What kind of engine does the BMW E46 have?
The E46 was the first 3 Series to be available with an engine using Valvetronic (variable valve lift). Various electronic features were also introduced to the 3 Series in the E46 generation, including satellite navigation, electronic brake-force distribution, rain-sensing wipers and LED tail-lights.
Is there a racing series called the Spec E46?
In the United States, the National Auto Sport Association organises a “Spec E46” amateur racing series. The Spec E46 cars are built to a standard with minimal modifications, to create increased competition between drivers.
What’s the difference between BMW 3 Series and E46?
The exterior styling has several differences to the rest of the E46 3 Series range, notably the distinctive headlights and tail-lights. Mechanically, the Compact shares many elements with the rest of the E46 range, however the steering rack has a faster ratio.
Is the BMW M54 a high performance engine?
The M54 topped the Ward’s 10 Best Engines list in 2002 and 2003. The BMW S54 is the equivalent high performance engine, which was used in the E46 M3, the Z3 M Coupe/Roadster and the Z4 M. The BMW M56 SULEV engine is based on the M54. The M54 began to be phased out following the introduction of the N52 in 2004.
How tall are the Pistons on a BMW E46 M3?
Also applied reinforced forged connecting rods (length 139 mm), new high compression pistons (CR=11.5), their compression height 32.3 mm. The pistons are cooled by oil spray nozzles.
What’s the difference between the BMW E36 and E46?
The body shell of the E46 was claimed by BMW to be 70% more rigid than its E36 predecessor. Aluminium was used for an increased quantity of suspension components, in order to decrease unsprung mass. However, with a curb weight of 1,450 kg (3,197 lb), the E46 328ci is 55 kg (121 lb) heavier than the E36 equivalent.
