| E53 | Engine Management Software, 214bhp | X5 3.0d (based on 184hp version) | £833 | £1,044 |   | 
          
                  | E53 | Anti Roll Bar Kit | ALL | £507 | £1,033 |   | 
          
                  | E53 | Quaife Installation Instructions | ALL | N/A | N/A |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 4.8is, X5 4.6is, Front diff. | £996 | £1,522 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0d Front diff. | £996 | £1,522 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0i auto, 4.4i Auto Front diff | £996 | £1,522 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0d Manual Rear Diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0d Auto Rear Diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0i Auto rear diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0i Manual rear diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 4.6is, X5 3.0d Auto Rear diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 4.4i Auto Rear diff. | £919 | £1,445 |   | 
          
                  | E53 | Quaife BMW Limited Slip Diff. Kit | X5 3.0d Manual Rear Diff. | £919 | £1,445 |   |