Library

Series

Editorial - F22 M235i - BMW Car Club 'M235i: To Modify or Not?' - Sept 2018

"After a lot of research, it came down to two companies, AC Schnitzer and Birds. Both companies' offering was of a similar price but I opted for Birds and for two reasons. Firstly, the Birds set-up only drops drive height by 5mm, so...
Testimonial - B-Series Sport Suspension - F21 M140i - Mr Lamb

Morning Kevin

Just wanted to extend a big thank you to you and your team for transforming my car into something that I now love rather than like. The difference to its handling and ride quality is astonishing. Had a great drive home, but...
Video - Birds M135i Complete Conversion vs BMW M2 - Autocar Magazine

Autocar and Birds have collaborated over the past 6 months on a project car, a BMW F21 M135i, by upgrading many different aspects of the model which are all included in the Birds B1 Complete Conversion package.

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Testimonial - B1 Dynamics Package - E82 135i - Mr Field

Kevin

Extremely wet track day a Croft on Monday car performed faultlessly

Hopefully there is an image attached

Many thanks to you and your staff
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Editorial - F20 M135i - Birds B1 review and M2 comparison - Autocar - March 2018

"Our M135i out-punches the M2 by 25bhp and 51lb ft of torque, so it feels stronger through the mid-range and more urgent near the redline. But with less power to deploy to the road, and wider tyres with which to do it, the M2 does have...
Editorial - F20 M135i - Birds B1 development complete, upcoming M2 comparison - Autocar Magazine - February 2018
Testimonial - B1 Complete Conversion - E82 135i - Mr Field

Kevin

Just a quick note to thank you and your staff for the work done on the car, it does indeed feel a different vehicle, the crashing about over bumps and jumping around has disappeared, the...
Testimonial - B-Series Sport Suspension - E89 Z4 30i - Mr Wilkinson

Hi Kevin, I was home this last weekend for an unplanned visit and was able to try the car. The change is remarkable, with so much more compliance to the suspension and the car feels much more stable and planted,...
Editorial - F20 M135i long-term review before and after Birds B1 upgrades - Autocar Online - January 2018

"Working with BMW tuners Birds, we’re going to replace the standard, under-specified suspension with much higher-quality Bilstein components tuned specifically for the M135i, we’re going to fit a Quaife limited-slip differential...
Testimonial - B Series Sport Suspension - F22 M240i - Mr Hattersley Part 2

Dear Kevin,

After several months I continue to be surprised and delighted by the B2 suspension package. Being unable to find a winter tyre and rim combination that I liked I eventually changed the...