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If you are unsure about compatibility with your specific X3 model or trim level
Installation Guide
BMW S54 — available now from R44 Performance
Designed for B58 and B48 turbocharged engines
particularly those with high horsepower configurations or engaged in rigorous track activities
Supersprint Alpina E30 B3 Stainless Steel Rear Exhaust "S-Bend" OO70( for Alpina / M-Technik 2 ) hasOrderDeadlineAppOverride If you are unsure aboutThe Supersprint Rear Exhaust "S Bend" OO70( for Alpina M Technik 2 ) is a precision, direct fit stainless steel upgrade engineered for the Alpina E30 B3. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your Alpina a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by
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