B58 True 4.5" Catless Downpipe bmw-m235i-2015 2018 BMW 430i xDrive Gran

2018 BMW 430i xDrive Gran Coupe Spark Plug

and sends it to Engine Computer (DME)

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340i GT xDrive 2019-2017

Injector brand: Genuine Bosch Motorsports

B58 True 4.5" Catless Downpipe bmw-m235i-2015 2018 BMW 430i xDrive GranFits all Gen 1 and Gen2 B58s (and supra) Introducing the BimmerNetwork B58 High Flow Catless downpipe. This is a TRUE 4. 5inch all the way until the exhaust meets the dp. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the addition of a larger diameter flex joint, this is a real high flowing downpipe that will reduce backpressure and relieve stress off the