BMW vehicles are best known for their well performing german bred engines and exceptional handling tested and refined on the famed Nurburgring. Despite over 60 years of automobile perfection in creating the Ultimate Driving Machine, there are many BMW Modifications available for your 3 Series, 1 Series, 5 Series, M3 and M5.
The factory BMW wheels are designed to be sporty but are typically heavy and plain looking. There are many aftermarket BMW wheels available including sporty factory style replacements such as the Velocity Motoring VB3 CSL Wheels for BMW. These are cast wheels that are a great upgrade to the factory BMW wheels and will set your car apart from the rest.
If you are looking for a custom set of forged wheels for BMW, you can go with ADV Wheels, DPE Wheels, HRE Wheels, Vorsteiner Wheels and a few other high end manufacturers. These aftermarket BMW Wheels manufacturers provide custom 3 piece forged and 1 piece forged wheels that will allow you to specify the sizing and color combination for a truly unique style. In addition, the forging process provides for a stronger and lighter wheel than the factory bmw wheels provide. This will reduce unsprung weight for your BMW M3 and improve acceleration.
BMW's famed inline 6 cylinder engine is a great performer from the factory but there are a variety of BMW Modifications available to improve response and performance. BMW Cold Air Intakes are a popular BMW modification that will improve flow and performance that translates to dramatic changes in response and power output. The OE BMW Intake system is designed to reduce sound output, conform to emissions standards and above all else, reduce manufacturing costs. aFe Power BMW intake systems are designed to improve flow and maximize efficiency over the stock air intake system. aFe filters are available in the Pro5R oiled or Pro Dry S dry element depending on whether you want maximum flow or minimum maintenance.
The BMW Performance Exhaust is a good choice if you are looking for a deeper grumble but there are a variety of BMW aftermarket exhausts that are much better for power output and sound. Remus exhausts for BMW are well known as direct OE replacements that conform to strict German road safety standards. In addition, Eisenmann, Active Autowerke and Vorsteiner all produce high performance bmw exhaust systems that will dramatically improve flow, performance and sound on your BMW E92 M3.
The best upgrade will be a BMW supercharger system like the VF Engineering Supercharger Kit for the E46 M3. This is a complete system that will take your BMW E46 M3 to the next level in terms of power gains and performance.