Dinan

It's no secret among 335 owners that while the cars perform admirably, they tend to run a bit on the warm side. This appears to be true even with the cars equipped with the factory oil cooler; and in...

It's no secret among 335 owners that while the cars perform admirably, they tend to run a bit on the warm side. This appears to be true even with the cars equipped with the factory oil cooler; and in...

It's no secret among 335 owners that while the cars perform admirably, they tend to run a bit on the warm side. This appears to be true even with the cars equipped with the factory oil cooler; and in...

It's no secret among 335 owners that while the cars perform admirably, they tend to run a bit on the warm side. This appears to be true even with the cars equipped with the factory oil cooler; and in...

BMW 1M comes from the factory with an auxiliary radiator smaller than a half sheet of paper. It will do little to keep the "limp mode" or heat soak away during a track day. The Dinan High Capacity...

Controlling operating temperatures becomes even more significant when you consider increasing boost pressure, which in addition to added power output also generates more heat. Recognizing the...

Controlling operating temperatures becomes even more significant when you consider increasing boost pressure, which in addition to added power output also generates more heat. Recognizing the...

Dinan’s underdrive pulley is designed to increase power by reducing parasitic drag on the engine from spinning the alternator, water pump and AC compressor. This is accomplished by slowing down the...

Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13%, reducing parasitic drag on the engine for a 6 horsepower and 4 lb-ft torque gain.The Dinan underdrive...

Dinan's billet short-shifter kits effectively reduce the amount of throw necessary to make gear changes providing a sportier feel. Larger BMW models with larger gear boxes require more leverage to...

Dinan's billet short-shifter kits effectively reduce the amount of throw necessary to make gear changes providing a sportier feel. Larger BMW models with larger gear boxes require more leverage to...

Replacement Air Pump Filter for the E6x M5/M6 High Flow Air Mass Meter/Intake Assemblies. This is the little filter near the back of the housing for the air pump.2006-10 E60 M5 Sedan, 2006-10 E63 M6...