Dinan 97-03 BMW 540i Protection Sock

Replacement Air Filter for Dinan Cold Air Intake. Compatible w/ Dinan Cold Air Intake - E38/E39/E53 Deep pleats in multi-layered cotton for increased flow and superior filtration Steel wire mesh...

Replacement air filter protection sock. E36/E37/E39/E46 Protects filter from damaging debris that could restrict air flow Increases service interval of your filter Dinan logo imprinted on sock

Replacement air filter for Dinan High Flow Carbon Fiber Intakes (D760-0056 & D760-0068). F95/F96/G01/G02/G05/G06/G07/G11/G12/G14/G15/G16/G30/G32 Custom molded ends allowing for optimum filter...

While sound is undoubtedly important for a large swath of consumers, performance enhancements are equally as important to others. Common to all Dinan intake design, improvements upon the factory...

Dinan's Performance Spring set for the G30 540i (RWD) provides greater control over body roll by virtue of carefully calibrated spring rates. Additionally, Dinan lowers the 540i by a 7/8" in the...