with N20/N26 applications referencing OEM part #13717599291. Confirm fitment with your VIN if unsure.
| Make | Model | Submodel | Engine |
|---|---|---|---|
| BMW | E82 | 135i | N55 3.0L |
| BMW | E88 | 135i | N55 3.0L |
| BMW | E82 | 135is | N55 3.0L |
| BMW | E90 | 335i | N55 3.0L |
| BMW | E90 | 335xi | N55 3.0L |
| BMW | E92 | 335i | N55 3.0L |
| BMW | E92 | 335xi | N55 3.0L |
| BMW | E93 | 335i | N55 3.0L |
| BMW | E84 | X1 xDrive35i | N55 3.0L |
FREQUENTLY ASKED QUESTIONS
What does BMW part number 13717599291 fit? BMW part #13717599291 is the turbo inlet O-ring gasket for the N55 3.0T engine found in the E82 135i, E90/E92/E93 335i, and E84 X1 xDrive35i. It is also used on select N20 and N26 applications.
Do I need to replace this gasket when installing an aftermarket turbo inlet? Yes. Any time the OEM or aftermarket turbo inlet is removed and reinstalled, this gasket should be replaced. Reusing an old or compressed gasket is a common cause of boost leaks after inlet installations.
Is this gasket the same as the turbo-to-downpipe gasket? No. This gasket seals the intake side of the turbocharger, specifically between the intake tract and the turbo inlet. The turbo-to-downpipe gasket is a separate part on the exhaust side of the turbo.
How many gaskets do I need? One. The N55 uses a single turbo inlet gasket at this location. This product is sold individually.
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