Apex arc-8 tire pressures

mwilks · 04-20-2019, 02:03 PM

My 2015 335 xdrive came with 400m 18x8 squared setup with 225/45 rft. I just installed a set of squared 18x9 apex arc-8 with Michelin ps4s 245/40 tires. I know the oem tire pressure is 32/38 psi f/r. Is this the same for my new tire set? Planning on calling apex on Monday but since they aren't open on weekends figured someone on the forum might know. Thanks.

chowser51 · 04-20-2019, 02:39 PM

Yes.
I had the 400m as well. My car said 33/41. It came with XL RFTs. My new wheels are 19” with XL nonRFTs and I have them set the same at 33/41. I thought about SL tires but decided to stay with the XL.

04-20-2019, 02:03 PM	#1
mwilks Enlisted Member 11 Rep 33 Posts Drives: 2015 335i xdrive M Sport 6MT Join Date: Aug 2018 Location: Cincinnati, OH iTrader: (2)	Apex arc-8 tire pressures My 2015 335 xdrive came with 400m 18x8 squared setup with 225/45 rft. I just installed a set of squared 18x9 apex arc-8 with Michelin ps4s 245/40 tires. I know the oem tire pressure is 32/38 psi f/r. Is this the same for my new tire set? Planning on calling apex on Monday but since they aren't open on weekends figured someone on the forum might know. Thanks.
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04-20-2019, 02:39 PM	#2
chowser51 Colonel 2025 Rep 2,805 Posts Drives: F33 430 and F39 M35i Join Date: Feb 2009 Location: Cleveland, OH iTrader: (3) Garage List 2018 BMW 430i xDrive [0.00]	Yes. I had the 400m as well. My car said 33/41. It came with XL RFTs. My new wheels are 19” with XL nonRFTs and I have them set the same at 33/41. I thought about SL tires but decided to stay with the XL.
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