Brake caliper model differences
10-25-2005, 10:33 AM
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Hi,
First post - be gentle.
I am about to take delivery of a six-month old 535d M Sport Touring. It's being prepared by the BMW dealer. Something I saw when I looked it over is now bugging me. The brake calipers on the 535d were not the same as the calipers on the 520i in the showroom, nor the 530d out front. Do the calipers differ from model to model? The ones in the showroom had fins, the 535d ones were flat.
There was also some surface rust on the brake discs, which I guess is OK and will be taken off pretty quickly by the braking action. But one of the calipers also appeared to be a little rusty. I have just read that the calipers are supposed to be aluminium, and the ones on the showroom car certainly looked to be.
I am worrying over nothing? Or should I get them looked at before I take delivery. The dealership is 150 miles, so returning to take another look is awkward.
Neil
First post - be gentle.
I am about to take delivery of a six-month old 535d M Sport Touring. It's being prepared by the BMW dealer. Something I saw when I looked it over is now bugging me. The brake calipers on the 535d were not the same as the calipers on the 520i in the showroom, nor the 530d out front. Do the calipers differ from model to model? The ones in the showroom had fins, the 535d ones were flat.
There was also some surface rust on the brake discs, which I guess is OK and will be taken off pretty quickly by the braking action. But one of the calipers also appeared to be a little rusty. I have just read that the calipers are supposed to be aluminium, and the ones on the showroom car certainly looked to be.
I am worrying over nothing? Or should I get them looked at before I take delivery. The dealership is 150 miles, so returning to take another look is awkward.
Neil
10-25-2005, 10:50 AM
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Originally Posted by NMatthew' date='Oct 25 2005, 07:33 PM
Hi,
First post - be gentle.
I am about to take delivery of a six-month old 535d M Sport Touring. It's being prepared by the BMW dealer. Something I saw when I looked it over is now bugging me. The brake calipers on the 535d were not the same as the calipers on the 520i in the showroom, nor the 530d out front. Do the calipers differ from model to model? The ones in the showroom had fins, the 535d ones were flat.
There was also some surface rust on the brake discs, which I guess is OK and will be taken off pretty quickly by the braking action. But one of the calipers also appeared to be a little rusty. I have just read that the calipers are supposed to be aluminium, and the ones on the showroom car certainly looked to be.
I am worrying over nothing? Or should I get them looked at before I take delivery. The dealership is 150 miles, so returning to take another look is awkward.
Neil
First post - be gentle.
I am about to take delivery of a six-month old 535d M Sport Touring. It's being prepared by the BMW dealer. Something I saw when I looked it over is now bugging me. The brake calipers on the 535d were not the same as the calipers on the 520i in the showroom, nor the 530d out front. Do the calipers differ from model to model? The ones in the showroom had fins, the 535d ones were flat.
There was also some surface rust on the brake discs, which I guess is OK and will be taken off pretty quickly by the braking action. But one of the calipers also appeared to be a little rusty. I have just read that the calipers are supposed to be aluminium, and the ones on the showroom car certainly looked to be.
I am worrying over nothing? Or should I get them looked at before I take delivery. The dealership is 150 miles, so returning to take another look is awkward.
Neil
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10-25-2005, 11:21 AM
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The E60 and E61 535d actually share the caliper from the E65 750i, and have their own particular discs
As said before its probably a little "rusty water"
As said before its probably a little "rusty water"
10-26-2005, 01:16 AM
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Originally Posted by Merv the Derv' date='Oct 25 2005, 02:24 PM
The brakes on the 535d are fantastic - stop on a sixpence 
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10-26-2005, 10:32 AM
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Thanks for the reassurance guys. I'm looking forward to getting my hands on this car next week. Should be a great drive.
Further investigations on the brakes reveal that the 535d caliper IS made of alloy BUT there is a clip over it that is not. (It looks like a rectangular plate when viewed through the wheel.) This clip can rust on the surface and apparently does in wetter climates (like the UK!). BMW are aware of the problem, but will not fix it as it is not a fault as such, it is an external component exposed to the weather and that's just how it is. A bit shoddy if you ask me. My dealer has, however, agreed to fit new ones before delivery so at least it will look its best for a while. Question is, is there any way to protect them from rusting again - apart from moving somewhere dry! Hammerite?
Neil
Further investigations on the brakes reveal that the 535d caliper IS made of alloy BUT there is a clip over it that is not. (It looks like a rectangular plate when viewed through the wheel.) This clip can rust on the surface and apparently does in wetter climates (like the UK!). BMW are aware of the problem, but will not fix it as it is not a fault as such, it is an external component exposed to the weather and that's just how it is. A bit shoddy if you ask me. My dealer has, however, agreed to fit new ones before delivery so at least it will look its best for a while. Question is, is there any way to protect them from rusting again - apart from moving somewhere dry! Hammerite?
Neil
10-26-2005, 12:01 PM
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Originally Posted by NMatthew' date='Oct 26 2005, 01:32 PM
Thanks for the reassurance guys. I'm looking forward to getting my hands on this car next week. Should be a great drive.
Further investigations on the brakes reveal that the 535d caliper IS made of alloy BUT there is a clip over it that is not. (It looks like a rectangular plate when viewed through the wheel.) This clip can rust on the surface and apparently does in wetter climates (like the UK!). BMW are aware of the problem, but will not fix it as it is not a fault as such, it is an external component exposed to the weather and that's just how it is. A bit shoddy if you ask me. My dealer has, however, agreed to fit new ones before delivery so at least it will look its best for a while. Question is, is there any way to protect them from rusting again - apart from moving somewhere dry! Hammerite?
Neil
Further investigations on the brakes reveal that the 535d caliper IS made of alloy BUT there is a clip over it that is not. (It looks like a rectangular plate when viewed through the wheel.) This clip can rust on the surface and apparently does in wetter climates (like the UK!). BMW are aware of the problem, but will not fix it as it is not a fault as such, it is an external component exposed to the weather and that's just how it is. A bit shoddy if you ask me. My dealer has, however, agreed to fit new ones before delivery so at least it will look its best for a while. Question is, is there any way to protect them from rusting again - apart from moving somewhere dry! Hammerite?
Neil
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10-26-2005, 12:07 PM
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i noticed a squeek on my car upon breaking at a faster speed... now is this normal, or should i get my breaks checked.. eric d
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