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It allows me the luxury of testing both tunes on the same day for the best comparison. I have been told a flash will run about $500 which is not much less than the re-manufactured ECU.

Was wondering if anyone had experience/opinions on re-manufactured ECUs. I am getting the Stage 3 Dinan ECU tune and also wanted to get the MHP tune. I could then dyno the ECUs individually on the...

Looking at coilovers to upgrade my suspension on 2006 550i. Primarily looking at Bilstein PSS10 vs. KW V2. Any feedback/suggestions? Have read about some KW issues. Dinan has Koni but they are not...

Great! Thanks for your input. I went to your site but did not see any products for the 550i. CAI seem limited for the 550i, only the aFe and Dinan with people saying the aFe looses power. Live in TN...

I agree the total synergy of the system is critical. Through all my searching I have not noted anyone who has the Dinan setup having anything but great things to say. I am looking at the Dinan S1...

Hi Greg thanks for the input. I thought this would be the case. Sounds like a weekend project coming up.

Hi Matt. Thanks for the input. I recently purchased this with about 70,000 miles. The previous owner kept it looking new. So I moved up from my 530i. Runs great. Has the usual rough start up and...

Any thoughts on the Supersprint exhaust?

I have only seen the rear section exhausts. will look closer at their sights. I know Beast power carries both but am unable to get any reply from them after multiple attempts. Thanks again.

It's great to have your input on. this forum! I have a white and a black BMW that I had the dealer put the ResistAll sealant on ($$ but has 5 year warranty). Unfortunately they did not prep them...

Thanks . I figured that Powerchip did not present themselves favorably, glad I read the threads here! Will try to get some pictures this weekend. Is there a performance difference between the RPI and...

Thanks for the thoughts. Some people have said a chip will hurt the engine but I find that hard to believe otherwise they would be out of business. I was initially interested in the Powerchip or ESS...

First of all it is great to be part of this forum! I have a 2006 550i with steptronic and want to get the most out of the V-8. The forum is so full of information and different opinions that iy is...

Thanks! I will do that. So many choices and differing opinions can get confusing. Look forward to everyones help.

Thanks for the reception. I have a 2006 550i and love it! Nothing compares to a BMW. This is a great forum especially as I look towards doing some mods. Great info on the chips, interesting...