Dinan High Flow Throttle Body - 1999-2003 BMW 540i/1999-01 740i/2000-2003 X5 Lug Bolts The Dinan dual core intercooler

The Dinan dual core intercooler provides a 278% increase in face area along with an equally impressive increase in volume

Dinan's Performance Spring set for the F97 X3M and F98 X4M provides greater control over body roll by virtue of carefully calibrated spring rates

The F10 M5 cold air intake allows cool outside air to be pushed into the engine via a pair of supplemental carbon fiber intake ducts located at the front of the engine bay

Longer lug bolts for use with wheel spacers

Dinan High Flow Throttle Body - 1999-2003 BMW 540i/1999-01 740i/2000-2003 X5 Lug Bolts The Dinan dual core intercoolerDinan's High Flow Throttle Bodies improve intake airflow for additional horsepower and torque gains. The internal diameter of the stock throttle body is bored larger increasing the airflow area. The resulting increase in airflow provides more horsepower and torque throughout the RPM range with noticeably quicker throttle response. The throttle body is 3mm larger for an 8% increase in airflow area (Stock bore 79. 5mm; Dinan bore 82. 5mm).