Dinan Performance Engine Software - BMW 1999-2000 E46 328I 2.8LDinan Performance Engine Software unleashes more power by re programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore, the software safely raises the rev limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle making extra power available where you spend the bulk of the time driving. The top speed governor has also

04E-103-485-A / 04E103485 A / 04E 103 485 A

"native fitment" kit for 1- and 5- series cars / Optional y-pipe available for 3-series

This Spring requires Ferrea Titanium Retainer #E11031 and Ferrea Spring Seat Locator #SL1025 (Discard OEM Spring Seat Locator)

Increases power and throttle response

25 mmTravel: 2

Mates to the factory hoses and a perfect OEM fitment

Stock FMIC: 12

The three settings offer a stiffness increase from 56% to 113%

Very high quality units with anti-rust metal clips on back and seal to prevent leaks

8K0-819-439-A / 8K0819439 A / 8K0 819 439 A / 8K0819439A

Default Spring Rates:Front 12k Rear 10k

OE Part # 32106777504 / 32-10-6-777-504 / 32 10 6 777 504