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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old October 29th, 2014, 16:13   #46
LokiWolf
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Quote:
Originally Posted by VeeDubTDI View Post
It should be added to the FAQ thread. We don't need more stickies.

Agreed, but yes anything to get more people the info.
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Old November 6th, 2014, 08:25   #47
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Just wondering if anyone running the 65w bulbs have noticed in discoloration inside the headlight assembly? What I mean by discoloration is like a blue/grey tint on areas inside on the clear plastic? Kinda like that gas on water effect (sheen). Maybe it's just the design and has nothing to do with the extra heat build up inside the housing and maybe it's just the way (angle) I'm looking at it.
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Old November 6th, 2014, 08:34   #48
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Just reread through this whole thread and can't find anyone who installed 65W bulbs in place of 55W bulbs WITHOUT adjusting voltage who noticed any significant difference... Is that correct? I rented a Mustang yesterday and its lights were so much brighter than my stock lights that it made me look this back up. Now that we're back to morning-and-evening-commuting-in-the-dark in Seattle, it's a pressing issue. However, I don't have VCDS, so don't want to shell out for new bulbs if it won't make any difference at all...
I installed them w/o changing my voltage (then again, I couldn't find justification to drop $250 to just make my headlamps a tad bit brighter when they were an improvement out of the box). I also raised the beam a turn or two so it throws the light out better (and spreads it around better too). So now, the driving lights fill in between the front of the car to where the headlamps start shining on the ground. So, bottom line, without changing the voltage, i seen a very noticeable difference.
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Old November 6th, 2014, 11:24   #49
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Thanks TC1. I've got the bulbs on order, and will definitely look into raising the beams this weekend. I've been paying close attention on my commute and they seem WAY too low AND dim. The only other car I've seen that was comparable was a Kia. Often the road ahead of me is in a shadow from the lights of the car behind--no reason the light from the car behind should be brighter than my own headlights. I'm just glad there's a relatively simple and inexpensive way to fix the problem. At some point I'll track down someone with VAGCOM to adjust the voltage too.
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Old November 10th, 2014, 09:05   #50
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Thanks TC1. I've got the bulbs on order, and will definitely look into raising the beams this weekend. I've been paying close attention on my commute and they seem WAY too low AND dim. The only other car I've seen that was comparable was a Kia. Often the road ahead of me is in a shadow from the lights of the car behind--no reason the light from the car behind should be brighter than my own headlights. I'm just glad there's a relatively simple and inexpensive way to fix the problem. At some point I'll track down someone with VAGCOM to adjust the voltage too.

YW.. Just pay attention to how high you raise them. I did the old school method. Just parked the car about 6 ft from the garage door, put some blue frog masking tap on the door right where the top of the beam was. Turned the adjustment screw (thanks vw for making this simple) to where the top of the beam was above the top of the tape (1 inche tape). Then did this for the passenger side. This provides usable light on rainy nights allows for the driving lights to do their job. The ONLY issue you might notice if you raise them too high (I tried higher just to see what worked best), is your HIGH beams will scanning the tree's for racoons. ie, they will be too high. (no pun intended)
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Old November 12th, 2014, 13:31   #51
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Adjusted the headlights up (a lot!) this weekend and I'm amazed at the difference. I'm actually pretty embarrassed that it took me a year of living with "weak" headlights before checking the aim. Took about 30 seconds per headlight to adjust thanks to the super-easy access point. Now I can see worlds better (without blinding other drivers--the top of the beam is still below the rear window of cars I'm following or windshield of oncoming cars). Hopefully this will save somebody else from spending so much time in the dark. Now I'll just hang on to the Osram 65W bulbs until the OEMs die, and still look into adjusting voltage via VAGCOM when I have the chance. Thanks everyone for the great advice.
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Old November 14th, 2014, 00:57   #52
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just a quick bump about the ebay question...Are these bulbs legit? $20+ from one store to $5 each on ebay...
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Old November 14th, 2014, 12:12   #53
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The Candlepower site says to beware the cheap ones on Ebay as they are not legit. That said, Candlepower is competing with the Chinese sellers, so take it with a grain of salt. I bought mine from Candlepower since $80 for a set of 4 (which I hopefully won't have to replace all that often) seems like a reasonable enough price, and headlights are a safety concern. But on the other hand, it looks like the Chinese sellers on Ebay have many satisfied customers...
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Old May 15th, 2015, 18:13   #54
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So I'm thinking of buying these bulbs from CandlePower - http://store.candlepower.com/osraulhiouh7.html

My parents have a 2011 Jetta TDI. Can I just swap the bulbs and not have to touch Vagcom in terms of voltage? I rather not mess with that stuff on my parents car. Will it still work properly and be bright enough?

Thanks
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Old May 16th, 2015, 15:58   #55
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Quote:
Originally Posted by bryanviper View Post
So I'm thinking of buying these bulbs from CandlePower - http://store.candlepower.com/osraulhiouh7.html

My parents have a 2011 Jetta TDI. Can I just swap the bulbs and not have to touch Vagcom in terms of voltage? I rather not mess with that stuff on my parents car. Will it still work properly and be bright enough?

Thanks
I'm probably older than your parents, and I have found just substituting the blub, and not increasing the voltage to it has been very satisfying and a major step up from factory.
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Old May 16th, 2015, 17:03   #56
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Thats good to know. As long the bulbs are the same or better for brightness. & also the reliability is the same or better then they should be happy with the bulbs.

From what I read about them this is exactly what they are?



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I'm probably older than your parents, and I have found just substituting the blub, and not increasing the voltage to it has been very satisfying and a major step up from factory.
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Old June 16th, 2016, 11:16   #57
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Bring this one back to the top.

Great thread! I thinking about jumping on the Osram Rallye H7+ for my 15' Passat. My question is the additional current draw. Going from 1400 to 2100 lumens is great, but if my wiring harness or lamp sockets are trashed in a few years then it won't be so good.
.
watts/volts = amp draw
So would increasing the voltage (with vcds) while upping the wattage (65 watt) reduce the amperage draw?
.
55w/12v=4.6 amp
65w/13v=5.0 amp
.
Any reason to be concerned?
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Old June 16th, 2016, 17:37   #58
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"So would increasing the voltage (with vcds) while upping the wattage (65 watt) reduce the amperage draw?"

No, it would increase it twice.

Increasing the voltage increases the current into a resistive load.

Increasing the rated wattage means it draws more current at the rated voltage.

So a 55w bulb draws 4.6A at 12V.

A 65W bulb draws 5.4A at 12V.

If you increase the voltage to 13V, it draws 5.85A (assuming R remains constant), and power increases to 13*5.85 = 76W.


.

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Old June 16th, 2016, 17:39   #59
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I got really happy, then really freaked out for a second there...

I saw Vw Norm's postings and I thought this was a recent thread and thought the news of him passing was a hoax or maybe just a coincidence.
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Old June 17th, 2016, 12:00   #60
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Quote:
Originally Posted by sohccammer427 View Post
Bring this one back to the top.

Great thread! I thinking about jumping on the Osram Rallye H7+ for my 15' Passat. My question is the additional current draw. Going from 1400 to 2100 lumens is great, but if my wiring harness or lamp sockets are trashed in a few years then it won't be so good.
.
watts/volts = amp draw
So would increasing the voltage (with vcds) while upping the wattage (65 watt) reduce the amperage draw?
.
55w/12v=4.6 amp
65w/13v=5.0 amp
.
Any reason to be concerned?
I've been running them since I purchased my car in 2011 with no problems. Until January I commuted 4 hours each day (2 in the am 2 in the pm) with much of that time in the dark.
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