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JMK-TECH
Cold Air Intake System For BMW M340i M240i G20 G21 G42 B58 3.0L 3.5'' Pipe
JMK-TECH

Cold Air Intake System For BMW M340i M240i G20 G21 G42 B58 3.0L 3.5'' Pipe

Last price we saw

$213.98last seen Oct 29

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Our take on the Cold Air Intake System For BMW M340i M240i G20 G21 G42 B58 3.0L 3.5'' Pipe

This is an aftermarket cold air intake kit from JMK-TECH for BMW B58 3.0L cars: M340i, M240i and M440i across G20, G21 and G42 generations. It uses a 3.5-inch pipe and a black finish, replacing the factory airbox to feed the turbo more air and add intake sound. No price or price history is available for this listing, so there is no recent range to compare against.

Best forB58 owners who want more turbo and intake soundDIY installers comfortable with engine-bay workDrivers chasing modest power gains with a tune
Show-car builds wanting a black engine bay look
Pros
  • 3.5-inch pipe flows more than the stock airbox
  • Fits the common B58 models: M340i, M240i, M440i
  • Black finish keeps the engine bay looking stock
  • Simple bolt-on kit, no engine internals touched
  • Adds noticeable intake and turbo sound
Cons
  • Universal fitment claim means fit can vary by chassis
  • No tune means small real-world power gain
  • Oil-based filters need cleaning and careful re-oiling
  • Intake noise can drone on long highway drives
  • No price or stock data to judge value

Cold Air Intake System For BMW M340i M240i G20 G21 G42 B58 3.0L 3.5'' Pipe price history

Lowest price we've seen: $213.98 on Oct 29. Tracked across 1 store since Oct 29.

Specifications

Automotive specialty part type
1Source
Vehicle fitment type
UniversalSource
Vehicle make
BMWSource
Vehicle model
M340i, M240i, M440iSource
Brand
JMK-TECHSource
Color
BlackSource
Items included
Cold Air Intake System KitSource
Vehicle type
Motor VehicleSource
Model
M340iSource
Count per pack
1Source

Questions and answers

Is it worth it on a stock M340i?
For sound, yes; for power, the gain is small without a tune. Most B58 owners buy an intake for turbo noise and induction sound first.
Will it fit my G20 M340i?
The listing covers G20, G21 and G42 B58 cars, but it also says universal fitment. Confirm the pipe and filter clear your specific chassis and engine cover before ordering.
Does it need a tune?
No. It bolts on and the car runs on the stock map. A tune or downpipe is what turns the extra airflow into measurable power.
How loud is it?
Expect more turbo spool and a whoosh on throttle, loudest under load. It is mild at cruise but noticeable when you get on it.
What is in the box?
The kit is listed as a cold air intake system kit with the pipe and filter. Check the listing for clamps, couplers and hardware before buying.
When is it cheapest?
No price history is available for this listing, so there is no seasonal low to point to. Compare across stores before buying.