BMW's iconic 'M' range is synonymous with breath-taking performance and exhilarating design, both inside and out. With the extensive range of M Performance parts available for your BMW M car, you can now take BMW's iconic look to the next level through a range of impressive extras.

At Williams BMW, for a limited time only, we are including an M Performance kit with the purchase of any new M3, M4, M5, M8, X5M and X6M.

Not only will the parts be free of charge, they will be fitted to your BMW vehicle prior to collection.

The M Performance kits typically retail for between £2,000 and £4,000 (dependant on model), giving you an idea of just how much you are saving with this offer!

Explore the M Performance kits available for the various M models below.

Please note, if there is a particular part from the M performance kit that you would prefer not be included with your car, this can be specified in your order.


Williams M Edition includes £3,987 worth of complimentary M Performance parts:

  • Carbon front splitter
  • M Perfomance side decals
  • 2 x Carbon air breather
  • 2 x Carbon rear winglet

48 Monthly Payments: £960
Customer Deposit: £8,999.00