Flash your ECU and unleash the power your BMW was meant to have.
CARB certified for sale in all 50 states For BMWs with a model year up to 2011 only, will not work with 2012+ models
This sealed intake system utilizes an oil-free, large 5" tall conical 360 degree radial flow performance air filter with 3-Layer progressively finer porosity synthetic media for maximum convenience
Brand:
ES#:
3612872
Mfg#:
51-31912
In Stock
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$356.99
This product was last offered at the strikethrough price on 09-16-2026
The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
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Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
