1991—2000 System Partner
| 1991 | Merger of the iron and steel activities of MAHLE GmbH with J.Wizemann GmbH & Co. to form MAHLE-Wizemann Group |
| 1992 | Series production of pistons with GRAFAL® skirt coating |
| 1993 | Acquisition of remaining shares in Knecht Filterwerke GmbH Oil filter module with filter inserts and plastic cover |
| 1994 | Establishment of MAHLE Pistones S. de R.L. de C.V., Mexico—now MAHLE Componentes de Motor de México, S. de R.L. de C.V. Merger of MAHLE-Wizemann Group with Pleuco GmbH to form MWP MAHLE-J.Wizemann-Pleuco GmbH—now MAHLE Ventiltrieb GmbH, Germany Introduction of Micro-Star® cabin air filters |
| 1995 | MAHLE 142 and MAHLE 145 piston alloys go into series production Funnel-type cooling channel pistons enter series production |
| 1996 | Majority holding in Metal Leve S.A., Brazil—now MAHLE Metal Leve S.A. Joint venture MWP Migma Ltd.—now MAHLE Engine Components India Private Limited Start of robot-aided medium-pressure die casting for the production of ceramic fiber-reinforced pistons First prize from the Federation of German Industry for MAHLE's ecological oil filter concept |
| 1997 | Takeover of the piston ring activities of Cofap S.A. with locations in Brazil and Portugal—now MAHLE Componentes de Motores do Brasil Ltda. Joint venture Kirloskar Knecht Filters Private Ltd.—now MAHLE Filter Systems India Private Limited Joint venture Knecht Duroplast Sistemas de Filtración S.A. de C.V.—now MAHLE Sistemas de Filtración de México S.A. de C.V., Mexico Series production of air intake modules |
| 1998 | Establishment of MAHLE Spolka z o.o.—now MAHLE Polska Spolka z o.o., Poland MAHLE 174 alloy for high-load aluminum diesel engines goes into series production |
| 1999 | All majority-owned companies of the MAHLE Group are renamed to include "MAHLE" Establishment of MAHLE Filtersysteme GmbH (previously Knecht Filterwerke GmbH) and MAHLE Ventiltrieb GmbH (previously MAHLE-J.Wizemann-Pleuco GmbH) Joint venture MAHLE-Izumi (Liaoning) Piston Co., Ltd., China—now MAHLE Bearings Engine Components (Yingkou) Co., Ltd. Establishment of MAHLE (Nanjing) Piston Co., Ltd., China—now MAHLE Engine Components (Nanjing) Co., Ltd. Acquisition of a majority holding in CIVA Compagnia Italiana Valvole S.r.l., Italy—now MAHLE Valve Train Italia S.r.l. Acquisition of a majority holding in WSM Krotoszyn S.A.—now MAHLE Polska Spolka z o.o., Poland Joint venture Donghyun MAHLE Filter Systems Co., Ltd.—now MAHLE Donghyun Filter Systems Co., Ltd., South Korea Passenger car pistons with FERROPRINT® skirt coating go into series production |
| 2000 | Forged steel MONOTHERM® pistons produced in series Pistons with cooled ring carrier for passenger car diesel engines enter series production |
