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.
The BMW ECU is very well tuned from the factory but can be vasty improved with BMW software upgrades including the Active Autowerke ECU tune for BMW. The Juice Box 3 software for the BMW 335 and BMW 135 is a great option to maximize power and work with your other BMW modifications. In addition, the PowerBox for BMW is a perfect alternative for non-turbo BMWs that need software tuning.
Finally, you can add EvoSport Pulleys for BMW or Active Autowerke Pulleys for BMW to maximize performance gains from other modifications. These work tremendously well with ECU tunes and are highly recommend for the BMW E92 M3 and BMW E46 M3.
BMW provides exceptional handling from the factory but caters to a wide customer base and thus can be improved upon. Coilovers are a popular upgrade over the factory BMW suspension that allows adjustability and customization. KW Coilovers, Bilstein PSS10 Coilovers and H&R Coilovers for BMW are all popular options for adjustable suspension.
H&R Springs are a great option for the standard shocks to lower the car and improve handling. These are affordable spring sets that compete with Eibach Springs for BMW. Finally, Koni and Bilstein make BMW shocks that are higher performing and maximize road feel. The Koni FSD Shocks for the E90 and E92 are one of the most popular BMW suspension modifications available that will improve performance without sacrificing usability.
BMW is known for their styling but there many BMW carbon fiber parts that you can add to reduce weight and improve styling. The Vorsteiner E92 Aero Bootlid is a great option to reduce weight and improve downforce. In addition, Vorsteiner manufacturers BMW carbon fiber hoods including the Vorsteiner V-35 Vented Race Hood for the 335 and the Vorsteiner E46 M3 Vented Race Hood. These provide maximum cooling and minimize weight for optimal performance.
BMW M3 Front Bumpers are a popular option for the BMW E92 335i to make your front end more aggressive. In addition, the BMW M Sport package for the E92 and E90 3-Series add style and sportiness to your BMW 3 series while maintaining the factory classy styling.
Most new Bimmers come from the factory with xenon headlights however you can improve the color with D1S Xenon Bulbs in 6000k or 8000k. In addition, you can replace the BMW LED License Plate Lights with a set of WeissLicht LED License Plate lights for maximum light output without errors. Finally, you can improve the interior with interior led lights for BMW such as the Interior Xenon Lighting kit. These are LED interior lights for BMW that will change the color and improve brightness.