Buick Rainier (2004 - 2007)
Engine & Gearbox ECU & TCU Remapping


We offer a range of ECU tuning and remap options for the Buick Rainier. Below is a list of Buick Rainier engines categorised by fuel type that we support for remap. Click the Buick Rainier powertrain for further information. If you cannot find your vehicle in the list, contact us for more information.

Buick Rainier (2004 - 2007) Petrol Engine & Gearbox Remaps

4.2 V8 279hp5.3 V8 294hp5.3 V8 304hp

Can't find your car?

Whilst we do our best to keep this list up to date, we're adding newly supported vehicles all the time. If you cannot find your what you're looking for, drop us an email!