F10 535i Tuning help?

TMack · 09-01-2013, 01:13 PM

I'm about to pull the trigger on either a 2011 or 2012 F10 535i but am struggling to understand the ECU tuning options. I'll say that my test drives of un-tuned F10 535i's have been a bit underwhelming - especially compared to my Cobb-tuned E60 535i - so I want to clarify my options and expectations before pulling the trigger. (I'm particularly concerned about the brutal throttle response I've experienced on test drives.)

I see that BMS has a JB4 tune for the F10 but I'm not finding much reliable data (dynos?) on how it performs. And Cobb is no currently offering a tune for these cars. I realized that most of the tuning focus is on 3-series cars, but I need to be sure I can crank up the performance from stock if I'm going to live with this car for the next 3+ years.

Can anyone give me some advice about the tuning options available and the real-world performance expectations compared to stock?

Tuesday · 09-01-2013, 03:08 PM

I used to have a F10 535i with the BMS tune, it was definitely a good bump in power - but since I also own a tuned E92 with the N54, it was really sad in comparison. Consider getting a used 550i instead.

Klecha man · 09-04-2013, 11:15 AM

look into RaceChip... see my thread on them. I tried JB4 Stage 2 and I was not impressed. You do feel a bit of a bump but not what I expected.

09-01-2013, 01:13 PM	#1
TMack Road Warrior 66 Rep 152 Posts Drives: '18 540i M-Sport Join Date: Jul 2008 Location: Kansas City iTrader: (0)	F10 535i Tuning help? I'm about to pull the trigger on either a 2011 or 2012 F10 535i but am struggling to understand the ECU tuning options. I'll say that my test drives of un-tuned F10 535i's have been a bit underwhelming - especially compared to my Cobb-tuned E60 535i - so I want to clarify my options and expectations before pulling the trigger. (I'm particularly concerned about the brutal throttle response I've experienced on test drives.) I see that BMS has a JB4 tune for the F10 but I'm not finding much reliable data (dynos?) on how it performs. And Cobb is no currently offering a tune for these cars. I realized that most of the tuning focus is on 3-series cars, but I need to be sure I can crank up the performance from stock if I'm going to live with this car for the next 3+ years. Can anyone give me some advice about the tuning options available and the real-world performance expectations compared to stock? __________________ 2018 540xi M-Sport \| Alpine White Black Nappa * Harman Kardon * 20” 668m Rims * M-Sport Brakes * MSS Fully Adjustable Springs * 20% Ceramic Tint * Gloss Black M Grills * bootmod3*
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09-01-2013, 03:08 PM	#2
Tuesday Frequent Flyer 50 Rep 415 Posts Drives: 535LCI Join Date: Aug 2011 Location: 38°20′35.2″N 109°39′58.5″W iTrader: (7)	I used to have a F10 535i with the BMS tune, it was definitely a good bump in power - but since I also own a tuned E92 with the N54, it was really sad in comparison. Consider getting a used 550i instead.
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09-04-2013, 11:15 AM	#3
Klecha man Second Lieutenant 34 Rep 206 Posts Drives: 2012 535 Join Date: May 2012 Location: United States iTrader: (1)	look into RaceChip... see my thread on them. I tried JB4 Stage 2 and I was not impressed. You do feel a bit of a bump but not what I expected.
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