Mail-in repair service for qualifying BMW and MINI convertible rollover-protection controllers displaying internal-fault code 9402.

Supported applications may include BMW E88, E93 and E64 chassis and select MINI convertibles. Contact Tuning Dynamics before ordering to confirm the module and shipping requirements.

Tuning Dynamics ordering note: Ordering, shipping, scheduling, and customer support for this listing are handled through Tuning Dynamics. Contact us before ordering if vehicle, module, or service eligibility is uncertain.

Complete technical and service information

ROLLOVER Controller - ROC Repair

Basic Information:

Convertible Models of E series BMWs and Mini have separate controller/sensor for Rollover Protection(ROC),

these models are:

• BMW 1 series - E88

• BMW 3 series - E93

• BMW 6 series - E64

• Mini Convertible

This controller is an essential member/subsystem of vehicles safety system, and is responsible to detect and activate guards for rear passengers in case of cars rollover.

Often, when cars battery is replaced or reset, or gets flat, this controller goes bad, and safety system (Airbag module, also known as MRS or ACSM) registers error:

9402 Rollover-protection controller: internal fault

We offer repair of these modules.

You will need to send us failed module, we repair and ship it back.

As majority of our services, it is same day turnaround

You can find ROC module at this locations:

E93

E88

E64

Mini Convertible

** Please keep in mind, The shipping type you choose during checkout, is for return shipping only.