Transfer Case Servo Motor Repair Kit – BMW E60 E90 ATC300 | OEM 27107546671Transfer Case Servo Motor Repair Kit BMW E60 E90 ATC300 OEM 27107546671 Fix xDrive Faults on Your BMW E60 or E90 Rebuild the ATC300 Servo, Not Replace It. The ATC300 transfer case servo motor is the actuator that controls AWD torque split on BMW E60 and E90 xDrive models. When it fails, you get xDrive fault codes, warning lights, and loss of 4WD function. A new unit costs $200$400+. This kit rebuilds the original servo replacing the internal gears and

idle tremors

Common symptoms include oil consumption

A failed valve cover diaphragm on the 2

Uses a focused membrane-only repair approach

06B133619A Intake Manifold Flap Diaphragm 2306933111 for Audi VW 2

Application focus: Audi / Volkswagen / Skoda valve cover ventilation systems

engine code and intake manifold design

A2292700007

Audi A4 / S4 / Avant / quattro 2001–2005

BMW 3 Series E91

Compare the original diaphragm design before installation

Risk of broken swirl flaps entering the engine