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      10-03-2021, 09:59 PM   #2
dradernh
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Drives: 2017 M240i
Join Date: Aug 2013
Location: SW Ohio

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Quote:
Originally Posted by 3.0L View Post
With my new set of Michelin Super Sports, I decided to break from tradition and run the fronts at 35 PSI while keeping rear tires at the factory placarded 38 PSI.

Just wondering what other experiences might be when it comes to trying different tire pressures.
Until recently, I ran 35F/39R as recommended on the car's door sticker for the original staggered PSS'.

I'm now running 35 psi all around on PS4S', and the car feels more of a piece. However, I have a bunch of modifications, too, including the same size tires front and rear.

If I was taking an interstate road trip, I'd probably raise them to 38 psi and see what it did for the car's mileage.

My thinking is that it doesn't hurt to experiment if you're able to sense how the tires are responding to the pressures you're setting them to. That's not hard to do if you've got some place where you can lean on the car and see how it responds in both the front and the rear.
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2017 M240i: 23.8K, 28.9 mpg, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
TC Kline Coilovers; H&R Front Bar; Wavetrac; Al Subframe Bushings; 18X9/9½ ARC-8s; 255/35-18 PS4S (4); Dinan Elite V2 & CAI; MPerf Orange BBK; Schroth Quick Fit Pro;
GTechniq Crystal Serum Ultra Ceramic; Suntek PPF
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