"The Quaife diff sits alongside the suspension as a must have for anyone thinking about modifying an M235i or M240i. Not merely because it allows big silly skids, but because it works with the chassis to better deploy the engine's ample...
Hi James,
2 x BMW M140i - B1 Suspension upgrades -
I've now had a chance to do some testing since having the Bird's B1 suspension fitted on my two M140is, and I've found that the difference in handling and ride quality...
I just want to say a big thank you, to you, your dad & all the team at Birds Auto for the installation of my Quaife LSD. Even though it was a round trip of 500 miles it was defiantly worth the...