Dinan Underdrive Pulley Kit for BMW | E9X | M3 (6/2008-2013 Only)Dinans 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 speed of these accessory drives that rob power from your engine. Dinan has done extensive hot weather testing so you can be assured that your engine is safe. The Dinan underdrive pulley is made of aircraft quality 6061 alloy, is anodized black and does not

however if it's out of your budget a used unit may be sourced and you will have to buy IE's oil pump drive gear and install it yourself

Option to turn off the POLAR Advanced FIS screen off making the unit undetectable when taking the car in for service or repair

Each application features linear race springs on the front and progressive barrel spring on the rear

Dampened 6 Puck Ceramic Disc Kit

Expect a slight increase in turbo sound as well - which can be enhanced even further at any point with the separate addition of our Sport Catalytic Converter

Installs under factory engine cover

completely uncorking the B9 A5

• Larger turbo inlet included

Sharper steering means more driver confidence and safety

3) Bump steer mitigation

35 mmLoad at Block Height: 29 lbs 130 NWeight: 0

This air intake kit provides all the necessary piping and couplers to plumb the intake system from the turbo to the MAF and then to the carbon intake lid