Looking to increase the power on your BMW 135i and 335i with the N55 single turbo engine. Install the Active Autowerke 135i N55 Downpipe and unleash the true power that is hidden in your BMW 135i and 335i. The turbo is often described as a device ...

Special Note RACING ONLY PART. Dinan’s high performance Racing Rear Toe Links add precision and predictability at the limit. The stock rear toe link is built with rubber bushings and a curved foraged alloy rod which is designed to flex. ...

Special Note The Dinan High Capacity Oil Cooler, High Performance Intercooler, and Dinan Large Compressor Turbos are required for Stage 4 performance software.  RACING-ONLY PART. NOT EMISSIONS LEGAL. NO DINAN WARRANTY. The ultimate software ...

Product Description Add a Lightweight Tubular Adjustable Front Anti-Roll Bar to reduce body roll, improve grip and stability while saving weight at the same time.  The Lightweight Tubular Adjustable Front Anti-Roll Bar is 42% lighter ...

Special Note RACING ONLY PRODUCT. Compatible with BMW non-EDC shocks. For the enthusiast that needs adjustable ride height the Dinan® Coil-Over Suspension is for you. Dinan's design keeps the factory Electronic Damper Control shocks in ...

Special Note This kit requires the deletion of the auxiliary radiator in the front left of the car. A Dinan High Capacity Oil Cooler is required to maintain adequate engine cooling and warranty coverage. As boost is increased through the use of ...

Product Description Dinan's free flow exhaust for the 1 Series M is sporty, just as it should be. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than stock. Improve performance ...

Product Description Dinan's free flow exhaust for the 1 Series M is sporty, just as it should be. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than stock. Improve performance ...

This version of the Free Flow Exhaust for the 1 Series M is 100% bolt-on with no cutting and no welding. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than stock. Improve ...

Product Description This version of the Free Flow Exhaust for the 1 Series M is 100% bolt-on with no cutting and no welding. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than ...

Special Note The Dinan High Capacity Oil Cooler and High Performance Intercooler is required for Stage 3. Power: Being only 1 lb-ft and 14 hp short of a stock M3 in a package that costs less to buy, fill with gas and insure it is the perfect ...

Dinan® Stage 2 Performance Engine Software safely increases turbo-boost pressure, along with properly retuned fuel mixtures, ignition timing and full map rescaling. Dinan’s software also removes the top speed governor so the BMW will be ...