BMW tuning specialists Birds are well-known for their expertise in the art of ride and handling, and are now pleased to announce the release of their customised Bilstein-based B4x Sport Suspension upgrade for the F32 435dx.
Just wanted to say thanks to you and the team at Birds for dealing with me and the car so well yesterday. Having been up at 3am in order to ensure I was with you by 8.30am having...
The ride is really good. The general poise of the car is better and the car still takes bumps pretty well. The ride height change has not only dramatically changed the...
Thank you very much - first impressions are totally as you said, a completely different machine! The suspension is much more compliant whilst remaining sporty and the steering has...
