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BMW – 4 Series – 420i – 2013 – 2020
Used on Stage 1/2/3 cars
Recommended break in period is 500 miles
both the DSG transmission’s oil and the engine’s coolant can reach temperatures that are too high to offer sufficient cooling protection properties
Improved response and soundtrack
RamAir SR Performance Intake Foam Air Filter Kit - BMW 3 Series 320i E36 (1991-1994) manufacturer-Mitsubishi BMW – 4 Series –Ramair SR induction kits are designed to eliminate the major sources of air flow restriction that your vehicle experiences from the factory intake system. Ramair guarantees that by replacing your restrictive OEM intake system with an aftermarket Ramair component you will see an increase in power and throttle response. The CC filters supplied with our SR kits are made from our twin core Ramair Aeriform foam and T304 stainless steel cage which is used
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