BMW 320i Parts & Accessories

BMW 320i Parts & Accessories

The BMW 320i is the heart of the 3 Series lineup across generations from the E21 through the G20, balancing performance, practicality, and strong aftermarket support in one of the world's most popular enthusiast platforms. Whether you drive an E30 vintage 320i or a modern turbocharged G20, a massive parts ecosystem backs every build.

Popular Upgrades

Cat-back exhaust systems deliver improved sound and flow across all 320i variants. Cold-air intake kits add throttle snap on the turbocharged B48 and N20 engines, while coilover suspension and upgraded sway bars transform chassis dynamics for street and track use. Quality brake pads and braided lines complete a well-balanced performance package.

What engines have been used in the BMW 320i?

The E21/E30 320i used M20 six-cylinders; the E36 and E46 used M50/M52/M54; the E90 received the N46 or N52; the F30 used the turbocharged N20 and later B48; the G20 uses the current B48B20 producing 184 hp. The turbocharged modern variants respond best to ECU tuning and intake upgrades.

Is a Stage 1 tune worthwhile for the F30/G20 BMW 320i?

Yes. The N20 and B48 respond very well to Stage 1 ECU remapping, typically gaining 30-40 hp and 50-70 Nm. The hardware remains unchanged, making Stage 1 one of the most cost-effective power upgrades available for the 320i. Pair with a performance intake for the best results.

Find the right 320i parts at Black Ops Auto Works. Browse our exhaust, suspension, and air intake collections.