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Performance Chips for 550i

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Old 08-11-2009, 09:52 AM
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Hey guys,

I'm thinking about placing a performance chip in my car, but I do not really know too much about them. I was able to find this on the internet http://www.performancechipsdirect.com/BMW/5-Series/ it claims about 50 HP; does anyone know about this product? Is it just for 535's ??? The install instructions seem pretty easy. Also, I've noticed a lot of members have chips and wonder how they worked out for you and which one you purchased. Can you really feel the power increase? Do you remove them before service, etc. I'm sure there are a lot of FAKE\worthless products which I want to avoid. Any help would be great.

I think I posted this in the wrong area before.
Old 08-11-2009, 09:55 AM
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There is no "Chip" that can add 50 HP to the 550i.
Old 08-11-2009, 09:57 AM
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Also, does anyone know where in South Florida I can get a program upgrade, etc and roughly what I would have to pay? Something that isn't detectable by the dealership is better.
Old 08-11-2009, 10:24 AM
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Originally Posted by zen68' post='972366' date='Aug 11 2009, 01:55 PM
There is no "Chip" that can add 50 HP to the 550i.
+1. Those kind of gains from chipping are only available for the 535s as they increase boost on the twin turbos.

For example, if Dinan is to be believed, if you install all of their engine mods for the 550 (Stage 3 ECU reflash, high flow intake system, high flow throttle body), you gain 30 bhp and a mere 14 lbs-ft of torque: http://www.dinancars.com/store/product.php...=522&page=1.

By contrast, the full suite of Dinan engine mods for the 535 (ECU reflash plus free flow exhaust) result in a claimed gain of 84 bhp and 121 lbs-ft of torque: http://www.dinancars.com/store/product.php...=768&page=1
Old 08-11-2009, 11:53 AM
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For $6300 I'll just get some new wheels\tires, upgrade my eyes and save some cash.
Old 08-11-2009, 12:00 PM
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Originally Posted by KREED_550i' post='972516' date='Aug 11 2009, 12:53 PM
For $6300 I'll just get some new wheels\tires, upgrade my eyes and save some cash.

For $6300 I'll just sell my car take that cash and get an M5. Other than that Dinan mods are too pricey to be worth a damn.
Old 08-11-2009, 12:03 PM
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Originally Posted by KREED_550i' post='972516' date='Aug 11 2009, 03:53 PM
For $6300 I'll just get some new wheels\tires, upgrade my eyes and save some cash.
Absolutely. The miniscule claimed power gains from the Dinan mods to the 550 are not worth the money. They are a ripoff.

Of course, that is not the case for the Dinan mods to the 535 which are cheaper and result in massive power gains that make the car faster than a 550.
Old 08-11-2009, 12:04 PM
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Originally Posted by pjinca' post='972524' date='Aug 11 2009, 04:00 PM
For $6300 I'll just sell my car take that cash and get an M5. Other than that Dinan mods are too pricey to be worth a damn.
Well if you want to make a big upgrade but can't yet swing the cash for the M5, you could assume my 550's lease.
Old 08-11-2009, 12:05 PM
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Originally Posted by sdg1871' post='972532' date='Aug 11 2009, 01:04 PM
Well if you want to make a big upgrade but can't yet swing the cash for the M5, you could assume my 550's lease.


Thanks Scott, but I'll wait a little bit and trade in my car for the M - it might not be a new one, but it WILL be MINE!!!!
Old 08-11-2009, 12:08 PM
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Originally Posted by pjinca' post='972535' date='Aug 11 2009, 04:05 PM


Thanks Scott, but I'll wait a little bit and trade in my car for the M - it might not be a new one, but it WILL be MINE!!!!
Can't blame you. My car is a terrific car but it is not a M5.

If I can ever find a member willing to do a straight lease assumption I would do so because I would like to move to the M5.


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