Dinan

• BMW 3 Series / 4 Series (B58 and S58)
• BMW M3 / M4 (S58)
• BMW X3 / X4 M (S58)
• BMW X5 / X6 / X7
• MINI Cooper / Cooper S
• Toyota GR Supra (B58)

• Cold air intakes
• Carbon fibre intake tubes
• Resonator delete pipes
• Axle-back exhausts

DINAN has been building BMW-specific performance parts since the 1970s and it shows in the fit and finish. Their intakes and carbon tubes are engineered around BMW's factory turbo and intercooler piping, so there's no guesswork on B58 or S58 applications. We stock DINAN over generic universal kits because the parts arrive dialled in, the resonator deletes give a noticeable exhaust note change without drone, and the axle-backs are a straightforward bolt-on with no tune required in most cases. DINAN's carbon fibre intake for the B58 is quoted by DINAN as good for a measurable increase in airflow over the factory box, which is the kind of gain you can actually feel in throttle response rather than just hear. [VERIFY: exact DINAN B58 carbon intake part number for current product listing]

On the X5, X6 and X7, the same B58 and S58 engines carry over from the sedans, but the longer intake piping runs and different underbody packaging mean DINAN's SUV-specific intake and exhaust parts are shaped differently to the 3 Series and M3/M4 versions. Don't assume a sedan part interchanges with an X5 or X6, check the listing for the correct chassis code before ordering.

We split our recommendations into street and track picks because the two jobs are different. A street car wants a quieter resonator delete and an intake that improves throttle response without adding cabin drone on the highway. A track car (S58 M cars mostly) wants the axle-back for weight saving and the carbon intake for consistent airflow under sustained load. Both jobs use the same parts catalogue, just different combinations.

Most DINAN intakes and resonator deletes are a straight bolt-on using factory mounting points, so no cutting or permanent modification is needed. That said, always confirm your chassis code (F30 vs G20 for 3 Series, F80 vs G80 for M3, F15 vs G05 for X5) before ordering, since DINAN parts are chassis-specific and not universal fit.

Resonator deletes and axle-backs on turbocharged B58/S58 cars are legal for road use in most states as they don't remove catalytic converters, but always check your local modification rules before fitting. Carbon intake tubes sometimes need a heat shield re-fit or minor bracket adjustment depending on model year, so budget a bit of extra time on the install if you're doing it yourself.

• KORSH cooling upgrades
• Hardrace suspension and chassis parts
• Injector Dynamics fuel injectors

Will a DINAN intake fit my B58 or S58 engine without a tune?
Most DINAN intakes are designed to work with factory ECU mapping, but some carbon intake tubes are paired with a DINAN tune for full benefit. Check the specific product listing for tune requirements.

Are DINAN resonator deletes legal in Australia?
Resonator deletes don't remove catalytic converters, so they're generally treated differently to catless products. Always check your state's specific rules before fitting.

Does DINAN make parts for the X5 and X6, or just the sedans?
Yes, DINAN produces SUV-specific intake and exhaust parts for X5, X6 and X7 that differ in shape and length from the 3 Series and M3/M4 versions. Check the listing for your exact chassis code.

Do I need a tune to run a DINAN axle-back exhaust?
No, axle-back exhausts are a bolt-on with no ECU changes required in most applications.

Do you ship DINAN parts Australia-wide?
Yes, we ship to all states. Contact us if you need help confirming fitment for your exact chassis code before you order.