Fuel still injected on overrun ignites in the exhaust and gives the crackle sound. Intensity can be set: soft (burbles), normal, hard or flames.
24 of the 24 BMW vehicles with this unit
| Vehicle | Generation | Fuel | Power |
|---|---|---|---|
| 3 Series 320i | E46 1998 - 2005 | Petrol | 150 hp |
| 3 Series 320i | E46 1998 - 2005 | Petrol | 170 hp |
| 3 Series 323i | E46 1998 - 2005 | Petrol | 170 hp |
| 3 Series 20ci | E46 1998 - 2005 | Petrol | 170 hp |
| 3 Series 325i | E46 1998 - 2005 | Petrol | 192 hp |
| 3 Series 330i | E46 1998 - 2005 | Petrol | 231 hp |
| 5 Series 520i | E6x 2003 - 2010 | Petrol | 170 hp |
| 5 Series 2.2i | E6x 2003 - 2010 | Petrol | 170 hp |
| 5 Series 2.5i | E6x 2003 - 2010 | Petrol | 186 hp |
| 5 Series 525i | E6x 2003 - 2010 | Petrol | 192 hp |
| 5 Series 523i | E39 1995 - 2003 | Petrol | 170 hp |
| 5 Series 20i | E39 1995 - 2003 | Petrol | 170 hp |
| 5 Series 525i | E39 1995 - 2003 | Petrol | 192 hp |
| 5 Series 530i | E39 1995 - 2003 | Petrol | 231 hp |
| X3 2.5i | E83 ... 2010 | Petrol | 192 hp |
| X5 3.0i | E53 2000 - 2007 | Petrol | 231 hp |
| X5 30i | E53 2000 - 2007 | Petrol | 231 hp |
| Z1 2.5 l6 | All | Petrol | 170 hp |
| Z3 2.2i | 1995 | Petrol | 170 hp |
| Z3 2.5i | 1995 | Petrol | 186 hp |
| Z3 3.0i | 1995 | Petrol | 231 hp |
| Z3 30i | 1995 | Petrol | 231 hp |
| Z4 2.2i | E85 2003 2009 | Petrol | 170 hp |
| Z4 2.5i | E85 2003 2009 | Petrol | 192 hp |
Also listed: Alientech KESS3, Alientech KESSv2, Alientech K-TAG, Flashtec CMD, Dimsport New Genius, bFlash.
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