JHM - Supercharger Upgrade Kit for B6 - B7 S4 and C5 allroad 40v, Stage 1+ Upgrade with complete air to water intercooler - requires battery relocation kitThis kit will give you the ultimate performance from your B6 B7 S4 or C5 allroad 4. 2l with a stock engine with long term proven reliability. This kit upgrades our stage 1 supercharger kit to a air to water intercooled setup with MUCH colder air and similar boost. This allows for more consistent power in hotter weather and more power in colder weather. We have been running this kit since 2012 on stock engines and have found this is far as you want to

and manual modes

and overall power to the engine

Elring is already established as one of the greatest producers of parts for European vehicles including luxury makes such as BMW

OE Part # 12311735915 / 12-31-1-735-915 / 12 31 1 735 915

URO Parts components are ideal for both professional and DIY vehicle repair

3015-32118

If you want more information please visit our warranty page

TIG-Welded:100% TIG-Welded for race-proven strength and durability

5 full flow aluminum intake

Additional information about this process can be found in the user manual as well as the FAQ

Part #'s8K0-407-689-G / 8K0407689 G / 8K0 407 689 G / 8K0407689G8K0-407-689-D / 8K0407689 D / 8K0 407 689 D / 8K0407689D8K0-407-689-F / 8K0407689 F / 8K0 407 689 F / 8K0407689F8K0-407-689-E / 8K0407689 E / 8K0 407 689 E / 8K0407689E4G0-407-689 / 4G0 407 689 / 4G0407689

Each unit is tested for up to 1