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E60/E61 5 Series Quaife ATB Limited-Slip Diff SPECIAL OFFER

Birds are currently offering a special discount on our Quaife Automatic Torque-Biasing limited slip-differentials for the BMW E60/E61 5 Series models,...

Hi Guys

Just wanted to let you know, that i received the finale drive and everything went down perfectly. Fast shipping i must say, thank you for that.
Also i want to say i'm very pleased and surpriced of how it does transform...

Date: 17/10/19

Grip unlocked, the Quaife has totally transformed the way the car feels.

Before the diff was fitted, hard acceleration in Sport+ resulted in the car waggling the back end all the way down the road with the traction...

Date 10/04/19

Dear Kevin,

I just wanted to say that the B-Series Sport Suspension Kit which you installed on my M140i has transformed the overall handling in all departments. A great success! I am enclosing £3.50 being the...