Chiptuning files » Solutions » Catalyst off » BMW » Z3

Catalyst off for BMW Z3

Catalyst monitoring by the lambda (O2) sensor is switched off so a sport catalyst or decat does not raise fault codes. 14 engines.

BMW Z3 engines with Catalyst off

Engine	Generation	Fuel	Stock	ECU	Read tools
20	1999 2003	Petrol	150 hp	Siemens/Continental MS42	Autotuner
28	1999 2003	Petrol	193 hp	Siemens/Continental MS42	Autotuner
2.3	1998	Petrol	173 hp	Siemens/Continental MS42	Autotuner
1.8i	1995	Petrol	115 hp	Bosch ME9.2	Autotuner
1.8i	1995	Petrol	118 hp	Bosch BMS46, Bosch M5.2
2.0i	1995	Petrol	150 hp	Siemens/Continental MS42
2.2i	1995	Petrol	170 hp	Siemens/Continental MS43, Siemens/Continental MS45	Autotuner
2.5i	1995	Petrol	186 hp	Siemens/Continental MS43, Siemens/Continental MS45	Autotuner
2.8i	1995	Petrol	193 hp	Siemens/Continental MS41, Siemens/Continental MS42
3.0i	1995	Petrol	231 hp	Siemens/Continental MS43, Siemens/Continental MS45, Siemens/Continental MSV80	Autotuner
30i	1995	Petrol	231 hp	Siemens/Continental MS43, Siemens/Continental MS45	Autotuner
3.0L 24v	1995	Petrol	231 hp	Siemens/Continental MS45	FLEX
M 3.2	1995	Petrol	321 hp	Siemens/Continental MSS50, Siemens/Continental MSS54
M 3.2	1995	Petrol	325 hp	Siemens/Continental MSS54

Other modifications for BMW Z3

Results vary per vehicle, and what is possible can differ per software version. This applies to every modification we deliver, for the ECU and for the TCU. Upload your original file to check what is available for your vehicle.

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