which displaces . It produces a Deutsches Institut für Normung (DIN) rated output of @ 6,000 rpm, and generates @ 3,200 rpm of torque. It was introduced in the Opel Vectra/Vauxhall Cavalier (both codenamed "Vectra-A") and Opel/Vauxhall Calibra. It features Bosch Motronic 2.8.1 engine management (omega) then M2.8.3 (calibra 1994, vectra 1995) in 1994 approx. and a compression ratio of 10.8:1. For 1994, in order to meet more stringent emission requirements, a secondary air injection system, and an EGR valve were added to the C25XE and it became the X25XE. The exception being the 1997 Calibras, which, due to unavailability of C25XE engine blocks, were produced using the X25XE block but without modifications to the top end of the engine, and without addition of EGR. The X25XE also benefitted from higher volume oil pump. Firing order is 1-2-3-4-5-6 The breakdown of the engine name is as follows: X - Exhaust Emissions Level: 94/12/EC, stage 2 25 - 2.5 Litre displacement X - Compression Ratio - 10.0:1-11.5:1 E - Mixture System - Injection Applications: Holden VS Commodore (export only) 1993-1997 Opel Calibra 1994-2000 Opel Omega B 1993-1995 Opel Vectra A 1995-2000 Opel Vectra B 1993-1998 Saab 900 1993-1995 Vauxhall Cavalier MSD version A special edition of the X25XE was worked by Motor Sports Developments (MSD); which includes reprofiled camshafts, giving the engine an increase of . This engine appeared in two special edition Vauxhall Vectras, first the Vectra ST200 (Not the normal SuperTouring), and then the Vectra 2.5 GSi V6. Applications: Vauxhall Vectra ST200 Vauxhall Vectra 2.5 GSi 3.0 The X30XE, L81, B308I, or B308E has a bore and stroke which displaces with a compression ratio between 9.5:1 and 10.8:1. The naturally aspirated version of the engine produces between , and @ 6,000 rpm with to @ 3,400 rpm. The B308E is a slightly modified X30XE used in the Saab 9-5. Engine management systems are Bosch Motronic M2.8.1, and later (approx. 2000) M2.8.3. Firing order is 1-2-3-4-5-6. X - Exhaust Emissions Level: 94/12/EC, stage 2 30 - 3.0 Litre displacement X - Compression Ratio - 10.0:1-11.5:1 E - Mixture System - Injection Applications: 1997–2001 Cadillac Catera 1996–2000 Opel Sintra 1995–2000 Opel Omega 1995–1997 Saab 9000 2000–2005 Saturn L-Series 2002–2003 Saturn Vue B308E For 1997, Saab introduced a turbocharged version called the B308E for their 9-5 model. The engine produced at 5000 rpm and of torque at 2500-4000 rpm. The engine was